diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5a86f2eb1729d784135f5499da6dcc7ba66af776..89916b0959ed482f0c9dcdfd767945d43643f21b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -106,7 +106,7 @@ mace_cc_test:
         GIT_SSH_COMMAND="ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no" git clone git@v9.git.n.xiaomi.com:deep-computing/generic-mobile-devices.git
         DEVICE_CONF_FILE=generic-mobile-devices/devices.yml
       fi
-    - python tools/bazel_adb_run.py --target="//test/ccunit:mace_cc_test" --device_yml=${DEVICE_CONF_FILE} --run_target=True --stdout_processor=unittest_stdout_processor --target_abis=armeabi-v7a,arm64-v8a,arm64 --target_socs=$TARGET_SOCS
+    - python tools/bazel_adb_run.py --target="//test/ccunit:mace_cc_test" --device_yml=${DEVICE_CONF_FILE} --run_target=True --stdout_processor=unittest_stdout_processor --target_abis=armeabi-v7a,arm64-v8a --target_socs=$TARGET_SOCS
     - python tools/bazel_adb_run.py --target="//micro/test/ccunit:micro_ops_test" --run_target=True --stdout_processor=ops_benchmark_stdout_processor --target_abis=arm64-v8a
 
 mace_cc_benchmark:
@@ -133,7 +133,7 @@ model_tests:
       fi
     - if [ -z "$TARGET_SOCS" ]; then TARGET_SOCS=random; fi
     - python tools/converter.py convert --config=${CONF_FILE}  --target_socs=$TARGET_SOCS --model_graph_format=file --model_data_format=file --cl_mem_type=buffer
-    - python tools/converter.py run --config=${CONF_FILE} --target_socs=$TARGET_SOCS --device_yml=${DEVICE_CONF_FILE} --round=1 --target_abis=armeabi-v7a,arm64 --validate --model_graph_format=file --model_data_format=file
+    - python tools/converter.py run --config=${CONF_FILE} --target_socs=$TARGET_SOCS --device_yml=${DEVICE_CONF_FILE} --round=1 --target_abis=armeabi-v7a --validate --model_graph_format=file --model_data_format=file
     - CONF_FILE=mace-models/mobilenet-v2/mobilenet-v2-host.yml
     - python tools/converter.py convert --config=${CONF_FILE} --target_socs=$TARGET_SOCS --model_graph_format=file --model_data_format=file
     - python tools/converter.py run --config=${CONF_FILE} --target_socs=$TARGET_SOCS --round=1 --validate --model_graph_format=file --model_data_format=file --address_sanitizer
diff --git a/mace/core/net_def_adapter.cc b/mace/core/net_def_adapter.cc
index 8b2fc40281fe7942401ea775f03da129ce8551e6..079986798de722bf7f7440fa8307b6a28814a44e 100644
--- a/mace/core/net_def_adapter.cc
+++ b/mace/core/net_def_adapter.cc
@@ -15,6 +15,8 @@
 #include "mace/core/net_def_adapter.h"
 
 #include <string>
+#include <unordered_map>
+#include <utility>
 #include <vector>
 
 #include "mace/core/ops/operator.h"
@@ -27,6 +29,40 @@
 namespace mace {
 
 namespace {
+
+struct FilterRulerInfo {
+  const int filter_idx;
+  const std::vector<int> nhwc_oihw;
+  const std::vector<int> nchw_oihw;
+  FilterRulerInfo(int filter_index, const std::vector<int> nhwc2oihw,
+                  const std::vector<int> nchw2oihw)
+      : filter_idx(filter_index),
+        nhwc_oihw(std::move(nhwc2oihw)), nchw_oihw(std::move(nchw2oihw)) {}
+};
+
+typedef std::unordered_map<
+    std::string, std::unique_ptr<FilterRulerInfo>> FilterTransposeRuler;
+
+FilterTransposeRuler GetFilterTransposeRuler() {
+  FilterTransposeRuler filter_ruler;
+  // filter's src format is actually HWIO in tf, OIHW in others
+  // for Conv2D in MACE, the dst format is OIHW
+  filter_ruler.emplace("Conv2D", make_unique<FilterRulerInfo>(
+      1, std::vector<int>({3, 2, 0, 1}), std::vector<int>({})));
+
+  // filter's src format is actually HWOI in tf, MIHW in others
+  filter_ruler.emplace("Deconv2D", make_unique<FilterRulerInfo>(
+      1, std::vector<int>({2, 3, 0, 1}), std::vector<int>({})));
+
+  filter_ruler.emplace("DepthwiseConv2d", make_unique<FilterRulerInfo>(
+      1, std::vector<int>({3, 2, 0, 1}), std::vector<int>({})));
+
+  filter_ruler.emplace("DepthwiseDeconv2d", make_unique<FilterRulerInfo>(
+      1, std::vector<int>({2, 3, 0, 1}), std::vector<int>({})));
+
+  return filter_ruler;
+}
+
 DataFormat GetDefaultDataFormat(DeviceType device_type,
                                 bool is_quantized_model) {
   if (device_type == CPU) {
@@ -323,7 +359,7 @@ MaceStatus NetDefAdapter::AdaptDevice(OpConditionContext *context,
   VLOG(3) << "Adapt device for op " << op_def->name();
   DeviceType target_device_type = target_device->device_type();
   DeviceType device_type = DeviceType::CPU;
-  context->set_device(cpu_device);
+  context->set_device(target_device);
   if (target_device_type != DeviceType::CPU) {
     std::vector<DeviceType> producer_devices;
     for (auto input : op_def->input()) {
@@ -344,9 +380,8 @@ MaceStatus NetDefAdapter::AdaptDevice(OpConditionContext *context,
                                                   target_device_type,
                                                   available_devices,
                                                   producer_devices);
-    if (device_type == target_device_type) {
-      context->set_device(target_device);
-    } else {
+    if (device_type != target_device_type) {
+      context->set_device(cpu_device);
       LOG(INFO) << "Op " << op_def->name() << "(" << op_def->type() << ")"
                 << " fall back to CPU";
     }
@@ -411,7 +446,7 @@ MaceStatus NetDefAdapter::AdaptDataFormat(
     target_mem_type = MemoryType::GPU_BUFFER;
   }
   auto inputs_data_format = op_registry_->InputsDataFormat(op_def->type(),
-      context);
+                                                           context);
   DataFormat src_df, dst_df;
   int input_size = op_def->input_size();
   for (int i = 0; i < input_size; ++i) {
@@ -425,71 +460,13 @@ MaceStatus NetDefAdapter::AdaptDataFormat(
     }
     src_df = output_map->at(op_def->input(i)).data_format;
     dst_df = inputs_data_format[i];
-    if (src_df != DataFormat::NONE
-        && dst_df != DataFormat::NONE
-        && output_map->at(op_def->input(i)).shape.size() == 4
-        && src_df != dst_df) {
-      std::string transformed_name = TransformedName(op_def->input(i),
-          "data_format", static_cast<int>(dst_df));
-      if (transformed_set->count(transformed_name) == 0) {
-        VLOG(1) << "Add Transpose operation " << op_def->name()
-                << " to transpose tensor "
-                << op_def->input(i) << "', from data format "
-                << static_cast<int>(src_df) << " to "
-                << static_cast<int>(dst_df);
-        // Only support transpose between NHWC and NCHW for now.
-        std::vector<int> dst_dims;
-        if (src_df == DataFormat::NCHW && dst_df == DataFormat::NHWC) {
-          dst_dims = {0, 2, 3, 1};
-        } else if (src_df == DataFormat::NHWC && dst_df == DataFormat::NCHW) {
-          dst_dims = {0, 3, 1, 2};
-        } else {
-          LOG(FATAL) << "Encounter unsupported data format transpose from "
-                     << static_cast<int>(src_df) << " to "
-                     << static_cast<int>(dst_df);
-        }
-        auto &input_info = output_map->at(op_def->input(i));
-        auto output_shape = input_info.shape.empty() ?
-                            std::vector<index_t>() :
-                            TransposeShape<index_t, index_t>(input_info.shape,
-                                                             dst_dims);
-        OperatorDef *transpose_op_def = target_net_def->add_op();
-        BuildTransposeOpDef(
-            op_def->input(i),
-            transformed_name,
-            output_shape,
-            dst_dims,
-            input_info.dtype,
-            DeviceType::CPU,
-            transpose_op_def);
-        // set data format arg
-        SetProtoArg<int>(transpose_op_def,
-                         "data_format",
-                         static_cast<int>(dst_df));
-        // set output memory type argument
-        SetProtoArg<int>(transpose_op_def,
-                         OutputMemoryTypeTagName(),
-                         target_mem_type);
-        // update tensor consumer information
-        output_map->at(op_def->input(i)).consumer_op_indices.push_back(
-            target_net_def->op_size() - 1);
 
