diff --git a/README.md b/README.md
index a2456c926b3ec846239d62bb23a59363e06f9e76..a17a7cf8f31341aa49b9ca30a27d1551b326766b 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,8 @@ $ pip install -r requirements.txt
 ### 预测部署
 
 * [模型导出](./docs/model_export.md)
-* [C++预测库使用](./inference)
+* [使用Python预测](./deploy/python/)
+* [使用C++预测](./deploy/cpp/)
 
 ### 高级功能
 
diff --git a/deploy/README.md b/deploy/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..fc06306b7e99817b9aed6b69e9f5d70fc95c61b1
--- /dev/null
+++ b/deploy/README.md
@@ -0,0 +1,10 @@
+# PaddleSeg 预测部署
+
+`PaddleSeg`目前支持使用`Python`和`C++`部署在`Windows` 和`Linux` 上, 也可以集成`PaddleServing`服务化部署在 `Linux` 上。
+
+[1. Python预测(支持 Linux 和 Windows)](./python/)
+
+[2. C++预测(支持 Linux 和 Windows)](./cpp/)
+
+[3. 服务化部署(仅支持 Linux)](./serving)
+
diff --git a/inference/CMakeLists.txt b/deploy/cpp/CMakeLists.txt
similarity index 100%
rename from inference/CMakeLists.txt
rename to deploy/cpp/CMakeLists.txt
diff --git a/inference/CMakeSettings.json b/deploy/cpp/CMakeSettings.json
similarity index 100%
rename from inference/CMakeSettings.json
rename to deploy/cpp/CMakeSettings.json
diff --git a/inference/INSTALL.md b/deploy/cpp/INSTALL.md
similarity index 100%
rename from inference/INSTALL.md
rename to deploy/cpp/INSTALL.md
diff --git a/inference/LICENSE b/deploy/cpp/LICENSE
similarity index 100%
rename from inference/LICENSE
rename to deploy/cpp/LICENSE
diff --git a/inference/README.md b/deploy/cpp/README.md
similarity index 94%
rename from inference/README.md
rename to deploy/cpp/README.md
index 4bad993c03916542e637f9a8fa17d86b129af9a9..c9d1c08de5cbea3c09980ff138c2ff7a417e93bd 100644
--- a/inference/README.md
+++ b/deploy/cpp/README.md
@@ -11,7 +11,7 @@
 
 ## 1.说明
 
-本目录提供一个跨平台的图像分割模型的C++、Python预测部署方案，用户通过一定的配置，加上少量的代码，即可把模型集成到自己的服务中，完成图像分割的任务。
+本目录提供一个跨平台`PaddlePaddle`图像分割模型的`C++`预测部署方案，用户通过一定的配置，加上少量的代码，即可把模型集成到自己的服务中，完成图像分割的任务。
 
 主要设计的目标包括以下四点：
 - 跨平台，支持在 windows 和 Linux 完成编译、开发和部署
@@ -19,6 +19,8 @@
 - 可扩展性，支持用户针对新模型开发自己特殊的数据预处理、后处理等逻辑
 - 高性能，除了`PaddlePaddle`自身带来的性能优势，我们还针对图像分割的特点对关键步骤进行了性能优化
 
+**注意** 如需要使用`Python`的预测部署方法，请参考：[Python预测部署](../python/)
+
 
 ## 2.主要目录和文件
 
@@ -57,8 +59,6 @@ inference
 
 `Windows`上推荐使用最新的`Visual Studio 2019 Community`直接编译`CMake`项目。
 
-针对Python的预测部署方法，可参考以下链接：[Python预测部署方法](python_inference.md)
-
 ## 4.预测并可视化结果
 
 完成编译后，便生成了需要的可执行文件和链接库，然后执行以下步骤：
diff --git a/inference/conf/humanseg.yaml b/deploy/cpp/conf/humanseg.yaml
similarity index 100%
rename from inference/conf/humanseg.yaml
rename to deploy/cpp/conf/humanseg.yaml
diff --git a/inference/demo.cpp b/deploy/cpp/demo.cpp
similarity index 100%
rename from inference/demo.cpp
rename to deploy/cpp/demo.cpp
diff --git a/inference/docs/demo.jpg b/deploy/cpp/docs/demo.jpg
similarity index 100%
rename from inference/docs/demo.jpg
rename to deploy/cpp/docs/demo.jpg
diff --git a/inference/docs/demo_jpg.png b/deploy/cpp/docs/demo_jpg.png
similarity index 100%
rename from inference/docs/demo_jpg.png
rename to deploy/cpp/docs/demo_jpg.png
diff --git a/inference/docs/linux_build.md b/deploy/cpp/docs/linux_build.md
similarity index 100%
rename from inference/docs/linux_build.md
rename to deploy/cpp/docs/linux_build.md
diff --git a/inference/docs/vis.md b/deploy/cpp/docs/vis.md
similarity index 100%
rename from inference/docs/vis.md
rename to deploy/cpp/docs/vis.md
diff --git a/inference/docs/vis_result.png b/deploy/cpp/docs/vis_result.png
similarity index 100%
rename from inference/docs/vis_result.png
rename to deploy/cpp/docs/vis_result.png
diff --git a/inference/docs/windows_vs2015_build.md b/deploy/cpp/docs/windows_vs2015_build.md
similarity index 100%
rename from inference/docs/windows_vs2015_build.md
rename to deploy/cpp/docs/windows_vs2015_build.md
diff --git a/inference/docs/windows_vs2019_build.md b/deploy/cpp/docs/windows_vs2019_build.md
similarity index 100%
rename from inference/docs/windows_vs2019_build.md
rename to deploy/cpp/docs/windows_vs2019_build.md
diff --git a/inference/external-cmake/yaml-cpp.cmake b/deploy/cpp/external-cmake/yaml-cpp.cmake
similarity index 100%
rename from inference/external-cmake/yaml-cpp.cmake
rename to deploy/cpp/external-cmake/yaml-cpp.cmake
diff --git a/inference/images/humanseg/demo1.jpeg b/deploy/cpp/images/humanseg/demo1.jpeg
similarity index 100%
rename from inference/images/humanseg/demo1.jpeg
rename to deploy/cpp/images/humanseg/demo1.jpeg
diff --git a/inference/images/humanseg/demo2.jpeg b/deploy/cpp/images/humanseg/demo2.jpeg
similarity index 100%
rename from inference/images/humanseg/demo2.jpeg
rename to deploy/cpp/images/humanseg/demo2.jpeg
diff --git a/inference/images/humanseg/demo2.jpeg_result.png b/deploy/cpp/images/humanseg/demo2.jpeg_result.png
similarity index 100%
rename from inference/images/humanseg/demo2.jpeg_result.png
rename to deploy/cpp/images/humanseg/demo2.jpeg_result.png
diff --git a/inference/images/humanseg/demo2_jpeg_recover.png b/deploy/cpp/images/humanseg/demo2_jpeg_recover.png
similarity index 100%
