Added YOLOR native support

YOLOR-CSP
YOLOR-CSP*
YOLOR-CSP-X
YOLOR-CSP-X*

config_infer_primary_yolor.txt

@@ -0,0 +1,24 @@
+[property]
+gpu-id=0
+net-scale-factor=0.0039215697906911373
+model-color-format=0
+custom-network-config=yolor_csp.cfg
+model-file=yolor_csp.wts
+model-engine-file=model_b1_gpu0_fp32.engine
+#int8-calib-file=calib.table
+labelfile-path=labels.txt
+batch-size=1
+network-mode=0
+num-detected-classes=80
+interval=0
+gie-unique-id=1
+process-mode=1
+network-type=0
+cluster-mode=4
+maintain-aspect-ratio=0
+parse-bbox-func-name=NvDsInferParseYolo
+custom-lib-path=nvdsinfer_custom_impl_Yolo/libnvdsinfer_custom_impl_Yolo.so
+engine-create-func-name=NvDsInferYoloCudaEngineGet
+
+[class-attrs-all]
+pre-cluster-threshold=0.25

nvdsinfer_custom_impl_Yolo/Makefile

@@ -53,6 +53,8 @@ SRCFILES:= nvdsinfer_yolo_engine.cpp \
            nvdsparsebbox_Yolo.cpp \
            yoloPlugins.cpp \
            layers/convolutional_layer.cpp \
+           layers/implicit_layer.cpp \
+           layers/channels_layer.cpp \
            layers/dropout_layer.cpp \
            layers/shortcut_layer.cpp \
            layers/route_layer.cpp \

nvdsinfer_custom_impl_Yolo/layers/channels_layer.cpp

@@ -0,0 +1,32 @@
+/*
+ * Created by Marcos Luciano
+ * https://www.github.com/marcoslucianops
+ */
+
+#include "channels_layer.h"
+
+nvinfer1::ILayer* channelsLayer(
+    std::string type,
+    nvinfer1::ITensor* input,
+    nvinfer1::ITensor* implicitTensor,
+    nvinfer1::INetworkDefinition* network)
+{
+    nvinfer1::ILayer* output;
+
+    if (type == "shift") {
+    nvinfer1::IElementWiseLayer* ew = network->addElementWise(
+        *input, *implicitTensor,
+        nvinfer1::ElementWiseOperation::kSUM);
+    assert(ew != nullptr);
+    output = ew;
+    }
+    else if (type == "control") {
+        nvinfer1::IElementWiseLayer* ew = network->addElementWise(
+        *input, *implicitTensor,
+        nvinfer1::ElementWiseOperation::kPROD);
+    assert(ew != nullptr);
+    output = ew;
+    }
+
+    return output;
+}

nvdsinfer_custom_impl_Yolo/layers/channels_layer.h

@@ -0,0 +1,20 @@
+/*
+ * Created by Marcos Luciano
+ * https://www.github.com/marcoslucianops
+ */
+
+#ifndef __CHANNELS_LAYER_H__
+#define __CHANNELS_LAYER_H__
+
+#include <map>
+#include <cassert>
+
+#include "NvInfer.h"
+
+nvinfer1::ILayer* channelsLayer(
+    std::string type,
+    nvinfer1::ITensor* input,
+    nvinfer1::ITensor* implicitTensor,
+    nvinfer1::INetworkDefinition* network);
+
+#endif