-        // update output information map
-        output_map->emplace(
-            transformed_name,
-            InternalOutputInfo(
-                target_mem_type,
-                input_info.dtype,
-                dst_df,
-                output_shape,
-                target_net_def->op_size() - 1));
-        // update tensor shape map
-        tensor_shape_map->emplace(transformed_name, output_shape);
-        // record transformed tensors
-        transformed_set->insert(transformed_name);
-      }
-      // update original op_def's input
-      op_def->set_input(i, transformed_name);
+    const std::vector<int> dst_dims =
+        GetDstDimsFromTransposeRuler(output_map, op_def, i, src_df, dst_df);
+    if (dst_dims.size() > 0) {
+      AddTranposeOpForDataFormat(output_map, tensor_shape_map, transformed_set,
+                                 target_net_def, target_mem_type,
+                                 op_def, i, dst_df, dst_dims);
     }
   }
   return MaceStatus::MACE_SUCCESS;
@@ -590,6 +567,86 @@ MaceStatus NetDefAdapter::AdaptMemoryType(
   return MaceStatus::MACE_SUCCESS;
 }
 
+std::vector<int> NetDefAdapter::GetDstDimsFromTransposeRuler(
+    TensorInfoMap *output_map, const OperatorDef *op_def, const int input_idx,
+    const DataFormat src_df, const DataFormat dst_df) {
+  std::vector<int> dst_dims;
+  if (src_df == DataFormat::NONE || dst_df == DataFormat::NONE
+      || output_map->at(op_def->input(input_idx)).shape.size() != 4) {
+    return dst_dims;
+  }
+
+  if (src_df != dst_df) {  // for other operators
+    bool transposable = false;
+    if (src_df == DataFormat::NCHW && dst_df == DataFormat::NHWC) {
+      dst_dims = {0, 2, 3, 1};
+      transposable = true;
+    } else if (src_df == DataFormat::NHWC && dst_df == DataFormat::NCHW) {
+      dst_dims = {0, 3, 1, 2};
+      transposable = true;
+    } else if (dst_df == DataFormat::OIHW) {
+      static const auto filter_transpose_ruler = GetFilterTransposeRuler();
+      auto &op_type = op_def->type();
+      MACE_CHECK((filter_transpose_ruler.count(op_type) > 0) &&
+          filter_transpose_ruler.at(op_type)->filter_idx == input_idx);
+      if (src_df == DataFormat::NCHW) {
+        dst_dims = filter_transpose_ruler.at(op_type)->nchw_oihw;
+        transposable = true;
+      } else if (src_df == DataFormat::NHWC) {
+        dst_dims = filter_transpose_ruler.at(op_type)->nhwc_oihw;
+        transposable = true;
+      }
+    }
+    if (!transposable) {
+      LOG(FATAL) << "Encounter unsupported data format transpose from "
+                 << static_cast<int>(src_df) << " to "
+                 << static_cast<int>(dst_df);
+    }
+  }
+
+  return dst_dims;
+}
+
+MaceStatus NetDefAdapter::AddTranposeOpForDataFormat(
+    TensorInfoMap *output_map, TensorShapeMap *tensor_shape_map,
+    std::unordered_set<std::string> *transformed_set, NetDef *target_net_def,
+    MemoryType target_mem_type, OperatorDef *op_def, const int i,
+    const DataFormat dst_df, const std::vector<int> &dst_dims) {
+  std::string transformed_name = TransformedName(
+      op_def->input(i), "data_format", MakeString(dst_dims));
+  if (transformed_set->count(transformed_name) == 0) {
+    auto &input_info = output_map->at(op_def->input(i));
+    auto output_shape = input_info.shape.empty() ?
+                        std::vector<index_t>() :
+                        TransposeShape<index_t, index_t>(input_info.shape,
+                                                         dst_dims);
+    OperatorDef *transpose_op_def = target_net_def->add_op();
+    BuildTransposeOpDef(op_def->input(i), transformed_name, output_shape,
+                        dst_dims, input_info.dtype, DeviceType::CPU,
+                        transpose_op_def);
+    // set data format arg
+    SetProtoArg<int>(transpose_op_def, "data_format", static_cast<int>(dst_df));
+    // set output memory type argument
+    SetProtoArg<int>(transpose_op_def,
+                     OutputMemoryTypeTagName(), target_mem_type);
+    // update tensor consumer information
+    output_map->at(op_def->input(i)).consumer_op_indices.push_back(
+        target_net_def->op_size() - 1);
+
+    // update output information map
+    output_map->emplace(transformed_name, InternalOutputInfo(
+        target_mem_type, input_info.dtype, dst_df, output_shape,
+        target_net_def->op_size() - 1));
+    // update tensor shape map
+    tensor_shape_map->emplace(transformed_name, output_shape);
+    // record transformed tensors
+    transformed_set->insert(transformed_name);
+  }
+  // update original op_def's input
+  op_def->set_input(i, transformed_name);
+  return MaceStatus::MACE_SUCCESS;
+}
+
 std::string NetDefAdapter::DebugString(const NetDef *net_def) {
   std::stringstream sstream;
   auto DeviceTypeToStrFunc = [](DeviceType device_type) -> std::string {
@@ -630,9 +687,9 @@ std::string NetDefAdapter::DebugString(const NetDef *net_def) {
   for (auto &op : net_def->op()) {
     std::string device_type = DeviceTypeToStrFunc(
         static_cast<DeviceType>(op.device_type()));
-    std::string data_type = DataTypeToString(static_cast<DataType>(
-        ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
-            op, "T", static_cast<int>(DT_FLOAT))));
+    auto dt = ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
+        op, "T", static_cast<int>(DT_FLOAT));
+    std::string data_type = DataTypeToString(static_cast<DataType>(dt));
     std::string mem_type = MemoryTypeToStrFunc(
         static_cast<MemoryType>(
             ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
@@ -645,10 +702,10 @@ std::string NetDefAdapter::DebugString(const NetDef *net_def) {
 
     sstream << std::endl;
     sstream << "{" << std::endl;
-    sstream << "  name: "        << op.name() << std::endl;
-    sstream << "  type: "        << op.type() << std::endl;
-    sstream << "  device: "      << device_type << std::endl;
-    sstream << "  data type: "   << data_type << std::endl;
+    sstream << "  name: " << op.name() << std::endl;
+    sstream << "  type: " << op.type() << std::endl;
+    sstream << "  device: " << device_type << std::endl;
+    sstream << "  data type: " << data_type << std::endl;
     sstream << "  data format: " << data_format << std::endl;
     sstream << "  memory type: " << mem_type << std::endl;
     sstream << "  inputs: [";
diff --git a/mace/core/net_def_adapter.h b/mace/core/net_def_adapter.h
index b285a4a5d913db3051e02fd93f8a50826e176d17..e1da6c22b6577b276bfc7458a340e0d87d4e1e8a 100644
--- a/mace/core/net_def_adapter.h
+++ b/mace/core/net_def_adapter.h
@@ -34,7 +34,6 @@ class OperatorDef;
 class OpRegistry;
 class Workspace;
 
-
 ///////////////////////////////////////////////////////////////////////////////
 ///                               Conventions
 ///
@@ -68,8 +67,8 @@ class NetDefAdapter {
       NetDef *target_net_def);
 
  public:
-  NetDefAdapter(const NetDefAdapter&) = delete;
-  NetDefAdapter(const NetDefAdapter&&) = delete;
+  NetDefAdapter(const NetDefAdapter &) = delete;
+  NetDefAdapter(const NetDefAdapter &&) = delete;
   NetDefAdapter &operator=(const NetDefAdapter &) = delete;
   NetDefAdapter &operator=(const NetDefAdapter &&) = delete;
 
@@ -122,6 +121,15 @@ class NetDefAdapter {
       MemoryType *op_output_mem_types,
       NetDef *target_net_def);
 
+  std::vector<int> GetDstDimsFromTransposeRuler(
+      TensorInfoMap *output_map, const OperatorDef *op_def, const int input_idx,
+      const DataFormat src_df, const DataFormat dst_df);
+  MaceStatus AddTranposeOpForDataFormat(
+      TensorInfoMap *output_map, TensorShapeMap *tensor_shape_map,
+      std::unordered_set<std::string> *transformed_set, NetDef *target_net_def,
+      MemoryType target_mem_type, OperatorDef *op_def, const int i,
+      const DataFormat dst_df, const std::vector<int> &dst_dims);
+
   std::string DebugString(const NetDef *net_def);
 
  private:
diff --git a/mace/ops/common/conv_pool_2d_util.cc b/mace/ops/common/conv_pool_2d_util.cc
index d679e9ef5f4bc6512f05f0e8445714b6793cc064..86159293c308972b381ab3ca97780cce4bd6d9f3 100644
--- a/mace/ops/common/conv_pool_2d_util.cc
+++ b/mace/ops/common/conv_pool_2d_util.cc
@@ -18,6 +18,9 @@
 #include <cmath>
 #include <vector>
 
+#include "mace/core/ops/op_condition_builder.h"
+#include "mace/core/registry/ops_registry.h"
+
 namespace mace {
 namespace ops {
 
@@ -435,5 +438,37 @@ void CalDeconvOutputShapeAndPadSize(const std::vector<index_t> &input_shape,
   }
 }
 