rename from inference/images/humanseg/demo2_jpeg_recover.png
rename to deploy/cpp/images/humanseg/demo2_jpeg_recover.png
diff --git a/inference/images/humanseg/demo3.jpeg b/deploy/cpp/images/humanseg/demo3.jpeg
similarity index 100%
rename from inference/images/humanseg/demo3.jpeg
rename to deploy/cpp/images/humanseg/demo3.jpeg
diff --git a/inference/predictor/seg_predictor.cpp b/deploy/cpp/predictor/seg_predictor.cpp
similarity index 100%
rename from inference/predictor/seg_predictor.cpp
rename to deploy/cpp/predictor/seg_predictor.cpp
diff --git a/inference/predictor/seg_predictor.h b/deploy/cpp/predictor/seg_predictor.h
similarity index 100%
rename from inference/predictor/seg_predictor.h
rename to deploy/cpp/predictor/seg_predictor.h
diff --git a/inference/preprocessor/preprocessor.cpp b/deploy/cpp/preprocessor/preprocessor.cpp
similarity index 100%
rename from inference/preprocessor/preprocessor.cpp
rename to deploy/cpp/preprocessor/preprocessor.cpp
diff --git a/inference/preprocessor/preprocessor.h b/deploy/cpp/preprocessor/preprocessor.h
similarity index 100%
rename from inference/preprocessor/preprocessor.h
rename to deploy/cpp/preprocessor/preprocessor.h
diff --git a/inference/preprocessor/preprocessor_seg.cpp b/deploy/cpp/preprocessor/preprocessor_seg.cpp
similarity index 100%
rename from inference/preprocessor/preprocessor_seg.cpp
rename to deploy/cpp/preprocessor/preprocessor_seg.cpp
diff --git a/inference/preprocessor/preprocessor_seg.h b/deploy/cpp/preprocessor/preprocessor_seg.h
similarity index 100%
rename from inference/preprocessor/preprocessor_seg.h
rename to deploy/cpp/preprocessor/preprocessor_seg.h
diff --git a/inference/tools/visualize.py b/deploy/cpp/tools/visualize.py
similarity index 100%
rename from inference/tools/visualize.py
rename to deploy/cpp/tools/visualize.py
diff --git a/inference/utils/seg_conf_parser.h b/deploy/cpp/utils/seg_conf_parser.h
similarity index 100%
rename from inference/utils/seg_conf_parser.h
rename to deploy/cpp/utils/seg_conf_parser.h
diff --git a/inference/utils/utils.h b/deploy/cpp/utils/utils.h
similarity index 100%
rename from inference/utils/utils.h
rename to deploy/cpp/utils/utils.h
diff --git a/deploy/python/README.md b/deploy/python/README.md
new file mode 100644
index 0000000000000000000000000000000000000000..3c762517917a083ffa1538a8cdbdd2f7d3e692ca
--- /dev/null
+++ b/deploy/python/README.md
@@ -0,0 +1,94 @@
+# PaddleSeg Python 预测部署方案
+
+本文档旨在提供一个`PaddlePaddle`跨平台图像分割模型的`Python`预测部署方案，用户通过一定的配置，加上少量的代码，即可把模型集成到自己的服务中，完成图像分割的任务。
+
+## 前置条件
+
+* Python2.7+，Python3+
+* pip，pip3
+
+## 主要目录和文件
+
+```
+├── infer.py #  核心代码，完成分割模型的预测以及结果可视化
+├── requirements.txt # 依赖的Python包
+└── README.md # 说明文档
+```
+
+### Step1:安装PaddlePaddle
+
+如何选择合适版本的`PaddlePaddle`版本进行安装，可参考: [PaddlePaddle安装教程](https://www.paddlepaddle.org.cn/install/doc/)
+
+### Step2:安装Python依赖包
+
+2.1 在**当前**目录下, 使用`pip`安装`Python`依赖包
+```bash
+pip install -r requirements.txt
+```
+
+2.2 安装`OpenCV` 相关依赖库
+预测代码中需要使用`OpenCV`，所以还需要`OpenCV`安装相关的动态链接库。
+以`Ubuntu` 和`CentOS` 为例，命令如下:
+
+`Ubuntu`下安装相关链接库：
+```bash
+apt-get install -y libglib2.0-0 libsm6 libxext6 libxrender-dev
+```
+
+CentOS 下安装相关链接库：
+```bash
+yum install -y libXext libSM libXrender
+```
+### Step3:预测
+进行预测前, 请使用[模型导出工具](../../docs/model_export.md) 导出您的模型(或点击下载我们的[人像分割样例模型](https://bj.bcebos.com/paddleseg/inference/human_freeze_model.zip)用于测试)。
+
+导出的模型目录通常包括三个文件，除了模型文件`models` 和参数文件`params`，还会生成对应的配置文件`deploy.yaml`用于`C++`和`Python` 预测, 主要字段及其含义如下:
+```yaml
+DEPLOY:
+    # 是否使用GPU预测
+    USE_GPU: 1
+    # 模型和参数文件所在目录路径
+    MODEL_PATH: "/root/projects/models/deeplabv3p_xception65_humanseg"
+    # 模型文件名
+    MODEL_FILENAME: "__model__"
+    # 参数文件名
+    PARAMS_FILENAME: "__params__"
+    # 预测图片的的标准输入尺寸，输入尺寸不一致会做resize
+    EVAL_CROP_SIZE: (513, 513)
+    # 均值
+    MEAN: [0.5, 0.5, 0.5]
+    # 方差
+    STD: [0.5, 0.5, 0.5]
+    # 分类类型数
+    NUM_CLASSES: 2
+    # 图片通道数
+    CHANNELS : 3
+    # 预测模式，支持 NATIVE 和 ANALYSIS
+    PREDICTOR_MODE: "ANALYSIS"
+    # 每次预测的 batch_size
+    BATCH_SIZE : 3
+```
+
+模型文件就绪后，在终端输入以下命令进行预测:
+```
+python infer.py --conf=/path/to/deploy.yaml --input_dir/path/to/images_directory --use_pr=False
+```
+参数说明如下:
+
+| 参数 | 是否必须|含义 |
+|-------|-------|----------|
+| conf | YES|模型配置的Yaml文件路径 |
+| input_dir |YES| 需要预测的图片目录 |
+| use_pr |NO|是否使用优化模型，默认为False|
+
+* 优化模型：使用`PaddleSeg 0.3.0`版导出的为优化模型, 此前版本导出的模型即为未优化版本。优化模型把图像的预处理以及后处理部分融入到模型网络中使用`GPU` 完成，相比原来`CPU` 中的处理提升了计算性能。
+
+
+运行后会扫描`input_dir` 目录下所有指定格式图片，生成`预测mask`和`可视化的结果`。
+对于图片`a.jpeg`, `预测mask` 存在`a_jpeg.png` 中，而可视化结果则在`a_jpeg_result.png` 中。
+
+输入样例:
+![avatar](../cpp/images/humanseg/demo2.jpeg)
+
+输出结果:  
+![avatar](../cpp/images/humanseg/demo2.jpeg_result.png)
diff --git a/deploy/python/infer.py b/deploy/python/infer.py
new file mode 100644
index 0000000000000000000000000000000000000000..705f78d59661a8f3d1f08f41402a959112677d22
--- /dev/null
+++ b/deploy/python/infer.py
@@ -0,0 +1,291 @@
+# coding: utf8
+# copyright (c) 2019 PaddlePaddle Authors. All Rights Reserve.
