Fix layout from [H,W,C] to [C,H,W]

src/utils/Utils.cpp

@@ -61,9 +61,9 @@ static Aidge::DataType CVtoAidge(const int matDepth) {
 
 std::shared_ptr<Aidge::Tensor> Aidge::tensorOpencv(cv::Mat mat) {
     // Get Mat dims
-    const std::vector<DimSize_t> matDims = std::vector<DimSize_t>({static_cast<DimSize_t>(mat.cols),
+    const std::vector<DimSize_t> matDims = std::vector<DimSize_t>({static_cast<DimSize_t>(mat.channels()),
                                                             static_cast<DimSize_t>(mat.rows),
-                                                            static_cast<DimSize_t>(mat.channels())});
+                                                            static_cast<DimSize_t>(mat.cols)});
     // Get the correct Data Type
     Aidge::DataType type;
     type = CVtoAidge(mat.depth());

unit_tests/Tests_Utils.cpp

@@ -69,9 +69,10 @@ TEMPLATE_TEST_CASE("Opencv Utils", "[Utils][OpenCV]", signed char, unsigned char
             auto tensorOcv = tensorOpencv(mat);
 
             // Check the size of the tensor
+            REQUIRE(mat.channels() == tensorOcv->dims()[0]);
             REQUIRE(mat.rows == tensorOcv->dims()[1]);
-            REQUIRE(mat.cols == tensorOcv->dims()[0]);
-            REQUIRE(mat.channels() == tensorOcv->dims()[2]);
+            REQUIRE(mat.cols == tensorOcv->dims()[2]);
+            
 
             // Check the matrix inside the tensor coorresponds to the matrix
             TensorImpl_opencv_* tImpl_opencv = dynamic_cast<TensorImpl_opencv_*>(tensorOcv->getImpl().get());