+#ifdef MACE_ENABLE_OPENCL
+void SetFilterMemoryType(OpConditionContext *context,
+                         OpenCLBufferType buffer_type) {
+  MemoryType mem_type = MemoryType::CPU_BUFFER;
+  if (context->device()->device_type() == DeviceType::GPU) {
+    if (context->device()->gpu_runtime()->UseImageMemory()) {
+      mem_type = MemoryType::GPU_IMAGE;
+    } else {
+      mem_type = MemoryType::GPU_BUFFER;
+    }
+    auto filter_tensor = context->workspace()->GetTensor(
+        context->operator_def()->input(1));
+    if (filter_tensor == nullptr || !filter_tensor->is_weight()) {
+      context->SetInputOpenCLBufferType(1, buffer_type);
+    }
+  }
+  context->set_output_mem_type(mem_type);
+}
+#endif  // MACE_ENABLE_OPENCL
+
+void RegisterFilterDataFormat(OpRegistry *op_registry, const char *op_name) {
+  auto builder = OpConditionBuilder(op_name).SetInputsDataFormatSelector(
+      [](OpConditionContext *context) -> std::vector<DataFormat> {
+        DataFormat op_data_format = static_cast<DataFormat>(
+            ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
+                *context->operator_def(), "data_format",
+                static_cast<int>(DataFormat::NONE)));
+        return {op_data_format, DataFormat::OIHW, DataFormat::NONE};
+      });
+  MACE_REGISTER_OP_CONDITION(op_registry, builder);
+}
+
 }  // namespace ops
 }  // namespace mace
diff --git a/mace/ops/common/conv_pool_2d_util.h b/mace/ops/common/conv_pool_2d_util.h
index 389575d76a78b7154887865f203ee8c29f059a4d..e3ab122378237310434836de68521289ff94266e 100644
--- a/mace/ops/common/conv_pool_2d_util.h
+++ b/mace/ops/common/conv_pool_2d_util.h
@@ -16,6 +16,10 @@
 #define MACE_OPS_COMMON_CONV_POOL_2D_UTIL_H_
 
 #include <vector>
+
+#ifdef MACE_ENABLE_OPENCL
+#include "mace/core/runtime/opencl/opencl_util.h"
+#endif  // MACE_ENABLE_OPENCL
 #include "mace/core/tensor.h"
 
 namespace mace {
@@ -31,6 +35,9 @@ enum RoundType {
   CEIL = 1,
 };
 
+class OpConditionContext;
+class OpRegistry;
+
 namespace ops {
 
 void CalcPaddingAndOutputSize(const index_t *input_shape,
@@ -98,6 +105,13 @@ void CalDeconvOutputShapeAndPadSize(const std::vector<index_t> &input_shape,
                                     FrameworkType framework_type,
                                     DataFormat data_format);
 
+#ifdef MACE_ENABLE_OPENCL
+void SetFilterMemoryType(OpConditionContext *context,
+                         OpenCLBufferType buffer_type);
+#endif  // MACE_ENABLE_OPENCL
+
+void RegisterFilterDataFormat(OpRegistry *op_registry, const char *op_name);
+
 }  // namespace ops
 }  // namespace mace
 
diff --git a/mace/ops/conv_2d.cc b/mace/ops/conv_2d.cc
index d40770ea40475810bfdd2c5bb8450d4101c0ad08..03b098c65400331d3d57ec6402186e27e01825f5 100644
--- a/mace/ops/conv_2d.cc
+++ b/mace/ops/conv_2d.cc
@@ -445,33 +445,41 @@ class Conv2dOp<DeviceType::GPU, float> : public ConvPool2dOpBase {
       kernel_ = make_unique<opencl::buffer::Conv2dKernel>();
     }
     // Transform filter tensor to target format
-    if ((wino_block_size_ == 2 || wino_block_size_ == 4) &&
-        (kernel_->CheckUseWinograd(
-          context->device()->gpu_runtime()->opencl_runtime(),
-          context->workspace()->GetTensor(
-              operator_def_->input(1))->shape(),
-          std::vector<index_t>(operator_def_->output_shape(0).dims().begin(),
-                               operator_def_->output_shape(0).dims().end()),
-          strides_.data(),
-          dilations_.data(),
-          &wino_block_size_))) {
-      MACE_CHECK(TransformFilter(
-          context, operator_def_.get(), 1,
-          OpenCLBufferType::WINOGRAD_FILTER, mem_type, wino_block_size_)
-                     == MaceStatus::MACE_SUCCESS);
+    auto *filter_tensor =
+        context->workspace()->GetTensor(operator_def_->input(FILTER));
+    if (filter_tensor != nullptr && filter_tensor->is_weight()) {
+      if ((wino_block_size_ == 2 || wino_block_size_ == 4) &&
+          (kernel_->CheckUseWinograd(
+            context->device()->gpu_runtime()->opencl_runtime(),
+            filter_tensor->shape(),
+            std::vector<index_t>(operator_def_->output_shape(0).dims().begin(),
+                                 operator_def_->output_shape(0).dims().end()),
+            strides_.data(),
+            dilations_.data(),
+            &wino_block_size_))) {
+        MACE_CHECK(TransformFilter(
+            context, operator_def_.get(), 1,
+            OpenCLBufferType::WINOGRAD_FILTER, mem_type, wino_block_size_)
+                       == MaceStatus::MACE_SUCCESS);
+      } else {
+        wino_block_size_ = 0;
+        MACE_CHECK(TransformFilter(
+            context, operator_def_.get(), 1,
+            OpenCLBufferType::CONV2D_FILTER, mem_type)
+                       == MaceStatus::MACE_SUCCESS);
+      }
     } else {
+      // we don't know whether the kernal support winograd, so disable it.
       wino_block_size_ = 0;
-      MACE_CHECK(TransformFilter(
-          context, operator_def_.get(), 1,
-          OpenCLBufferType::CONV2D_FILTER, mem_type)
-                     == MaceStatus::MACE_SUCCESS);
     }
+
     if (operator_def_->input_size() > 2) {
-      MACE_CHECK(TransformFilter(
-          context, operator_def_.get(), 2, OpenCLBufferType::ARGUMENT, mem_type)
-                     == MaceStatus::MACE_SUCCESS);
+      auto ret = TransformFilter(context, operator_def_.get(), 2,
+                                 OpenCLBufferType::ARGUMENT, mem_type);
+      MACE_CHECK(ret == MaceStatus::MACE_SUCCESS);
     }
   }
+
   MaceStatus Run(OpContext *context) override {
     const Tensor *input = this->Input(INPUT);
     const Tensor *filter = this->Input(FILTER);
@@ -506,6 +514,17 @@ void RegisterConv2D(OpRegistry *op_registry) {
 #endif  // MACE_ENABLE_QUANTIZE
 
   MACE_REGISTER_GPU_OP(op_registry, "Conv2D", Conv2dOp);
+
+#ifdef MACE_ENABLE_OPENCL
+  MACE_REGISTER_OP_CONDITION(
+      op_registry,
+      OpConditionBuilder("Conv2D").SetInputMemoryTypeSetter(
+          [](OpConditionContext *context) -> void {
+            SetFilterMemoryType(context, OpenCLBufferType::CONV2D_FILTER);
+          }));
+#endif  // MACE_ENABLE_OPENCL
+
+  RegisterFilterDataFormat(op_registry, "Conv2D");
 }
 