+#
+# 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.
+
+import os
+import sys
+import ast
+import time
+
+import gflags
+import yaml
+import cv2
+
+import numpy as np
+import paddle.fluid as fluid
+
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+gflags.DEFINE_string("conf", default="", help="Configuration File Path")
+gflags.DEFINE_string("input_dir", default="", help="Directory of Input Images")
+gflags.DEFINE_boolean("use_pr", default=False, help="Use optimized model")
+gflags.DEFINE_string("trt_mode", default="", help="Use optimized model")
+gflags.FLAGS = gflags.FLAGS
+
+# ColorMap for visualization
+color_map = [[128, 64, 128], [244, 35, 231], [69, 69, 69], [102, 102, 156],
+             [190, 153, 153], [153, 153, 153], [250, 170, 29], [219, 219, 0],
+             [106, 142, 35], [152, 250, 152], [69, 129, 180], [219, 19, 60],
+             [255, 0, 0], [0, 0, 142], [0, 0, 69], [0, 60, 100], [0, 79, 100],
+             [0, 0, 230], [119, 10, 32]]
+
+# Paddle-TRT Precision Map
+trt_precision_map = {
+    "int8": fluid.core.AnalysisConfig.Precision.Int8,
+    "fp32": fluid.core.AnalysisConfig.Precision.Float32,
+    "fp16": fluid.core.AnalysisConfig.Precision.Half
+}
+
+# scan a directory and get all images with support extensions
+def get_images_from_dir(img_dir, support_ext=".jpg|.jpeg"):
+    if (not os.path.exists(img_dir) or not os.path.isdir(img_dir)):
+        raise Exception("Image Directory [%s] invalid" % img_dir)
+    imgs = []
+    for item in os.listdir(img_dir):
+        ext = os.path.splitext(item)[1][1:].strip().lower()
+        if (len(ext) > 0 and ext in support_ext):
+            item_path = os.path.join(img_dir, item)
+            imgs.append(item_path)
+    return imgs
+
+# Deploy Configuration File Parser
+class DeployConfig:
+    def __init__(self, conf_file):
+        if not os.path.exists(conf_file):
+            raise Exception('Config file path [%s] invalid!' % conf_file)
+
+        with open(conf_file) as fp:
+            configs = yaml.load(fp, Loader=yaml.FullLoader)
+            deploy_conf = configs["DEPLOY"]
+            # 1. get eval_crop_size
+            self.eval_crop_size = ast.literal_eval(deploy_conf["EVAL_CROP_SIZE"])
+            # 2. get mean
+            self.mean = deploy_conf["MEAN"]
+            # 3. get std
+            self.std = deploy_conf["STD"]
+            # 4. get class_num
+            self.class_num = deploy_conf["NUM_CLASSES"]
+            # 5. get paddle model and params file path
+            self.model_file = os.path.join(
+                deploy_conf["MODEL_PATH"], deploy_conf["MODEL_FILENAME"])
+            self.param_file = os.path.join(
+                deploy_conf["MODEL_PATH"], deploy_conf["PARAMS_FILENAME"])
+            # 6. use_gpu
+            self.use_gpu = deploy_conf["USE_GPU"]
+            # 7. predictor_mode
+            self.predictor_mode = deploy_conf["PREDICTOR_MODE"]
+            # 8. batch_size
+            self.batch_size = deploy_conf["BATCH_SIZE"]
+            # 9. channels
+            self.channels = deploy_conf["CHANNELS"]
+
+class ImageReader:
+    def __init__(self, configs):
+        self.config = configs
+        self.threads_pool = ThreadPoolExecutor(configs.batch_size)
+
+    # image processing thread worker
+    def process_worker(self, imgs, idx, use_pr=False):
+        image_path = imgs[idx]
+        im = cv2.imread(image_path, -1)
+        channels = im.shape[2]
+        ori_h = im.shape[0]
+        ori_w = im.shape[1]
+        if channels == 1:
+            im = cv2.cvtColor(im, cv2.COLOR_GRAY2BGR)
+            channels = im.shape[2]
+        if channels != 3 and channels != 4:
+            print("Only support rgb(gray) or rgba image.")