nvdsinfer_custom_impl_Yolo/layers/implicit_layer.cpp

@@ -0,0 +1,31 @@
+/*
+ * Created by Marcos Luciano
+ * https://www.github.com/marcoslucianops
+ */
+
+#include <math.h>
+#include "implicit_layer.h"
+
+nvinfer1::ILayer* implicitLayer(
+    int channels,
+    std::vector<float>& weights,
+    std::vector<nvinfer1::Weights>& trtWeights,
+    int& weightPtr,
+    nvinfer1::INetworkDefinition* network)
+{
+    nvinfer1::Weights convWt{nvinfer1::DataType::kFLOAT, nullptr, channels};
+
+    float* val = new float[channels];
+    for (int i = 0; i < channels; ++i)
+    {
+        val[i] = weights[weightPtr];
+        weightPtr++;
+    }
+    convWt.values = val;
+    trtWeights.push_back(convWt);
+
+    nvinfer1::IConstantLayer* implicit = network->addConstant(nvinfer1::Dims3{static_cast<int>(channels), 1, 1}, convWt);
+    assert(implicit != nullptr);
+
+    return implicit;
+}

nvdsinfer_custom_impl_Yolo/layers/implicit_layer.h

@@ -0,0 +1,22 @@
+/*
+ * Created by Marcos Luciano
+ * https://www.github.com/marcoslucianops
+ */
+
+#ifndef __IMPLICIT_LAYER_H__
+#define __IMPLICIT_LAYER_H__
+
+#include <map>
+#include <vector>
+#include <cassert>
+
+#include "NvInfer.h"
+
+nvinfer1::ILayer* implicitLayer(
+    int channels,
+    std::vector<float>& weights,
+    std::vector<nvinfer1::Weights>& trtWeights,
+    int& weightPtr,
+    nvinfer1::INetworkDefinition* network);
+
+#endif

nvdsinfer_custom_impl_Yolo/yolo.cpp

@@ -187,6 +187,51 @@ NvDsInferStatus Yolo::buildYoloNetwork(
             printLayerInfo(layerIndex, layerType, inputVol, outputVol, std::to_string(weightPtr));
         }
 
+        else if (m_ConfigBlocks.at(i).at("type") == "implicit_add" || m_ConfigBlocks.at(i).at("type") == "implicit_mul") {
+            std::string type;
+            if (m_ConfigBlocks.at(i).at("type") == "implicit_add") {
+                type = "add";
+            }
+            else if (m_ConfigBlocks.at(i).at("type") == "implicit_mul") {
+                type = "mul";
+            }
+            assert(m_ConfigBlocks.at(i).find("filters") != m_ConfigBlocks.at(i).end());
+            int filters = std::stoi(m_ConfigBlocks.at(i).at("filters"));
+            nvinfer1::ILayer* out = implicitLayer(filters, weights, m_TrtWeights, weightPtr, &network);
+            previous = out->getOutput(0);
+            assert(previous != nullptr);
+            channels = getNumChannels(previous);
+            std::string outputVol = dimsToString(previous->getDimensions());
+            tensorOutputs.push_back(previous);
+            std::string layerType = "implicit_" + type;
+            printLayerInfo(layerIndex, layerType, "        -", outputVol, std::to_string(weightPtr));
+        }
+
+        else if (m_ConfigBlocks.at(i).at("type") == "shift_channels" || m_ConfigBlocks.at(i).at("type") == "control_channels") {
+            std::string type;
+            if (m_ConfigBlocks.at(i).at("type") == "shift_channels") {
+                type = "shift";
+            }
+            else if (m_ConfigBlocks.at(i).at("type") == "control_channels") {
+                type = "control";
+            }
+            assert(m_ConfigBlocks.at(i).find("from") != m_ConfigBlocks.at(i).end());
+            int from = stoi(m_ConfigBlocks.at(i).at("from"));
+            if (from > 0) {
+                from = from - i + 1;
+            }
+            assert((i - 2 >= 0) && (i - 2 < tensorOutputs.size()));
+            assert((i + from - 1 >= 0) && (i + from - 1 < tensorOutputs.size()));
+            assert(i + from - 1 < i - 2);
+            nvinfer1::ILayer* out = channelsLayer(type, previous, tensorOutputs[i + from - 1], &network);
+            previous = out->getOutput(0);
+            assert(previous != nullptr);
+            std::string outputVol = dimsToString(previous->getDimensions());
+            tensorOutputs.push_back(previous);
+            std::string layerType = type + "_channels" + ": " + std::to_string(i + from - 1);
+            printLayerInfo(layerIndex, layerType, "        -", outputVol, "    -");
+        }
+
         else if (m_ConfigBlocks.at(i).at("type") == "dropout") {
             assert(m_ConfigBlocks.at(i).find("probability") != m_ConfigBlocks.at(i).end());
             //float probability = std::stof(m_ConfigBlocks.at(i).at("probability"));