 }  // namespace ops
diff --git a/mace/ops/deconv_2d.cc b/mace/ops/deconv_2d.cc
index a15395d2fc9c55009d650cb314d2e30abf3ced6c..4e0a60475ba9a52b06acef53224743c40f8ce0ee 100644
--- a/mace/ops/deconv_2d.cc
+++ b/mace/ops/deconv_2d.cc
@@ -154,10 +154,14 @@ class Deconv2dOp<DeviceType::GPU, float> : public Deconv2dOpBase {
     } else {
       MACE_NOT_IMPLEMENTED;
     }
-    MACE_CHECK(TransformFilter(
-        context, operator_def_.get(), 1,
-        OpenCLBufferType::CONV2D_FILTER, mem_type)
-                   == MaceStatus::MACE_SUCCESS);
+    auto *filter_tensor =
+        context->workspace()->GetTensor(operator_def_->input(1));
+    if (filter_tensor != nullptr && filter_tensor->is_weight()) {
+      MACE_CHECK(TransformFilter(
+          context, operator_def_.get(), 1,
+          OpenCLBufferType::CONV2D_FILTER, mem_type)
+                     == MaceStatus::MACE_SUCCESS);
+    }
     if (model_type_ == FrameworkType::TENSORFLOW) {
       if (operator_def_->input_size() >= 4) {
         MACE_CHECK(TransformFilter(
@@ -238,34 +242,28 @@ void RegisterDeconv2D(OpRegistry *op_registry) {
   MACE_REGISTER_OP(op_registry, "Deconv2D", Deconv2dOp, DeviceType::CPU, float);
   MACE_REGISTER_BF16_OP(op_registry, "Deconv2D", Deconv2dOp, DeviceType::CPU);
   MACE_REGISTER_GPU_OP(op_registry, "Deconv2D", Deconv2dOp);
+
 #ifdef MACE_ENABLE_OPENCL
   MACE_REGISTER_OP_CONDITION(
       op_registry,
-      OpConditionBuilder("Deconv2D")
-          .SetInputMemoryTypeSetter(
-              [](OpConditionContext *context) -> void {
-                MemoryType mem_type = MemoryType::CPU_BUFFER;
-                if (context->device()->device_type() == DeviceType::GPU) {
-                  if (context->device()->gpu_runtime()->UseImageMemory()) {
-                    mem_type = MemoryType::GPU_IMAGE;
-                  } else {
-                    MACE_NOT_IMPLEMENTED;
-                  }
-                  context->set_output_mem_type(mem_type);
-                  FrameworkType framework_type =
-                      static_cast<FrameworkType>(
-                        ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
-                            *(context->operator_def()), "framework_type",
-                            FrameworkType::TENSORFLOW));
-                  if (framework_type == FrameworkType::TENSORFLOW) {
-                    context->SetInputInfo(2, MemoryType::CPU_BUFFER,
-                                          DataType::DT_INT32);
-                  }
-                } else {
-                  context->set_output_mem_type(mem_type);
-                }
-              }));
+      OpConditionBuilder("Deconv2D").SetInputMemoryTypeSetter(
+          [](OpConditionContext *context) -> void {
+            SetFilterMemoryType(context, OpenCLBufferType::DW_CONV2D_FILTER);
+            if (context->device()->device_type() == DeviceType::GPU) {
+              FrameworkType framework_type =
+                  static_cast<FrameworkType>(
+                    ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
+                        *(context->operator_def()), "framework_type",
+                        FrameworkType::TENSORFLOW));
+              if (framework_type == FrameworkType::TENSORFLOW) {
+                context->SetInputInfo(2, MemoryType::CPU_BUFFER,
+                                      DataType::DT_INT32);
+              }
+            }
+          }));
 #endif  // MACE_ENABLE_OPENCL
+
+  RegisterFilterDataFormat(op_registry, "Deconv2D");
 }
 
 }  // namespace ops
diff --git a/mace/ops/depthwise_conv2d.cc b/mace/ops/depthwise_conv2d.cc
index 2d52af6a4060a7307b98b2a5ab1b7570ede29ee0..903a2cfd6d082eb992627d8bd898852b9b3c8e79 100644
--- a/mace/ops/depthwise_conv2d.cc
+++ b/mace/ops/depthwise_conv2d.cc
@@ -417,38 +417,13 @@ void RegisterDepthwiseConv2d(OpRegistry *op_registry) {
 #ifdef MACE_ENABLE_OPENCL
   MACE_REGISTER_OP_CONDITION(
       op_registry,
-      OpConditionBuilder("DepthwiseConv2d")
-          .SetInputMemoryTypeSetter(
-              [](OpConditionContext *context) -> void {
-                MemoryType mem_type = MemoryType::CPU_BUFFER;
-                if (context->device()->device_type() == DeviceType::GPU) {
-                  if (context->device()->gpu_runtime()->UseImageMemory()) {
-                    mem_type = MemoryType::GPU_IMAGE;
-                  } else {
-                    mem_type = MemoryType::GPU_BUFFER;
-                  }
-                  auto filter_tensor = context->workspace()->GetTensor(
-                      context->operator_def()->input(1));
-                  if (filter_tensor == nullptr || !filter_tensor->is_weight()) {
-                    context->SetInputOpenCLBufferType(
-                        1, OpenCLBufferType::DW_CONV2D_FILTER);
-                  }
-                }
-                context->set_output_mem_type(mem_type);
-              }));
+      OpConditionBuilder("DepthwiseConv2d").SetInputMemoryTypeSetter(
+          [](OpConditionContext *context) -> void {
+            SetFilterMemoryType(context, OpenCLBufferType::DW_CONV2D_FILTER);
+          }));
 #endif  // MACE_ENABLE_OPENCL
-  MACE_REGISTER_OP_CONDITION(
-      op_registry,
-      OpConditionBuilder("DepthwiseConv2d")
-          .SetInputsDataFormatSelector(
-              [](OpConditionContext *context) -> std::vector<DataFormat> {
-                DataFormat op_data_format =
-                    static_cast<DataFormat>(
-                        ProtoArgHelper::GetOptionalArg<OperatorDef, int>(
-                            *context->operator_def(), "data_format",
-                            static_cast<int>(DataFormat::NONE)));
-                return {op_data_format, DataFormat::OIHW, DataFormat::NONE};
-              }));
+
+  RegisterFilterDataFormat(op_registry, "DepthwiseConv2d");
 }
 
 }  // namespace ops
diff --git a/mace/ops/depthwise_deconv2d.cc b/mace/ops/depthwise_deconv2d.cc
index 5e1311076f27cfc8beff232dcae591aa818545c4..615b5eccc93a359eea915f5da541d4e57fff3b35 100644
--- a/mace/ops/depthwise_deconv2d.cc
+++ b/mace/ops/depthwise_deconv2d.cc
@@ -160,10 +160,13 @@ class DepthwiseDeconv2dOp<DeviceType::GPU, float> : public Deconv2dOpBase {
     } else {
       MACE_NOT_IMPLEMENTED;
     }
-    MACE_CHECK(TransformFilter(
-        context, operator_def_.get(), 1,
-        OpenCLBufferType::DW_CONV2D_FILTER, mem_type)
-                   == MaceStatus::MACE_SUCCESS);
+    auto *filter_tensor =
+        context->workspace()->GetTensor(operator_def_->input(1));
+    if (filter_tensor != nullptr && filter_tensor->is_weight()) {
+      auto ret = TransformFilter(context, operator_def_.get(), 1,
+                                 OpenCLBufferType::DW_CONV2D_FILTER, mem_type);
+      MACE_CHECK(ret == MaceStatus::MACE_SUCCESS);
+    }
     if (operator_def_->input_size() >= 3) {
       MACE_CHECK(TransformFilter(
           context, operator_def_.get(), 2,
@@ -223,6 +226,17 @@ void RegisterDepthwiseDeconv2d(OpRegistry *op_registry) {
                         DepthwiseDeconv2dOp, DeviceType::CPU);
 
   MACE_REGISTER_GPU_OP(op_registry, "DepthwiseDeconv2d", DepthwiseDeconv2dOp);
+
+#ifdef MACE_ENABLE_OPENCL
+  MACE_REGISTER_OP_CONDITION(
+      op_registry,
+      OpConditionBuilder("DepthwiseDeconv2d").SetInputMemoryTypeSetter(
+          [](OpConditionContext *context) -> void {
+            SetFilterMemoryType(context, OpenCLBufferType::DW_CONV2D_FILTER);
+          }));
+#endif  // MACE_ENABLE_OPENCL
+
+  RegisterFilterDataFormat(op_registry, "DepthwiseDeconv2d");
 }
 