+            return -1
+
+        # resize to eval_crop_size
+        eval_crop_size = self.config.eval_crop_size
+        if (ori_h != eval_crop_size[0] or ori_w != eval_crop_size[1]):
+            im = cv2.resize(
+                im, eval_crop_size, fx=0, fy=0, interpolation=cv2.INTER_LINEAR)
+
+        # if use models with no pre-processing/post-processing op optimizations
+        if not use_pr:
+            im_mean = np.array(self.config.mean).reshape((3, 1, 1))
+            im_std = np.array(self.config.std).reshape((3, 1, 1))
+            # HWC -> CHW, don't use transpose((2, 0, 1))
+            im = im.swapaxes(1, 2)
+            im = im.swapaxes(0, 1)
+            im = im[:, :, :].astype('float32') / 255.0
+            im -= im_mean
+            im /= im_std
+        im = im[np.newaxis,:,:,:]
+        info = [image_path, im, (ori_w, ori_h)]
+        return info
+
+    # process multiple images with multithreading
+    def process(self, imgs, use_pr=False):
+        imgs_data = []
+        with ThreadPoolExecutor(max_workers=self.config.batch_size) as exec:
+            tasks = [exec.submit(self.process_worker, imgs, idx, use_pr)
+                        for idx in range(len(imgs))]
+        for task in as_completed(tasks):
+            imgs_data.append(task.result())
+        return imgs_data
+
+class Predictor:
+    def __init__(self, conf_file):
+        self.config = DeployConfig(conf_file)
+        self.image_reader = ImageReader(self.config)
+        if self.config.predictor_mode == "NATIVE":
+            predictor_config = fluid.core.NativeConfig()
+            predictor_config.prog_file = self.config.model_file
+            predictor_config.param_file = self.config.param_file
+            predictor_config.use_gpu = config.use_gpu
+            predictor_config.device = 0
+            predictor_config.fraction_of_gpu_memory = 0
+        elif self.config.predictor_mode == "ANALYSIS":
+            predictor_config = fluid.core.AnalysisConfig(
+                self.config.model_file, self.config.param_file)
+            if self.config.use_gpu:
+                predictor_config.enable_use_gpu(100, 0)
+                predictor_config.switch_ir_optim(True)
+                if gflags.FLAGS.trt_mode != "":
+                    precision_type = trt_precision_map[gflags.FLAGS.trt_mode]
+                    use_calib = (gflags.FLAGS.trt_mode == "int8")
+                    predictor_config.enable_tensorrt_engine(
+                        workspace_size=1<<30,
+                        max_batch_size=self.config.batch_size,
+                        min_subgraph_size=40,
+                        precision_mode=precision_type,
+                        use_static=False,
+                        use_calib_mode=use_calib)
+            else:
+                predictor_config.disable_gpu()
+            predictor_config.switch_specify_input_names(True)
+            predictor_config.enable_memory_optim()
+        self.predictor = fluid.core.create_paddle_predictor(predictor_config)
+
+    def create_tensor(self, inputs, batch_size, use_pr=False):
+        im_tensor = fluid.core.PaddleTensor()
+        im_tensor.name = "image"
+        if not use_pr:
+            im_tensor.shape = [batch_size,
+                               self.config.channels,
+                               self.config.eval_crop_size[1],
+                               self.config.eval_crop_size[0]]
+        else:
+            im_tensor.shape = [batch_size,
+                               self.config.eval_crop_size[1],
+                               self.config.eval_crop_size[0],
+                               self.config.channels]
+        im_tensor.dtype = fluid.core.PaddleDType.FLOAT32
+        im_tensor.data = fluid.core.PaddleBuf(inputs.ravel().astype("float32"))
+        return [im_tensor]
+
+    # save prediction results and visualization them
+    def output_result(self, imgs_data, infer_out, use_pr=False):
+        for idx in range(len(imgs_data)):
+            img_name = imgs_data[idx][0]
+            ori_shape = imgs_data[idx][2]
+            mask = infer_out[idx]
+            if not use_pr:
+                mask = np.argmax(mask, axis=0)
+            mask = mask.astype('uint8')
+            mask_png = mask
+            score_png = mask_png[:, :, np.newaxis]
+            score_png = np.concatenate([score_png] * 3, axis=2)
+            # visualization score png
+            for i in range(score_png.shape[0]):
+                for j in range(score_png.shape[1]):
+                    score_png[i, j] = color_map[score_png[i, j, 0]]
+            # save the mask
+            # mask of xxx.jpeg will be saved as xxx_jpeg_mask.png
+            ext_pos = img_name.rfind(".")
+            img_name_fix = img_name[:ext_pos] + "_" + img_name[ext_pos + 1:]
+            mask_save_name = img_name_fix + "_mask.png"
+            cv2.imwrite(mask_save_name, mask_png, [cv2.CV_8UC1])
+            # save the visualized result
+            # result of xxx.jpeg will be saved as xxx_jpeg_result.png
+            vis_result_name = img_name_fix + "_result.png"
+            result_png = score_png
+            # if not use_pr:
+            result_png = cv2.resize(result_png, ori_shape, fx=0, fy=0,
+                                    interpolation=cv2.INTER_CUBIC)
+            cv2.imwrite(vis_result_name, result_png, [cv2.CV_8UC1])
+            print("save result of [" + img_name + "] done.")
+
+    def predict(self, images):
+        # image reader preprocessing time cost
+        reader_time = 0
+        # inference time cost
+        infer_time = 0
+        # post_processing: generate mask and visualize it
+        post_time = 0
+        # total time cost: preprocessing + inference + postprocessing
+        total_runtime = 0
+
+        # record starting time point
+        total_start = time.time()
+        batch_size = self.config.batch_size
+        for i in range(0, len(images), batch_size):
+            real_batch_size = batch_size
+            if i + batch_size >= len(images):
+                real_batch_size = len(images) - i
+            reader_start = time.time()
+            img_datas = self.image_reader.process(images[i: i + real_batch_size])
