From bfd663c281f684fddf72db517f5d6f2b1f5e0cff Mon Sep 17 00:00:00 2001
From: Dmitry Kurtaev <dmitry.kurtaev+github@gmail.com>
Date: Thu, 21 Feb 2019 08:54:35 +0300
Subject: [PATCH] Add a test for grouped deconvolution from ONNX

---
 modules/dnn/src/layers/convolution_layer.cpp | 6 +-----
 modules/dnn/test/test_onnx_importer.cpp      | 1 +
 2 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/modules/dnn/src/layers/convolution_layer.cpp b/modules/dnn/src/layers/convolution_layer.cpp
index 60611b52b2..453892ec45 100644
--- a/modules/dnn/src/layers/convolution_layer.cpp
+++ b/modules/dnn/src/layers/convolution_layer.cpp
@@ -1217,12 +1217,8 @@ public:
         int dims[] = {inputs[0][0], outCn, outH, outW};
         outputs.resize(inputs.size(), shape(dims, 4));
 
-        internals.push_back(MatShape());
         if (!is1x1())
-            internals[0] = computeColRowShape(inputs[0], outputs[0]);
-
-        if (hasBias())
-            internals.push_back(shape(1, outH*outW));
+            internals.push_back(computeColRowShape(inputs[0], outputs[0]));
 
         return false;
     }
diff --git a/modules/dnn/test/test_onnx_importer.cpp b/modules/dnn/test/test_onnx_importer.cpp
index 217ef34421..5bd517433f 100644
--- a/modules/dnn/test/test_onnx_importer.cpp
+++ b/modules/dnn/test/test_onnx_importer.cpp
@@ -72,6 +72,7 @@ TEST_P(Test_ONNX_layers, Deconvolution)
 {
     testONNXModels("deconvolution");
     testONNXModels("two_deconvolution");
+    testONNXModels("deconvolution_group");
 }
 
 TEST_P(Test_ONNX_layers, Dropout)
-- 
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