 }  // namespace ops
diff --git a/mace/ops/extract_image_patches.cc b/mace/ops/extract_image_patches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..ab0c8de955c6b344be4c2646d8d9724e0893a72a
--- /dev/null
+++ b/mace/ops/extract_image_patches.cc
@@ -0,0 +1,218 @@
+// Copyright 2020 The MACE Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// This Op is for fused StatisticsExtraction and StatisticsPooling
+// Components in Kaldi.
+// This op is used to extract moving-average mean and standard-deviation
+// statistics of input data.
+// 'forward_indexes' indicates which frames of input will be used for
+// extraction.
+// save statistics results.
+// 'forward_indexes' and 'count' were from precomputed index in kaldi.
+// Reference to tools/extract_pooling.py and
+// http://kaldi-asr.org/doc/nnet-general-component_8h_source.html#l00158
+
+#include <functional>
+#include <memory>
+
+#include "mace/core/ops/operator.h"
+#include "mace/core/registry/ops_registry.h"
+#include "mace/core/tensor.h"
+#include "mace/ops/conv_pool_2d_base.h"
+#ifdef MACE_ENABLE_OPENCL
+#include "mace/ops/opencl/image/extract_image_patches.h"
+#endif  // MACE_ENABLE_OPENCL
+
+namespace mace {
+namespace ops {
+
+template<DeviceType D, class T>
+class ExtractImagePatchesOp;
+
+template<class T>
+class ExtractImagePatchesOp<DeviceType::CPU, T> : public ConvPool2dOpBase {
+ public:
+  explicit ExtractImagePatchesOp(OpConstructContext *context)
+      : ConvPool2dOpBase(context),
+        kernels_(Operation::GetRepeatedArgs<int>("kernels")) {}
+
+  MaceStatus Run(OpContext *context) override {
+    const Tensor *input_tensor = this->Input(0);
+    Tensor *output_tensor = this->Output(0);
+    std::vector<index_t> output_shape(4);
+    std::vector<index_t> filter_shape = {
+        input_tensor->dim(1), input_tensor->dim(1), kernels_[0], kernels_[1]};
+
+    std::vector<int> paddings(2);
+    if (paddings_.empty()) {
+      ops::CalcNCHWPaddingAndOutputSize(
+          input_tensor->shape().data(), filter_shape.data(), dilations_.data(),
+          strides_.data(), padding_type_, output_shape.data(), paddings.data());
+    } else {
+      paddings = paddings_;
+      CalcNCHWOutputSize(input_tensor->shape().data(), filter_shape.data(),
+                         paddings_.data(), dilations_.data(), strides_.data(),
+                         RoundType::FLOOR, output_shape.data());
+    }
+    output_shape[1] *= kernels_[0] * kernels_[1];
+
+    MACE_RETURN_IF_ERROR(output_tensor->Resize(output_shape));
+
+    Tensor::MappingGuard input_guard(input_tensor);
+    Tensor::MappingGuard output_guard(output_tensor);
+    const T *input = input_tensor->data<T>();
+    MACE_CHECK(output_tensor->dtype() == DataTypeToEnum<T>::value);
+    T *output = output_tensor->mutable_data<T>();
+    const index_t *input_shape = input_tensor->shape().data();
+    int pad_hw[2] = {paddings[0] / 2, paddings[1] / 2};
+
+    return ExtractImagePatches(context, input, input_shape, output_shape.data(),
+                               kernels_.data(), strides_.data(),
+                               dilations_.data(), pad_hw, output);
+  }
+
+ private:
+  MaceStatus ExtractImagePatches(const OpContext *context,
+                                 const T *input,
+                                 const index_t *in_shape,
+                                 const index_t *out_shape,
+                                 const int *filter_hw,
+                                 const int *stride_hw,
+                                 const int *dilation_hw,
+                                 const int *pad_hw,
+                                 T *output) {
+    const index_t batch = out_shape[0];
+    const index_t out_channels = out_shape[1];
+    const index_t out_height = out_shape[2];
+    const index_t out_width = out_shape[3];
+    const index_t in_channels = in_shape[1];
+    const index_t in_height = in_shape[2];
+    const index_t in_width = in_shape[3];
+
+    const index_t in_image_size = in_height * in_width;
+    const index_t out_image_size = out_height * out_width;
+    const index_t in_batch_size = in_channels * in_image_size;
+    const index_t out_batch_size = out_channels * out_image_size;
+
+    utils::ThreadPool
+        &thread_pool = context->device()->cpu_runtime()->thread_pool();
+    thread_pool.Compute2D([=](index_t start0, index_t end0, index_t step0,
+                              index_t start1, index_t end1, index_t step1) {
+      for (index_t b = start0; b < end0; b += step0) {
+        for (index_t c = start1; c < end1; c += step1) {
+          const index_t in_c = c % in_channels;
+          const index_t filter_idx = c / in_channels;
+          const index_t out_base = b * out_batch_size + c * out_image_size;
+          const index_t in_base = b * in_batch_size + in_c * in_image_size;
+
+          for (index_t h = 0; h < out_height; ++h) {
+            for (index_t w = 0; w < out_width; ++w) {
+              index_t out_offset = out_base + h * out_width + w;
+              index_t fh = filter_idx / filter_hw[1];
+              index_t fw = filter_idx % filter_hw[1];
+              index_t inh = h * stride_hw[0] + dilation_hw[0] * fh - pad_hw[0];
+              index_t inw = w * stride_hw[1] + dilation_hw[1] * fw - pad_hw[1];
+              if (inh >= 0 && inh < in_height && inw >= 0 && inw < in_width) {
+                index_t input_offset = in_base + inh * in_width + inw;
+                output[out_offset] = input[input_offset];
+              } else {
+                output[out_offset] = 0;
+              }
+            }
+          }
+        }
+      }
+    }, 0, batch, 1, 0, out_channels, 1);
+
+    return MaceStatus::MACE_SUCCESS;
+  }
+
+ private:
+  std::vector<int> kernels_;
+
+  MACE_OP_INPUT_TAGS(INPUT);
+  MACE_OP_OUTPUT_TAGS(OUTPUT);
+};
+
+#ifdef MACE_ENABLE_OPENCL
+template<>
+class ExtractImagePatchesOp<DeviceType::GPU, float> : public ConvPool2dOpBase {
+ public:
+  explicit ExtractImagePatchesOp(OpConstructContext *context)
+      : ConvPool2dOpBase(context),
+        kernels_(Operation::GetRepeatedArgs<int>("kernels")) {
+    if (context->GetOpMemoryType() == MemoryType::GPU_IMAGE) {
+      kernel_ = make_unique<opencl::image::ExtractImagePatchesKernel>();
+    } else {
+      MACE_NOT_IMPLEMENTED;
+    }
+  }
+  MaceStatus Run(OpContext *context) override {
+    const Tensor *input = this->Input(0);
+    Tensor *output = this->Output(0);
+
+    return kernel_->Compute(context, input, kernels_.data(), strides_.data(),
+                            padding_type_, paddings_, dilations_.data(),
+                            output);
+  }
+
+ private:
+  std::vector<int> kernels_;
+  std::unique_ptr<OpenCLExtractImagePatchesKernel> kernel_;
+};
+#endif  // MACE_ENABLE_OPENCL
+
+
+void RegisterExtractImagePatches(OpRegistry *op_registry) {
+  MACE_REGISTER_OP(op_registry, "ExtractImagePatches", ExtractImagePatchesOp,
+                   DeviceType::CPU, float);
+  MACE_REGISTER_BF16_OP(op_registry, "ExtractImagePatches",
+                        ExtractImagePatchesOp, DeviceType::CPU);
+  MACE_REGISTER_GPU_OP(op_registry, "ExtractImagePatches",
+                       ExtractImagePatchesOp);
+
+  MACE_REGISTER_OP_CONDITION(
+      op_registry,
+      OpConditionBuilder("ExtractImagePatches").SetDevicePlacerFunc(
+          [](OpConditionContext *context) -> std::set<DeviceType> {
+            auto op = context->operator_def();
+            if (op->output_shape_size() != op->output_size()) {
+              return {DeviceType::CPU, DeviceType::GPU};
+            }
+            auto kernels = ProtoArgHelper::GetRepeatedArgs<OperatorDef, int>(
+                *op, "kernels");
+            auto &output_shape = op->output_shape(0);
+            auto &output_dims = output_shape.dims();
+            auto in_channel = output_dims[3] / kernels[0] / kernels[1];
+            if (output_shape.dims_size() != 4 || in_channel % 4 != 0) {
+              return {DeviceType::CPU};
+            }
+#ifdef MACE_ENABLE_OPENCL
+            if (context->device()->device_type() == DeviceType::GPU) {
+              auto opencl_runtime =
+                  context->device()->gpu_runtime()->opencl_runtime();
+              auto max_2d_size = opencl_runtime->GetMaxImage2DSize();
+              auto image_width = output_dims[2] * output_dims[3] / 4;
+              if (image_width > static_cast<index_t>(max_2d_size[0])) {
+                return {DeviceType::CPU};
+              }
+            }
+#endif  // MACE_ENABLE_OPENCL
+
+            return {DeviceType::CPU, DeviceType::GPU};
+          }));
+}
+
+}  // namespace ops
+}  // namespace mace
diff --git a/mace/ops/opencl/cl/deconv_2d.cl b/mace/ops/opencl/cl/deconv_2d.cl
index 2837e5c78c1d009fce12891a8c642c1a25910763..ef7c70250fb0ea080b011c5349dbe98c931bf417 100644
--- a/mace/ops/opencl/cl/deconv_2d.cl
+++ b/mace/ops/opencl/cl/deconv_2d.cl
@@ -85,6 +85,7 @@ __kernel void deconv_2d(OUT_OF_RANGE_PARAMS
       for (int f_y = f_start_y, idx_h = start_y ; f_y >= 0; f_y -= stride_h, ++idx_h) {
         index_y = mad24(b, in_height, idx_h);
         in_pos.y = select(index_y, -1, idx_h < 0 || idx_h >= in_height);
+#pragma unroll
         for (int f_x = f_start_x, idx_w = start_x; f_x >= 0; f_x -= stride_w, ++idx_w) {
           f_pos_y = mad24(f_y, kernel_w, f_x);
           f_pos_y = mad24(c, kernel_size, f_pos_y);
diff --git a/mace/ops/opencl/cl/extract_image_patches.cl b/mace/ops/opencl/cl/extract_image_patches.cl
new file mode 100644
index 0000000000000000000000000000000000000000..b41d3af3a58015c4c8da60b2a9251d6ab23dd372
--- /dev/null
+++ b/mace/ops/opencl/cl/extract_image_patches.cl
@@ -0,0 +1,56 @@
+#include <common.h>
+
+__kernel void extract_image_patches(OUT_OF_RANGE_PARAMS
+                                    GLOBAL_WORK_GROUP_SIZE_DIM3
+                                    __read_only image2d_t input,
+                                    __private const int in_height,
+                                    __private const int in_width,
+                                    __private const int out_height,
+                                    __private const int pad_top,
+                                    __private const int pad_left,
+                                    __private const int stride_h,
+                                    __private const int stride_w,
+                                    __private const int kernel_h,
+                                    __private const int kernel_w,
+                                    __write_only image2d_t output) {
+
+  const int out_chan_idx = get_global_id(0);
+  const int out_width_idx = get_global_id(1);
+  const int out_hb_idx = get_global_id(2);
+
+#ifndef NON_UNIFORM_WORK_GROUP
+  if (out_chan_idx >= global_size_dim0 || out_width_idx >= global_size_dim1
+      || out_hb_idx >= global_size_dim2) {