+            input_data = np.concatenate([item[1] for item in img_datas])
+            input_data = self.create_tensor(
+                input_data, real_batch_size, use_pr=gflags.FLAGS.use_pr)
+            reader_end = time.time()
+            infer_start = time.time()
+            output_data = self.predictor.run(input_data)[0]
+            infer_end = time.time()
+            reader_time += (reader_end - reader_start)
+            infer_time += (infer_end - infer_start)
+            output_data = output_data.as_ndarray()
+            post_start = time.time()
+            self.output_result(img_datas, output_data, gflags.FLAGS.use_pr)
+            post_end = time.time()
+            post_time += (post_end - post_start)
+
+        # finishing process all images
+        total_end = time.time()
+        # compute whole processing time
+        total_runtime = (total_end - total_start)
+        print("images_num=[%d],preprocessing_time=[%f],infer_time=[%f],postprocessing_time=[%f],total_runtime=[%f]"
+              % (len(images), reader_time, infer_time, post_time, total_runtime))
+
+def run(deploy_conf, imgs_dir, support_extensions=".jpg|.jpeg"):
+    # 1. scan and get all images with valid extensions in directory imgs_dir
+    imgs = get_images_from_dir(imgs_dir)
+    if len(imgs) == 0:
+        print("No Image (with extensions : %s) found in [%s]"
+              % (support_extensions, imgs_dir))
+        return -1
+    # 2. create a predictor
+    seg_predictor = Predictor(deploy_conf)
+    # 3. do a inference on images
+    seg_predictor.predict(imgs)
+    return 0
+
+if __name__ == "__main__":
+    # 0. parse the arguments
+    gflags.FLAGS(sys.argv)
+    if (gflags.FLAGS.conf == "" or gflags.FLAGS.input_dir == ""):
+        print("Usage: python infer.py --conf=/config/path/to/your/model "
+              +"--input_dir=/directory/of/your/input/images [--use_pr=True]")
+        exit(-1)
+    # set empty to turn off as default
+    trt_mode = gflags.FLAGS.trt_mode
+    if (trt_mode != "" and trt_mode not in trt_precision_map):
+        print("Invalid trt_mode [%s], only support[int8, fp16, fp32]" % trt_mode)
+        exit(-1)
+    # run inference
+    run(gflags.FLAGS.conf, gflags.FLAGS.input_dir)
diff --git a/inference/requirements.txt b/deploy/python/requirements.txt
similarity index 100%
rename from inference/requirements.txt
rename to deploy/python/requirements.txt
diff --git a/serving/COMPILE_GUIDE.md b/deploy/serving/COMPILE_GUIDE.md
similarity index 100%
rename from serving/COMPILE_GUIDE.md
rename to deploy/serving/COMPILE_GUIDE.md
diff --git a/serving/README.md b/deploy/serving/README.md
similarity index 100%
rename from serving/README.md
rename to deploy/serving/README.md
diff --git a/serving/UBUNTU.md b/deploy/serving/UBUNTU.md
similarity index 100%
rename from serving/UBUNTU.md
rename to deploy/serving/UBUNTU.md
diff --git a/serving/requirements.txt b/deploy/serving/requirements.txt
similarity index 100%
rename from serving/requirements.txt
rename to deploy/serving/requirements.txt
diff --git a/serving/seg-serving/CMakeLists.txt b/deploy/serving/seg-serving/CMakeLists.txt
similarity index 100%
rename from serving/seg-serving/CMakeLists.txt
rename to deploy/serving/seg-serving/CMakeLists.txt
diff --git a/serving/seg-serving/conf/gflags.conf b/deploy/serving/seg-serving/conf/gflags.conf
similarity index 100%
rename from serving/seg-serving/conf/gflags.conf
rename to deploy/serving/seg-serving/conf/gflags.conf
diff --git a/serving/seg-serving/conf/model_toolkit.prototxt b/deploy/serving/seg-serving/conf/model_toolkit.prototxt
similarity index 100%
rename from serving/seg-serving/conf/model_toolkit.prototxt
rename to deploy/serving/seg-serving/conf/model_toolkit.prototxt
diff --git a/serving/seg-serving/conf/resource.prototxt b/deploy/serving/seg-serving/conf/resource.prototxt
similarity index 100%
rename from serving/seg-serving/conf/resource.prototxt
rename to deploy/serving/seg-serving/conf/resource.prototxt
diff --git a/serving/seg-serving/conf/seg_conf.yaml b/deploy/serving/seg-serving/conf/seg_conf.yaml
similarity index 100%
rename from serving/seg-serving/conf/seg_conf.yaml
rename to deploy/serving/seg-serving/conf/seg_conf.yaml
diff --git a/serving/seg-serving/conf/seg_conf2.yaml b/deploy/serving/seg-serving/conf/seg_conf2.yaml
similarity index 100%
rename from serving/seg-serving/conf/seg_conf2.yaml
rename to deploy/serving/seg-serving/conf/seg_conf2.yaml
diff --git a/serving/seg-serving/conf/service.prototxt b/deploy/serving/seg-serving/conf/service.prototxt
similarity index 100%
rename from serving/seg-serving/conf/service.prototxt
rename to deploy/serving/seg-serving/conf/service.prototxt
diff --git a/serving/seg-serving/conf/workflow.prototxt b/deploy/serving/seg-serving/conf/workflow.prototxt
similarity index 100%
rename from serving/seg-serving/conf/workflow.prototxt
rename to deploy/serving/seg-serving/conf/workflow.prototxt
diff --git a/serving/seg-serving/data/model/paddle/fluid_reload_flag b/deploy/serving/seg-serving/data/model/paddle/fluid_reload_flag
similarity index 100%
rename from serving/seg-serving/data/model/paddle/fluid_reload_flag
rename to deploy/serving/seg-serving/data/model/paddle/fluid_reload_flag
diff --git a/serving/seg-serving/data/model/paddle/fluid_time_file b/deploy/serving/seg-serving/data/model/paddle/fluid_time_file
similarity index 100%
rename from serving/seg-serving/data/model/paddle/fluid_time_file
rename to deploy/serving/seg-serving/data/model/paddle/fluid_time_file
diff --git a/serving/seg-serving/op/CMakeLists.txt b/deploy/serving/seg-serving/op/CMakeLists.txt
similarity index 100%
rename from serving/seg-serving/op/CMakeLists.txt
rename to deploy/serving/seg-serving/op/CMakeLists.txt
diff --git a/serving/seg-serving/op/image_seg_op.cpp b/deploy/serving/seg-serving/op/image_seg_op.cpp
similarity index 100%
rename from serving/seg-serving/op/image_seg_op.cpp
rename to deploy/serving/seg-serving/op/image_seg_op.cpp
diff --git a/serving/seg-serving/op/image_seg_op.h b/deploy/serving/seg-serving/op/image_seg_op.h
similarity index 100%
rename from serving/seg-serving/op/image_seg_op.h
rename to deploy/serving/seg-serving/op/image_seg_op.h
diff --git a/serving/seg-serving/op/reader_op.cpp b/deploy/serving/seg-serving/op/reader_op.cpp