nvdsinfer_custom_impl_Yolo/yolo.h

@@ -27,6 +27,8 @@
 #define _YOLO_H_
 
 #include "layers/convolutional_layer.h"
+#include "layers/implicit_layer.h"
+#include "layers/channels_layer.h"
 #include "layers/dropout_layer.h"
 #include "layers/shortcut_layer.h"
 #include "layers/route_layer.h"

nvdsinfer_custom_impl_Yolo/yoloForward.cu

@@ -60,6 +60,28 @@ __global__ void gpuYoloLayer(const float* input, float* output, const uint gridS
                 = input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + (5 + i))];
         }
     }
+    else if (new_coords == 0 && scale_x_y != 1) { // YOLOR incorrect param
+        output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 0)]
+            = sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 0)]) * 2.0 - 0.5;
+
+        output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 1)]
+            = sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 1)]) * 2.0 - 0.5;
+
+        output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 2)]
+            = pow(sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 2)]) * 2, 2);
+
+        output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 3)]
+            = pow(sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 3)]) * 2, 2);
+
+        output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 4)]
+            = sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 4)]);
+
+        for (uint i = 0; i < numOutputClasses; ++i)
+        {
+            output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + (5 + i))]
+                = sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + (5 + i))]);
+        }
+    }
     else {
         output[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 0)]
             = sigmoidGPU(input[bbindex + numGridCells * (z_id * (5 + numOutputClasses) + 0)]) * alpha + beta;

readme.md

@@ -6,7 +6,6 @@ NVIDIA DeepStream SDK 6.0 configuration for YOLO models
 
 * New documentation for multiple models
 * DeepStream tutorials
-* Native YOLOR support
 * Native PP-YOLO support
 * Models benchmark
 * GPU NMS
@@ -22,7 +21,9 @@ NVIDIA DeepStream SDK 6.0 configuration for YOLO models
 * Support for convolutional groups
 * Support for INT8 calibration
 * Support for non square models
+* **Support for implicit and channel layers (YOLOR)**
 * **YOLOv5 6.0 native support**
+* **Initial YOLOR native support**
 
 ##
 
@@ -33,6 +34,7 @@ NVIDIA DeepStream SDK 6.0 configuration for YOLO models
 * [dGPU installation](#dgpu-installation)
 * [Basic usage](#basic-usage)
 * [YOLOv5 usage](#yolov5-usage)
+* [YOLOR usage](#yolor-usage)
 * [INT8 calibration](#int8-calibration)
 * [Using your custom model](docs/customModels.md)
 