+    return;
+  }
+#endif
+  const int out_width = global_size_dim1;
+  const int kernel_size = kernel_h * kernel_w;
+  const int in_channel = global_size_dim0 / kernel_size;
+
+  const int n_b = out_hb_idx / out_height;
+  const int mod_b = out_hb_idx - mul24(n_b, out_height);
+  const int in_batch_base = mul24(n_b, in_height);
+  const int in_height_start = mad24(mod_b, stride_h, -pad_top);
+  const int in_width_start = mad24(out_width_idx, stride_w, -pad_left);
+  const int in_chan_idx = out_chan_idx % in_channel;
+  const int in_channel_base = mul24(in_chan_idx, in_width);
+
+  const int kernel_base = out_chan_idx / in_channel;
+  const int kernel_h_idx = kernel_base / kernel_w;
+  const int kernel_w_idx = kernel_base % kernel_w;
+
+  int in_height_idx = in_height_start + kernel_h_idx;
+  in_height_idx = select(in_batch_base + in_height_idx, -1,
+                         (in_height_idx < 0 || in_height_idx >= in_height));
+  int in_width_idx = in_width_start + kernel_w_idx;
+  in_width_idx = select(in_channel_base + in_width_idx, -1,
+                        (in_width_idx < 0 || in_width_idx >= in_width));
+  const int pos = mad24(out_chan_idx, out_width, out_width_idx);
+  if (in_height_idx != -1 && in_width_idx != -1) {
+    DATA_TYPE4 in = READ_IMAGET(input, SAMPLER, (int2)(in_width_idx, in_height_idx));
+    WRITE_IMAGET(output, (int2)(pos, out_hb_idx), in);
+  } else {
+    WRITE_IMAGET(output, (int2)(pos, out_hb_idx), 0);
+  }
+}
diff --git a/mace/ops/opencl/extract_image_patches.h b/mace/ops/opencl/extract_image_patches.h
new file mode 100644
index 0000000000000000000000000000000000000000..e5d629af980119da435d6053e64ec6dbf165fe77
--- /dev/null
+++ b/mace/ops/opencl/extract_image_patches.h
@@ -0,0 +1,44 @@
+// Copyright 2020 The MACE Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef MACE_OPS_OPENCL_EXTRACT_IMAGE_PATCHES_H_
+#define MACE_OPS_OPENCL_EXTRACT_IMAGE_PATCHES_H_
+
+#include <vector>
+
+#include "mace/ops/common/conv_pool_2d_util.h"
+
+namespace mace {
+
+class OpContext;
+class Tensor;
+namespace ops {
+class OpenCLExtractImagePatchesKernel {
+ public:
+  virtual MaceStatus Compute(
+      OpContext *context,
+      const Tensor *input,
+      const int *kernels,
+      const int *strides,
+      const Padding &padding_type,
+      const std::vector<int> &padding_data,
+      const int *dilations,
+      Tensor *output) = 0;
+  MACE_EMPTY_VIRTUAL_DESTRUCTOR(OpenCLExtractImagePatchesKernel);
+};
+
+}  // namespace ops
+}  // namespace mace
+
+#endif  // MACE_OPS_OPENCL_EXTRACT_IMAGE_PATCHES_H_
diff --git a/mace/ops/opencl/image/extract_image_patches.cc b/mace/ops/opencl/image/extract_image_patches.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8b426c03ad276bd4df68e53cbf01974a8c8f4def
--- /dev/null
+++ b/mace/ops/opencl/image/extract_image_patches.cc
@@ -0,0 +1,124 @@
+// Copyright 2020 The MACE Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "mace/ops/opencl/image/extract_image_patches.h"
+
+namespace mace {
+namespace ops {
+namespace opencl {
+namespace image {
+
+MaceStatus ExtractImagePatchesKernel::Compute(
+    OpContext *context,
+    const Tensor *input,
+    const int *kernels,
+    const int *strides,
+    const Padding &padding_type,
+    const std::vector<int> &padding_data,
+    const int *dilations,
+    Tensor *output) {
+  MACE_CHECK(dilations[0] == 1 && dilations[1] == 1,
+             "ExtractImagePatches opencl kernel not support dilation yet");
+  MACE_CHECK(input->dim(3) % 4 == 0, "Only support channel % 4 == 0");
+
+  std::vector<index_t> output_shape(4);
+  std::vector<index_t> filter_shape = {input->dim(3), input->dim(3),
+                                       kernels[0], kernels[1]};
+
+  std::vector<int> paddings(2);
+  if (padding_data.empty()) {
+    ops::CalcNHWCPaddingAndOutputSize(
+        input->shape().data(), filter_shape.data(), dilations, strides,
+        padding_type, output_shape.data(), paddings.data());
+  } else {
+    paddings = padding_data;
+    CalcOutputSize(input->shape().data(), filter_shape.data(),
+                   padding_data.data(), dilations, strides, RoundType::FLOOR,
+                   output_shape.data());
+  }
+  output_shape[3] *= kernels[0] * kernels[1];
+
+  std::vector<size_t> output_image_shape;
+  OpenCLUtil::CalImage2DShape(output_shape, OpenCLBufferType::IN_OUT_CHANNEL,
+                              &output_image_shape);
+  MACE_RETURN_IF_ERROR(output->ResizeImage(output_shape, output_image_shape));
+
+  auto runtime = context->device()->gpu_runtime()->opencl_runtime();
+  MACE_OUT_OF_RANGE_DEFINITION;
+
+  if (kernel_.get() == nullptr) {
+    std::set<std::string> built_options;
+    MACE_OUT_OF_RANGE_CONFIG;
+    MACE_NON_UNIFORM_WG_CONFIG;
+    std::string kernel_name = MACE_OBFUSCATE_SYMBOL("extract_image_patches");
+    built_options.emplace("-Dextract_image_patches=" + kernel_name);
+
+    if (input->dtype() == output->dtype()) {
+      auto data_dt = input->dtype();
+      built_options.emplace("-DDATA_TYPE=" + DtToCLDt(data_dt));
+      built_options.emplace("-DCMD_DATA_TYPE=" + DtToCLCMDDt(data_dt));
+    } else {
+      built_options.emplace("-DDATA_TYPE=" + DtToCLDt(DT_FLOAT));
+      built_options.emplace("-DCMD_DATA_TYPE=" + DtToCLCMDDt(DT_FLOAT));
+    }
+    MACE_RETURN_IF_ERROR(runtime->BuildKernel("extract_image_patches",
+                                              kernel_name,
+                                              built_options,
+                                              &kernel_));
+
+    kwg_size_ =
+        static_cast<uint32_t>(runtime->GetKernelMaxWorkGroupSize(kernel_));
+  }
+
+  const uint32_t gws[3] = {
+      static_cast<uint32_t>(RoundUpDiv4(output->dim(3))),
+      static_cast<uint32_t>(output->dim(2)),
+      static_cast<uint32_t>(output->dim(0) * output->dim(1)),
+  };
+  MACE_OUT_OF_RANGE_INIT(kernel_);
+
+  if (!IsVecEqual(input_shape_, input->shape())) {
+    uint32_t idx = 0;
+    MACE_OUT_OF_RANGE_SET_ARGS(kernel_);
+    MACE_SET_3D_GWS_ARGS(kernel_, gws);
+    kernel_.setArg(idx++, *(input->opencl_image()));
+    kernel_.setArg(idx++, static_cast<int32_t>(input->dim(1)));
+    kernel_.setArg(idx++, static_cast<int32_t>(input->dim(2)));
+    kernel_.setArg(idx++, static_cast<int32_t>(output->dim(1)));
+    kernel_.setArg(idx++, paddings[0] / 2);
+    kernel_.setArg(idx++, paddings[1] / 2);
+    kernel_.setArg(idx++, strides[0]);
+    kernel_.setArg(idx++, strides[1]);
+    kernel_.setArg(idx++, kernels[0]);
+    kernel_.setArg(idx++, kernels[1]);
+    kernel_.setArg(idx++, *(output->opencl_image()));
+
+    input_shape_ = input->shape();
+  }
+
+  const std::vector<uint32_t> lws = Default3DLocalWS(runtime, gws, kwg_size_);
+  std::string tuning_key =
+      Concat("extract_image_patches_opencl_kernel_", output->dim(0),
+             output->dim(1), output->dim(2), output->dim(3));
+  MACE_RETURN_IF_ERROR(TuningOrRun3DKernel(runtime, kernel_, tuning_key,
+                                           gws, lws, context->future()));
+
+  MACE_OUT_OF_RANGE_VALIDATION;
+  return MaceStatus::MACE_SUCCESS;
+}
+
+}  // namespace image
+}  // namespace opencl
+}  // namespace ops
+}  // namespace mace
diff --git a/mace/ops/opencl/image/extract_image_patches.h b/mace/ops/opencl/image/extract_image_patches.h
new file mode 100644
index 0000000000000000000000000000000000000000..eb34a5010967ddfb21d8cb390637786df93e3311
--- /dev/null
+++ b/mace/ops/opencl/image/extract_image_patches.h
@@ -0,0 +1,57 @@
+// Copyright 2020 The MACE Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef MACE_OPS_OPENCL_IMAGE_EXTRACT_IMAGE_PATCHES_H_
+#define MACE_OPS_OPENCL_IMAGE_EXTRACT_IMAGE_PATCHES_H_
+
+#include <algorithm>
+#include <memory>
+#include <set>
+#include <string>
+#include <vector>
+
+#include "mace/core/ops/op_context.h"
+#include "mace/core/runtime/opencl/opencl_helper.h"
+#include "mace/core/tensor.h"
+#include "mace/ops/opencl/extract_image_patches.h"
+
+namespace mace {
+namespace ops {
+namespace opencl {
+namespace image {
+
+class ExtractImagePatchesKernel : public OpenCLExtractImagePatchesKernel {
+ public:
+  MaceStatus Compute(
+      OpContext *context,
+      const Tensor *input,
+      const int *kernels,
+      const int *strides,
+      const Padding &padding_type,
+      const std::vector<int> &padding_data,
+      const int *dilations,
+      Tensor *output) override;
+
+ private:
+  cl::Kernel kernel_;
+  uint32_t kwg_size_;
+  std::vector<index_t> input_shape_;
+};
+
+}  // namespace image
+}  // namespace opencl
+}  // namespace ops
+}  // namespace mace
+
+#endif  // MACE_OPS_OPENCL_IMAGE_EXTRACT_IMAGE_PATCHES_H_
diff --git a/mace/ops/registry/ops_registry.cc b/mace/ops/registry/ops_registry.cc
index 9135fa0019982b97a68460e0d727a116aa725858..1478386b196a4431cd8263b29763d0af071151d9 100644
--- a/mace/ops/registry/ops_registry.cc
+++ b/mace/ops/registry/ops_registry.cc
@@ -56,6 +56,7 @@ extern void RegisterPad(OpRegistry *op_registry);
 extern void RegisterPadContext(OpRegistry *op_registry);
 extern void RegisterPNorm(OpRegistry *op_registry);
 extern void RegisterPooling(OpRegistry *op_registry);
+extern void RegisterExtractImagePatches(OpRegistry *op_registry);
 extern void RegisterReduce(OpRegistry *op_registry);
 extern void RegisterReplaceIndex(OpRegistry *op_registry);
 extern void RegisterPriorBox(OpRegistry *op_registry);
@@ -136,6 +137,7 @@ void RegisterAllOps(OpRegistry *registry) {
   ops::RegisterPadContext(registry);
   ops::RegisterPNorm(registry);
   ops::RegisterPooling(registry);
+  ops::RegisterExtractImagePatches(registry);
   ops::RegisterReduce(registry);
   ops::RegisterReplaceIndex(registry);
   ops::RegisterPriorBox(registry);
diff --git a/repository/opencl-kernel/opencl_kernel_configure.bzl b/repository/opencl-kernel/opencl_kernel_configure.bzl
index db8e9730d2d28ef74505cdb809f7d2fc5dec2c3d..b2a82f0cd1e69bf22401cd553cf8d964769fbbe5 100644
--- a/repository/opencl-kernel/opencl_kernel_configure.bzl
+++ b/repository/opencl-kernel/opencl_kernel_configure.bzl
@@ -46,6 +46,7 @@ def _opencl_encrypt_kernel_impl(repository_ctx):
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/depthwise_conv2d.cl"))
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/depthwise_conv2d_buffer.cl"))
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/eltwise.cl"))
+    unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/extract_image_patches.cl"))
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/fully_connected.cl"))
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/lstmcell.cl"))
     unused_var = repository_ctx.path(Label("//:mace/ops/opencl/cl/matmul.cl"))
diff --git a/test/ccunit/mace/ops/extract_image_patches_test.cc b/test/ccunit/mace/ops/extract_image_patches_test.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f0776ae0c06cddc1335d081a6b0f83acbc1a6c5a
--- /dev/null