similarity index 100%
rename from serving/seg-serving/op/reader_op.cpp
rename to deploy/serving/seg-serving/op/reader_op.cpp
diff --git a/serving/seg-serving/op/reader_op.h b/deploy/serving/seg-serving/op/reader_op.h
similarity index 100%
rename from serving/seg-serving/op/reader_op.h
rename to deploy/serving/seg-serving/op/reader_op.h
diff --git a/serving/seg-serving/op/seg_conf.cpp b/deploy/serving/seg-serving/op/seg_conf.cpp
similarity index 100%
rename from serving/seg-serving/op/seg_conf.cpp
rename to deploy/serving/seg-serving/op/seg_conf.cpp
diff --git a/serving/seg-serving/op/seg_conf.h b/deploy/serving/seg-serving/op/seg_conf.h
similarity index 100%
rename from serving/seg-serving/op/seg_conf.h
rename to deploy/serving/seg-serving/op/seg_conf.h
diff --git a/serving/seg-serving/op/write_json_op.cpp b/deploy/serving/seg-serving/op/write_json_op.cpp
similarity index 100%
rename from serving/seg-serving/op/write_json_op.cpp
rename to deploy/serving/seg-serving/op/write_json_op.cpp
diff --git a/serving/seg-serving/op/write_json_op.h b/deploy/serving/seg-serving/op/write_json_op.h
similarity index 100%
rename from serving/seg-serving/op/write_json_op.h
rename to deploy/serving/seg-serving/op/write_json_op.h
diff --git a/serving/seg-serving/proto/CMakeLists.txt b/deploy/serving/seg-serving/proto/CMakeLists.txt
similarity index 100%
rename from serving/seg-serving/proto/CMakeLists.txt
rename to deploy/serving/seg-serving/proto/CMakeLists.txt
diff --git a/serving/seg-serving/proto/image_seg.proto b/deploy/serving/seg-serving/proto/image_seg.proto
similarity index 100%
rename from serving/seg-serving/proto/image_seg.proto
rename to deploy/serving/seg-serving/proto/image_seg.proto
diff --git a/serving/seg-serving/scripts/start.sh b/deploy/serving/seg-serving/scripts/start.sh
similarity index 100%
rename from serving/seg-serving/scripts/start.sh
rename to deploy/serving/seg-serving/scripts/start.sh
diff --git a/serving/tools/image_seg_client.py b/deploy/serving/tools/image_seg_client.py
similarity index 100%
rename from serving/tools/image_seg_client.py
rename to deploy/serving/tools/image_seg_client.py
diff --git a/serving/tools/images/1.jpg b/deploy/serving/tools/images/1.jpg
similarity index 100%
rename from serving/tools/images/1.jpg
rename to deploy/serving/tools/images/1.jpg
diff --git a/serving/tools/images/2.jpg b/deploy/serving/tools/images/2.jpg
similarity index 100%
rename from serving/tools/images/2.jpg
rename to deploy/serving/tools/images/2.jpg
diff --git a/serving/tools/images/3.jpg b/deploy/serving/tools/images/3.jpg
similarity index 100%
rename from serving/tools/images/3.jpg
rename to deploy/serving/tools/images/3.jpg
diff --git a/docs/model_export.md b/docs/model_export.md
index eab31fddb4c590403726b504c340ae0155bd952b..e2b050f31b8306c58b863327387980f146d8efb7 100644
--- a/docs/model_export.md
+++ b/docs/model_export.md
@@ -18,4 +18,4 @@
 python pdseg/export_model.py --cfg configs/unet_pet.yaml TEST.TEST_MODEL test/saved_models/unet_pet/final
 ```
 
-预测模型会导出到`freeze_model`目录，用于C++预测的模型配置会导出到`freeze_model/deploy.yaml`下
+预测模型会导出到`freeze_model`目录，用于`C++`或者`Python`预测的模型配置会导出到`freeze_model/deploy.yaml`下
diff --git a/inference/infer.py b/inference/infer.py
deleted file mode 100644
index a3f123e58d71b29f45131208e734cf6962359316..0000000000000000000000000000000000000000
--- a/inference/infer.py
+++ /dev/null
@@ -1,349 +0,0 @@
-# coding: utf8
-# copyright (c) 2019 PaddlePaddle Authors. All Rights Reserve.
-#
-# 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.
-
-import os
-import sys
-import time
-
-import gflags
-import yaml
-import numpy as np
-import cv2
-
-from paddle.fluid.core import AnalysisConfig
-from paddle.fluid.core import NativeConfig
-from paddle.fluid.core import create_paddle_predictor
-from paddle.fluid.core import PaddleTensor
-from paddle.fluid.core import PaddleBuf
-from paddle.fluid.core import PaddleDType
-from concurrent.futures import ThreadPoolExecutor, as_completed
-
-gflags.DEFINE_string("conf", default="", help="Configuration File Path")
-gflags.DEFINE_string("input_dir", default="", help="Directory of Input Images")
-gflags.DEFINE_boolean("use_pr", default=False, help="Use optimized model")
-Flags = gflags.FLAGS
-
-# ColorMap for visualization more clearly
-color_map = [[128, 64, 128], [244, 35, 231], [69, 69, 69], [102, 102, 156],
-             [190, 153, 153], [153, 153, 153], [250, 170, 29], [219, 219, 0],
-             [106, 142, 35], [152, 250, 152], [69, 129, 180], [219, 19, 60],
-             [255, 0, 0], [0, 0, 142], [0, 0, 69], [0, 60, 100], [0, 79, 100],
-             [0, 0, 230], [119, 10, 32]]
-
-
-class ConfItemsNotFoundError(Exception):
-    def __init__(self, message):
-        super().__init__(message + " item not Found")
-
-
-class Config:
-    def __init__(self, config_dict):
-        if "DEPLOY" not in config_dict:
-            raise ConfItemsNotFoundError("DEPLOY")
-        deploy_dict = config_dict["DEPLOY"]
-        if "EVAL_CROP_SIZE" not in deploy_dict:
-            raise ConfItemsNotFoundError("EVAL_CROP_SIZE")
-        # 1. get resize
-        self.resize = [int(value) for value in
-                       deploy_dict["EVAL_CROP_SIZE"].strip("()").split(",")]
-
-        # 2. get mean
-        if "MEAN" not in deploy_dict:
-            raise ConfItemsNotFoundError("MEAN")
-        self.mean = deploy_dict["MEAN"]
-
-        # 3. get std
-        if "STD" not in deploy_dict:
-            raise ConfItemsNotFoundError("STD")
-        self.std = deploy_dict["STD"]
-
-        # 4. get image type
-        if "IMAGE_TYPE" not in deploy_dict:
-            raise ConfItemsNotFoundError("IMAGE_TYPE")
-        self.img_type = deploy_dict["IMAGE_TYPE"]
-
-        # 5. get class number
-        if "NUM_CLASSES" not in deploy_dict:
-            raise ConfItemsNotFoundError("NUM_CLASSES")
-        self.class_num = deploy_dict["NUM_CLASSES"]
-
-        # 7. set model path
-        if "MODEL_PATH" not in deploy_dict:
-            raise ConfItemsNotFoundError("MODEL_PATH")
-        self.model_path = deploy_dict["MODEL_PATH"]
-
-        # 8. get model file_name
-        if "MODEL_FILENAME" not in deploy_dict:
-            self.model_file_name = "__model__"
-        else:
-            self.model_file_name = deploy_dict["MODEL_FILENAME"]
-
-        # 9. get model param file name
-        if "PARAMS_FILENAME" not in deploy_dict:
-            self.param_file_name = "__params__"
-        else:
-            self.param_file_name = deploy_dict["PARAMS_FILENAME"]
-
-        # 10. get pre_processor
-        if "PRE_PROCESSOR" not in deploy_dict:
-            raise ConfItemsNotFoundError("PRE_PROCESSOR")
-        self.pre_processor = deploy_dict["PRE_PROCESSOR"]
-
-        # 11. use_gpu
-        if "USE_GPU" not in deploy_dict:
-            self.use_gpu = 0
-        else:
-            self.use_gpu = deploy_dict["USE_GPU"]
-
-        # 12. predictor_mode
-        if "PREDICTOR_MODE" not in deploy_dict:
-            raise ConfItemsNotFoundError("PREDICTOR_MODE")
-        self.predictor_mode = deploy_dict["PREDICTOR_MODE"]
-
-        # 13. batch_size
-        if "BATCH_SIZE" not in deploy_dict:
-            raise ConfItemsNotFoundError("BATCH_SIZE")
-        self.batch_size = deploy_dict["BATCH_SIZE"]
-
-        # 14. channels
-        if "CHANNELS" not in deploy_dict:
-            raise ConfItemsNotFoundError("CHANNELS")
-        self.channels = deploy_dict["CHANNELS"]
-
-
-class PreProcessor:
-    def __init__(self, config):
-        self.resize_size = (config.resize[0], config.resize[1])
-        self.mean = config.mean
-        self.std = config.std
-
-    def process(self, image_file, im_list, ori_h_list, ori_w_list, idx, use_pr=False):
-        start = time.time()
-        im = cv2.imread(image_file, -1)
-        end = time.time()
-        print("imread spent %fs" % (end - start))
-        channels = im.shape[2]
-        ori_h = im.shape[0]
-        ori_w = im.shape[1]
-        if channels == 1:
-            im = cv2.cvtColor(im, cv2.COLOR_GRAY2BGR)
-            channels = im.shape[2]
-        if channels != 3 and channels != 4:
-            print("Only support rgb(gray) or rgba image.")
-            return -1
-
-        if ori_h != self.resize_size[0] or ori_w != self.resize_size[1]:
-            start = time.time()
-            im = cv2.resize(im, self.resize_size, fx=0, fy=0, interpolation=cv2.INTER_LINEAR)
-            end = time.time()
-            print("resize spent %fs" % (end - start))
-        if not use_pr:
-            start = time.time()
-            im_mean = np.array(self.mean).reshape((3, 1, 1))
-            im_std = np.array(self.std).reshape((3, 1, 1))
-
-            # HWC -> CHW, don't use transpose((2, 0, 1))
-            im = im.swapaxes(1, 2)
-            im = im.swapaxes(0, 1)
-            im = im[:, :, :].astype('float32') / 255.0
-            im -= im_mean
-            im /= im_std
-            end = time.time()
-            print("preprocessing spent %fs" % (end-start))
-        im = im[np.newaxis,:,:,:]
-        im_list[idx] = im
-        ori_h_list[idx] = ori_h
-        ori_w_list[idx] = ori_w
-        return im, ori_h, ori_w
-
-
-class Predictor:
-    def __init__(self, config):
-        self.config = config
-        model_file = os.path.join(config.model_path, config.model_file_name)
-        param_file = os.path.join(config.model_path, config.param_file_name)
-        if config.predictor_mode == "NATIVE":
-            predictor_config = NativeConfig()
-            predictor_config.prog_file = model_file
-            predictor_config.param_file = param_file
-            predictor_config.use_gpu = config.use_gpu
-            predictor_config.device = 0
-            predictor_config.fraction_of_gpu_memory = 0
-        elif config.predictor_mode == "ANALYSIS":
-            predictor_config = AnalysisConfig(model_file, param_file)
-            if config.use_gpu:
-                predictor_config.enable_use_gpu(100, 0)
-            else:
-                predictor_config.disable_gpu()
-            # need to use zero copy run
-            # predictor_config.switch_use_feed_fetch_ops(False)
-            # predictor_config.enable_tensorrt_engine(
-            #     workspace_size=1<<30,
-            #     max_batch_size=1,
-            #     min_subgraph_size=3,
-            #     precision_mode=AnalysisConfig.Precision.Int8,
-            #     use_static=False,
-            #     use_calib_mode=True
-            # )
-            predictor_config.switch_specify_input_names(True)
-            predictor_config.enable_memory_optim()
-
-        self.predictor = create_paddle_predictor(predictor_config)
-        self.preprocessor = PreProcessor(config)
-        self.threads_pool = ThreadPoolExecutor(config.batch_size)
-
-    def make_tensor(self, inputs, batch_size, use_pr=False):
-        im_tensor = PaddleTensor()
-        im_tensor.name = "image"
-        if not use_pr:
-            im_tensor.shape = [batch_size, self.config.channels,
-                               self.config.resize[1], self.config.resize[0]]
-        else:
-            im_tensor.shape = [batch_size, self.config.resize[1],
-                               self.config.resize[0], self.config.channels]
-        print(im_tensor.shape)
-        im_tensor.dtype = PaddleDType.FLOAT32
-        start = time.time()
-        im_tensor.data = PaddleBuf(inputs.ravel().astype("float32"))
-        print("flatten time: %f" % (time.time() - start))
-        return [im_tensor]
-
-    def output_result(self, image_name, output, ori_h, ori_w, use_pr=False):
-        mask = output
-        if not use_pr:
-            mask = np.argmax(output, axis=0)
-        mask = mask.astype('uint8')
-        mask_png = mask
-        score_png = mask_png[:, :, np.newaxis]
-        score_png = np.concatenate([score_png] * 3, axis=2)
-        for i in range(score_png.shape[0]):
-            for j in range(score_png.shape[1]):
-                score_png[i, j] = color_map[score_png[i, j, 0]]
-
-        mask_save_name = image_name + ".png"
-        cv2.imwrite(mask_save_name, mask_png, [cv2.CV_8UC1])
-
-        result_name = image_name + "_result.png"
-        result_png = score_png
-        # if not use_pr:
-        result_png = cv2.resize(result_png, (ori_w, ori_h), fx=0, fy=0,
-                                interpolation=cv2.INTER_CUBIC)
-        cv2.imwrite(result_name, result_png, [cv2.CV_8UC1])
-
-        print("save result of [" + image_name + "] done.")
