Add support to YOLOv5 v4.0 and v5.0

2022-04-08 17:13:05 -03:00
parent 2aa52a8e8c
commit 7bcc9b62fa
6 changed files with 102 additions and 63 deletions
--- a/nvdsinfer_custom_impl_Yolo/layers/reorgv5_layer.cpp
+++ b/nvdsinfer_custom_impl_Yolo/layers/reorgv5_layer.cpp
@@ -0,0 +1,62 @@
+/*
+ * Created by Marcos Luciano
+ * https://www.github.com/marcoslucianops
+ */
+
+#include "reorgv5_layer.h"
+
+nvinfer1::ILayer* reorgV5Layer(
+    int layerIdx,
+    nvinfer1::ITensor* input,
+    nvinfer1::INetworkDefinition* network)
+{
+    nvinfer1::Dims prevTensorDims = input->getDimensions();
+
+    nvinfer1::ISliceLayer *slice1 = network->addSlice(
+        *input,
+        nvinfer1::Dims3{0, 0, 0},
+        nvinfer1::Dims3{prevTensorDims.d[0], prevTensorDims.d[1] / 2, prevTensorDims.d[2] / 2},
+        nvinfer1::Dims3{1, 2, 2});
+    assert(slice1 != nullptr);
+    std::string slice1LayerName = "slice1_" + std::to_string(layerIdx);
+    slice1->setName(slice1LayerName.c_str());
+
+    nvinfer1::ISliceLayer *slice2 = network->addSlice(
+        *input,
+        nvinfer1::Dims3{0, 1, 0},
+        nvinfer1::Dims3{prevTensorDims.d[0], prevTensorDims.d[1] / 2, prevTensorDims.d[2] / 2},
+        nvinfer1::Dims3{1, 2, 2});
+    assert(slice2 != nullptr);
+    std::string slice2LayerName = "slice2_" + std::to_string(layerIdx);
+    slice2->setName(slice2LayerName.c_str());
+
+    nvinfer1::ISliceLayer *slice3 = network->addSlice(
+        *input,
+        nvinfer1::Dims3{0, 0, 1},
+        nvinfer1::Dims3{prevTensorDims.d[0], prevTensorDims.d[1] / 2, prevTensorDims.d[2] / 2},
+        nvinfer1::Dims3{1, 2, 2});
+    assert(slice3 != nullptr);
+    std::string slice3LayerName = "slice3_" + std::to_string(layerIdx);
+    slice3->setName(slice3LayerName.c_str());
+
+    nvinfer1::ISliceLayer *slice4 = network->addSlice(
+        *input,
+        nvinfer1::Dims3{0, 1, 1},
+        nvinfer1::Dims3{prevTensorDims.d[0], prevTensorDims.d[1] / 2, prevTensorDims.d[2] / 2},
+        nvinfer1::Dims3{1, 2, 2});
+    assert(slice4 != nullptr);
+    std::string slice4LayerName = "slice4_" + std::to_string(layerIdx);
+    slice4->setName(slice4LayerName.c_str());
+
+    std::vector<nvinfer1::ITensor*> concatInputs;
+    concatInputs.push_back (slice1->getOutput(0));
+    concatInputs.push_back (slice2->getOutput(0));
+    concatInputs.push_back (slice3->getOutput(0));
+    concatInputs.push_back (slice4->getOutput(0));
+
+    nvinfer1::IConcatenationLayer* concat =
+        network->addConcatenation(concatInputs.data(), concatInputs.size());
+    assert(concat != nullptr);
+
+    return concat;
+}