+++ b/test/ccunit/mace/ops/extract_image_patches_test.cc
@@ -0,0 +1,296 @@
+// Copyright 2018 The MACE Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <vector>
+
+#include "mace/ops/common/conv_pool_2d_util.h"
+#include "mace/ops/ops_test_util.h"
+
+namespace mace {
+namespace ops {
+namespace test {
+
+class ExtractImagePatchesOpTest : public OpsTestBase {};
+
+TEST_F(ExtractImagePatchesOpTest, VALID) {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddInputFromArray<DeviceType::CPU, float>(
+      "Input", {1, 4, 4, 2},
+      {0, 16, 1, 17, 2,  18, 3,  19, 4,  20, 5,  21, 6,  22, 7,  23,
+       8, 24, 9, 25, 10, 26, 11, 27, 12, 28, 13, 29, 14, 30, 15, 31});
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("InputNCHW")
+      .Output("OutputNCHW")
+      .AddIntsArg("kernels", {2, 2})
+      .AddIntsArg("strides", {2, 2})
+      .AddIntArg("padding", Padding::VALID)
+      .AddIntsArg("dilations", {1, 1})
+      .Finalize(net.NewOperatorDef());
+
+  // Run
+  net.RunOp();
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+
+  // Check
+  auto expected =
+      net.CreateTensor<float>({1, 2, 2, 8},
+          {0, 16, 1, 17, 4, 20, 5, 21, 2, 18, 3, 19, 6, 22, 7, 23,
+           8, 24, 9, 25, 12, 28, 13, 29, 10, 26, 11, 27, 14, 30, 15, 31});
+
+  ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+}
+
+TEST_F(ExtractImagePatchesOpTest, SAME) {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddInputFromArray<DeviceType::CPU, float>("Input", {1, 3, 3, 1},
+                                                {0, 1, 2, 3, 4, 5, 6, 7, 8});
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("InputNCHW")
+      .Output("OutputNCHW")
+      .AddIntsArg("kernels", {2, 2})
+      .AddIntsArg("strides", {2, 2})
+      .AddIntArg("padding", Padding::SAME)
+      .AddIntsArg("dilations", {1, 1})
+      .Finalize(net.NewOperatorDef());
+
+  // Run
+  net.RunOp();
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+
+  // Check
+  auto expected = net.CreateTensor<float>(
+      {1, 2, 2, 4}, {0, 1, 3, 4, 2, 0, 5, 0, 6, 7, 0, 0, 8, 0, 0, 0});
+
+  ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+}
+
+TEST_F(ExtractImagePatchesOpTest, VALID_DILATION) {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddInputFromArray<DeviceType::CPU, float>(
+      "Input", {1, 4, 4, 1},
+      {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15});
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("InputNCHW")
+      .Output("OutputNCHW")
+      .AddIntsArg("kernels", {2, 2})
+      .AddIntsArg("strides", {1, 1})
+      .AddIntArg("padding", Padding::VALID)
+      .AddIntsArg("dilations", {2, 2})
+      .Finalize(net.NewOperatorDef());
+
+  // Run
+  net.RunOp();
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+
+  // Check
+  auto expected = net.CreateTensor<float>(
+      {1, 2, 2, 4}, {0, 2, 8, 10, 1, 3, 9, 11, 4, 6, 12, 14, 5, 7, 13, 15});
+
+  ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+}
+
+TEST_F(ExtractImagePatchesOpTest, k2x2s2x2) {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddInputFromArray<DeviceType::CPU, float>(
+      "Input", {1, 2, 9, 1},
+      {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17});
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("InputNCHW")
+      .Output("OutputNCHW")
+      .AddIntsArg("kernels", {2, 2})
+      .AddIntsArg("strides", {2, 2})
+      .AddIntArg("padding", Padding::SAME)
+      .AddIntsArg("dilations", {1, 1})
+      .Finalize(net.NewOperatorDef());
+
+  // Run
+  net.RunOp();
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+
+  // Check
+  auto expected = net.CreateTensor<float>(
+      {1, 1, 5, 4},
+      {0, 1, 9, 10, 2, 3, 11, 12, 4, 5, 13, 14, 6, 7, 15, 16, 8, 0, 17, 0});
+
+  ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+}
+
+namespace {
+template <DeviceType D>
+void SimpleExtractImagePatches3S2() {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddInputFromArray<D, float>(
+      "Input", {1, 3, 9, 1},
+      {0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13,
+       14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26});
+
+  if (D == DeviceType::CPU) {
+    net.TransformDataFormat<DeviceType::CPU, float>(
+        "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+    // Run
+    OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+        .Input("InputNCHW")
+        .Output("OutputNCHW")
+        .AddIntsArg("kernels", {3, 3})
+        .AddIntsArg("strides", {2, 2})
+        .AddIntArg("padding", Padding::VALID)
+        .AddIntsArg("dilations", {1, 1})
+        .Finalize(net.NewOperatorDef());
+    net.RunOp(D);
+    net.TransformDataFormat<DeviceType::CPU, float>(
+        "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+  } else if (D == DeviceType::GPU) {
+    OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+        .Input("Input")
+        .Output("Output")
+        .AddIntsArg("kernels", {3, 3})
+        .AddIntsArg("strides", {2, 2})
+        .AddIntArg("padding", Padding::VALID)
+        .AddIntsArg("dilations", {1, 1})
+        .Finalize(net.NewOperatorDef());
+    net.RunOp(D);
+  }
+
+  // Check
+  auto expected = net.CreateTensor<float>({1, 1, 4, 9},
+                                          {0, 1, 2, 9, 10, 11, 18, 19, 20,
+                                           2, 3, 4, 11, 12, 13, 20, 21, 22,
+                                           4, 5, 6, 13, 14, 15, 22, 23, 24,
+                                           6, 7, 8, 15, 16, 17, 24, 25, 26});
+
+  ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+}
+}  // namespace
+
+TEST_F(ExtractImagePatchesOpTest, CPUSimpleExtractImagePatches3S2) {
+  SimpleExtractImagePatches3S2<CPU>();
+}
+
+namespace {
+template <DeviceType D, typename T>
+void ExtractImagePatches3S2(const std::vector<index_t> &input_shape,
+                            const std::vector<int> &strides,
+                            Padding padding) {
+  // Construct graph
+  OpsTestNet net;
+
+  // Add input data
+  net.AddRandomInput<D, float>("Input", input_shape);
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "Input", DataFormat::NHWC, "InputNCHW", DataFormat::NCHW);
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("InputNCHW")
+      .Output("OutputNCHW")
+      .AddIntsArg("kernels", {3, 3})
+      .AddIntsArg("strides", strides)
+      .AddIntArg("padding", padding)
+      .AddIntsArg("dilations", {1, 1})
+      .Finalize(net.NewOperatorDef());
+
+  // run on cpu
+  net.RunOp();
+
+  net.TransformDataFormat<DeviceType::CPU, float>(
+      "OutputNCHW", DataFormat::NCHW, "Output", DataFormat::NHWC);
+
+  auto expected = net.CreateTensor<float>();
+  expected->Copy(*net.GetOutput("Output"));
+
+  OpDefBuilder("ExtractImagePatches", "ExtractImagePatchesTest")
+      .Input("Input")
+      .Output("Output")
+      .AddIntsArg("kernels", {3, 3})
+      .AddIntsArg("strides", strides)
+      .AddIntArg("padding", padding)
+      .AddIntsArg("dilations", {1, 1})
+      .AddIntArg("T", static_cast<int>(DataTypeToEnum<T>::value))
+      .Finalize(net.NewOperatorDef());
+  net.RunOp(D);
+
+  if (DataTypeToEnum<T>::value == DT_HALF) {
+    ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-3,
+                            1e-4);
+  } else {
+    ExpectTensorNear<float>(*expected, *net.GetOutput("Output"), 1e-5);
+  }
+}
+}  // namespace
+
+TEST_F(ExtractImagePatchesOpTest, OPENCLAlignedExtractImagePatches3S2) {
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {1, 1}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {2, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {1, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {1, 1}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {2, 2}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, float>({3, 64, 32, 32}, {2, 1}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, float>({3, 63, 31, 32}, {2, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, float>({3, 65, 27, 32}, {2, 1}, Padding::SAME);
+}
+
+TEST_F(ExtractImagePatchesOpTest, OPENCLHalfAlignedExtractImagePatches3S2) {
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {1, 1}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {2, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {1, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {1, 1}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {2, 2}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, half>({3, 64, 32, 32}, {2, 1}, Padding::SAME);
+  ExtractImagePatches3S2<GPU, half>({3, 63, 31, 32}, {2, 2}, Padding::VALID);
+  ExtractImagePatches3S2<GPU, half>({3, 65, 27, 32}, {2, 1}, Padding::SAME);
+}
+
+
+}  // namespace test
+}  // namespace ops
+}  // namespace mace
diff --git a/tools/python/transform/base_converter.py b/tools/python/transform/base_converter.py
index 4c23e65fbf9efa190c6f8e87e86a507f92b3af8e..7c511505233a874e3b4dc82a4c76ec756c935f44 100644
--- a/tools/python/transform/base_converter.py
+++ b/tools/python/transform/base_converter.py
@@ -109,6 +109,7 @@ MaceSupportedOps = [
     'Dequantize',
     'Eltwise',
     'ExpandDims',
+    'ExtractImagePatches',
     'ExtractPooling',
     'Fill',
     'FullyConnected',
@@ -173,6 +174,7 @@ MaceFixedDataFormatOps = [MaceOp.BatchNorm,
                           MaceOp.DepthwiseDeconv2d,
                           MaceOp.FullyConnected,
                           MaceOp.Pooling,
+                          MaceOp.ExtractImagePatches,
                           MaceOp.ResizeBicubic,
                           MaceOp.ResizeBilinear,
                           MaceOp.ResizeNearestNeighbor,
diff --git a/tools/python/transform/tensorflow_converter.py b/tools/python/transform/tensorflow_converter.py
index 98b67f63c4669693334bbb0f166e55a6b2c28682..29d20b7f495685ab18574acc4f34d9fededc1a7a 100644
--- a/tools/python/transform/tensorflow_converter.py
+++ b/tools/python/transform/tensorflow_converter.py
@@ -72,6 +72,7 @@ TFSupportedOps = [
     'Div',
     'Equal',
     'ExpandDims',
+    'ExtractImagePatches',
     'FakeQuantWithMinMaxVars',
     'FakeQuantWithMinMaxArgs',
     'Fill',
@@ -231,6 +232,8 @@ class TensorflowConverter(base_converter.ConverterInterface):
             TFOpType.Div.name: self.convert_elementwise,
             TFOpType.Equal.name: self.convert_elementwise,
             TFOpType.ExpandDims.name: self.convert_expand_dims,
+            TFOpType.ExtractImagePatches.name:
+                self.convert_extract_image_patches,
             TFOpType.FakeQuantWithMinMaxVars.name: self.convert_fake_quantize,
             TFOpType.FakeQuantWithMinMaxArgs.name: self.convert_fake_quantize,
             TFOpType.Fill.name: self.convert_fill,
@@ -714,6 +717,27 @@ class TensorflowConverter(base_converter.ConverterInterface):
         kernels_arg.name = MaceKeyword.mace_kernel_str
         kernels_arg.ints.extend(tf_op.get_attr(tf_kernel_str)[1:3])
 