-
-    def predict(self, images):
-        batch_size = self.config.batch_size
-        total_runtime = 0
-        total_imwrite_time = 0
-        for i in range(0, len(images), batch_size):
-            start = time.time()
-            bz = batch_size
-            if i + batch_size >= len(images):
-                bz = len(images) - i
-            im_list = [0] * bz
-            ori_h_list = [0] * bz
-            ori_w_list = [0] * bz
-            tasks = [self.threads_pool.submit(self.preprocessor.process,
-                                              images[i + j], im_list,
-                                              ori_h_list, ori_w_list,
-                                              j, Flags.use_pr)
-                     for j in range(bz)]
-            # join all running threads
-            for t in as_completed(tasks):
-                pass
-            input_data = np.concatenate(im_list)
-            input_data = self.make_tensor(input_data, bz, use_pr=Flags.use_pr)
-            inference_start = time.time()
-            output_data = self.predictor.run(input_data)[0]
-            end = time.time()
-            print("inference time = %fs " % (end - inference_start))
-            print("runtime = %fs " % (end - start))
-            total_runtime += (end - start)
-            output_data = output_data.as_ndarray()
-
-            output_start = time.time()
-            for j in range(bz):
-                self.output_result(images[i + j], output_data[j],
-                                   ori_h_list[j], ori_w_list[j], Flags.use_pr)
-            output_end = time.time()
-            total_imwrite_time += output_end - output_start
-        print("total time = %fs" % total_runtime)
-        print("total imwrite time = %fs" % total_imwrite_time)
-
-
-def usage():
-    print("Usage: python infer.py --conf=/config/path/to/your/model " +
-          "--input_dir=/directory/of/your/input/images [--use_pr=True]")
-
-
-def read_conf(conf_file):
-    if not os.path.exists(conf_file):
-        raise FileNotFoundError("Can't find the configuration file path," +
-                                " please check whether the configuration" +
-                                " path is correctly set.")
-    f = open(conf_file)
-    config_dict = yaml.load(f, Loader=yaml.FullLoader)
-    config = Config(config_dict)
-    return config
-
-
-def read_input_dir(input_dir, ext=".jpg|.jpeg"):
-    if not os.path.exists(input_dir):
-        raise FileNotFoundError("This input directory doesn't exist, please" +
-                                " check whether the input directory is" +
-                                " correctly set.")
-    if not os.path.isdir(input_dir):
-        raise NotADirectoryError("This input directory in not a directory," +
-                                 " please check whether the input directory" +
-                                 " is correctly set.")
-    files_list = []
-    ext_list = ext.split("|")
-    files = os.listdir(input_dir)
-    for file in files:
-        for ext_suffix in ext_list:
-            if file.endswith(ext_suffix):
-                full_path = os.path.join(input_dir, file)
-                files_list.append(full_path)
-                break
-    return files_list
-
-
-def main(argv):
-    # 0. parse the argument
-    Flags(argv)
-    if Flags.conf == "" or Flags.input_dir == "":
-        usage()
-        return -1
-    try:
-        # 1. get a conf dictionary
-        seg_deploy_configs = read_conf(Flags.conf)
-        # 2. get all the images path with extension '.jpeg' at input_dir
-        images = read_input_dir(Flags.input_dir)
-        if len(images) == 0:
-            print("No Images Found! Please check whether the images format" +
-                  " is correct. Supporting format: [.jpeg|.jpg].")
-        print(images)
-    except Exception as e:
-        print(e)
-        return -1
-
-    # 3. init predictor and predict
-    seg_predictor = Predictor(seg_deploy_configs)
-    seg_predictor.predict(images)
-
-
-if __name__ == "__main__":
-    main(sys.argv)
diff --git a/inference/python_inference.md b/inference/python_inference.md
deleted file mode 100644
index 8ae421192f89a627cddb74184fe9342bab748a15..0000000000000000000000000000000000000000
--- a/inference/python_inference.md
+++ /dev/null
@@ -1,59 +0,0 @@
-# PaddleSeg Python 预测部署方案
-
-本说明文档旨在提供一个跨平台的图像分割模型的Python预测部署方案，用户通过一定的配置，加上少量的代码，即可把模型集成到自己的服务中，完成图像分割的任务。
-
-## 前置条件
-
-* Python2.7+，Python3+
-* pip，pip3
-
-## 主要目录和文件
-
-```
-inference
-├── infer.py # 完成预测、可视化的Python脚本
-└── requirements.txt # 预测部署脚本所依赖的库
-```
-
-### Step1:安装PaddlePaddle
-
-可参考以下链接，选择合适版本的PaddlePaddle进行安装。[PaddlePaddle安装教程](https://www.paddlepaddle.org.cn/install/doc/)
-
-### Step2:安装Python依赖包
-
-在inference目录下，安装相应的Python预测依赖包
-```bash
-pip install -r requirements.txt
-```
-因为预测部署中需要使用opencv，所以还需要安装相关的动态链接库。相关操作如下：
-
-Ubuntu 下安装相关链接库：
-```bash
-apt-get install -y libglib2.0-0 libsm6 libxext6 libxrender-dev
-```
-
-CentOS 下安装相关链接库：
-```bash
-yum install -y libXext libSM libXrender
-```
-### Step3:预测
-
-在终端输入以下命令进行预测。
-```
-python infer.py --conf=/path/to/XXX.yaml --input_dir/path/to/images_directory --use_pr=False
-```
-
-预测使用的三个命令参数说明如下：
-
-| 参数 | 含义 |
-|-------|----------|
-| conf | 模型配置的Yaml文件路径 |
-| input_dir | 需要预测的图片目录 |
-| use_pr | 是否使用优化模型，默认为False|
-
-* 优化模型：对于图像分割模型，由于模型输入的数据需要使用CPU对读取的图像数据进行预处理，预处理时长较长，为了降低在使用GPU进行端到端预测时的延时，优化模型把预处理部分融入到模型当中。在使用GPU进行预测时，优化模型的预处理部分将会在GPU上进行，大大降低了端到端延时。可使用新版的模型导出工具导出优化模型。
-
-![avatar](images/humanseg/demo2.jpeg)
-
-输出预测结果   
-![avatar](images/humanseg/demo2.jpeg_result.png)
\ No newline at end of file
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