+    def convert_extract_image_patches(self, tf_op):
+        op = self.convert_general_op(tf_op)
+        op.type = MaceOp.ExtractImagePatches.name
+
+        padding_arg = op.arg.add()
+        padding_arg.name = MaceKeyword.mace_padding_str
+        padding_arg.i = self.padding_mode[tf_op.get_attr(tf_padding_str)].value
+
+        strides_arg = op.arg.add()
+        strides_arg.name = MaceKeyword.mace_strides_str
+        strides_arg.ints.extend(tf_op.get_attr(tf_strides_str)[1:3])
+
+        dilation_arg = op.arg.add()
+        dilation_arg.name = MaceKeyword.mace_dilations_str
+        dilations = tf_op.get_attr('rates')[1:3]
+        dilation_arg.ints.extend(dilations)
+
+        kernels_arg = op.arg.add()
+        kernels_arg.name = MaceKeyword.mace_kernel_str
+        kernels_arg.ints.extend(tf_op.get_attr('ksizes')[1:3])
+
     def convert_softmax(self, tf_op):
         op = self.convert_general_op(tf_op)
         op.type = MaceOp.Softmax.name
diff --git a/tools/python/transform/transformer.py b/tools/python/transform/transformer.py
index c35973a0622ad84f6407bfb4c6a8adde8bcb42a6..2d0c7e98a196f6b901d2c18f100089a80d2eb161 100644
--- a/tools/python/transform/transformer.py
+++ b/tools/python/transform/transformer.py
@@ -1218,6 +1218,7 @@ class Transformer(base_converter.ConverterInterface):
             for op in net.op:
                 if op.type in [MaceOp.Deconv2D.name,
                                MaceOp.DepthwiseDeconv2d] \
+                        and op.input[1] in self._consts \
                         and op.input[1] not in transposed_deconv_filter:
                     filter = self._consts[op.input[1]]
                     filter_data = np.array(filter.float_data).reshape(
diff --git a/tools/python/utils/device.py b/tools/python/utils/device.py
index 9037d0c882f26d5962df68f44e2cf97194237ea3..53d2535804857be857de0a6ae1ae7dabe350c87d 100644
--- a/tools/python/utils/device.py
+++ b/tools/python/utils/device.py
@@ -36,10 +36,11 @@ def execute(cmd, verbose=True):
                          universal_newlines=True)
 
     if not verbose:
-        # use p.communicate instead of p.wait to avoid such situation: pipe is filled and the child process is blocked.
+        # use p.communicate instead of p.wait to avoid such situation:
+        # pipe is filled and the child process is blocked.
         out, err = p.communicate()
         if p.returncode != 0:
-            raise Exception("errorcode: {}".format(p.returncode) )
+            raise Exception("errorcode: {}".format(p.returncode))
         return out
 
     buf = []