@@ -55,6 +57,10 @@ NVIDIA DeepStream SDK 6.0 configuration for YOLO models
 ##
 
 ### Tested models
+* [YOLOR-CSP](https://github.com/WongKinYiu/yolor) [[cfg]](https://raw.githubusercontent.com/WongKinYiu/yolor/main/cfg/yolor_csp.cfg) [[pt]](https://drive.google.com/file/d/1ZEqGy4kmZyD-Cj3tEFJcLSZenZBDGiyg/view?usp=sharing)
+* [YOLOR-CSP*](https://github.com/WongKinYiu/yolor) [[cfg]](https://raw.githubusercontent.com/WongKinYiu/yolor/main/cfg/yolor_csp.cfg) [[pt]](https://drive.google.com/file/d/1OJKgIasELZYxkIjFoiqyn555bcmixUP2/view?usp=sharing)
+* [YOLOR-CSP-X](https://github.com/WongKinYiu/yolor) [[cfg]](https://raw.githubusercontent.com/WongKinYiu/yolor/main/cfg/yolor_csp_x.cfg) [[pt]](https://drive.google.com/file/d/1L29rfIPNH1n910qQClGftknWpTBgAv6c/view?usp=sharing)
+* [YOLOR-CSO-X*](https://github.com/WongKinYiu/yolor) [[cfg]](https://raw.githubusercontent.com/WongKinYiu/yolor/main/cfg/yolor_csp_x.cfg) [[pt]](https://drive.google.com/file/d/1NbMG3ivuBQ4S8kEhFJ0FIqOQXevGje_w/view?usp=sharing)
 * [YOLOv5 6.0](https://github.com/ultralytics/yolov5) [[pt]](https://github.com/ultralytics/yolov5/releases/tag/v6.0)
 * [YOLOv4x-Mish](https://github.com/AlexeyAB/darknet) [[cfg](https://raw.githubusercontent.com/AlexeyAB/darknet/master/cfg/yolov4x-mish.cfg)] [[weights](https://github.com/AlexeyAB/darknet/releases/download/darknet_yolo_v4_pre/yolov4x-mish.weights)]
 * [YOLOv4-CSP](https://github.com/WongKinYiu/ScaledYOLOv4/tree/yolov4-csp) [[cfg](https://raw.githubusercontent.com/AlexeyAB/darknet/master/cfg/yolov4-csp.cfg)] [[weights](https://github.com/AlexeyAB/darknet/releases/download/darknet_yolo_v4_pre/yolov4-csp.weights)]
@@ -285,7 +291,7 @@ config-file=config_infer_primary_yoloV2.txt
 
 ### YOLOv5 usage
 
-#### 1. Copy gen_wts_yoloV5.py from DeepStream-Yolo/utils to ultralytics/yolov5 folder
+#### 1. Copy gen_wts_yoloV5.py from DeepStream-Yolo/utils to [ultralytics/yolov5](https://github.com/ultralytics/yolov5) folder
 
 #### 2. Open the ultralytics/yolov5 folder
 
@@ -404,6 +410,87 @@ deepstream-app -c deepstream_app_config.txt
 
 ##
 
+### YOLOR usage
+
+**NOTE**: For now, available only for YOLOR-CSP, YOLOR-CSP*, YOLOR-CSP-X and YOLOR-CSP-X*.
+
+#### 1. Copy gen_wts_yolor.py from DeepStream-Yolo/utils to [yolor](https://github.com/WongKinYiu/yolor) folder
+
+#### 2. Open the yolor folder
+
+#### 3. Download pt file from [yolor](https://github.com/WongKinYiu/yolor) website
+
+#### 4. Generate wts file (example for YOLOR-CSP)
+
+```
+python3 gen_wts_yolor.py -w yolor_csp.pt -c cfg/yolor_csp.cfg
+```
+
+#### 5. Copy cfg and generated wts files to DeepStream-Yolo folder
+
+#### 6. Open DeepStream-Yolo folder
+
+#### 7. Compile lib
+
+* x86 platform
+
+```
+CUDA_VER=11.4 make -C nvdsinfer_custom_impl_Yolo
+```
+
+* Jetson platform
+
+```
+CUDA_VER=10.2 make -C nvdsinfer_custom_impl_Yolo
+```
+
+#### 8. Edit config_infer_primary_yolor.txt for your model (example for YOLOR-CSP)
+
+```
+[property]
+...
+# 0=RGB, 1=BGR, 2=GRAYSCALE
+model-color-format=0
+# CFG
+custom-network-config=yolor_csp.cfg
+# WTS
+model-file=yolor_csp.wts
+# Generated TensorRT model (will be created if it doesn't exist)
+model-engine-file=model_b1_gpu0_fp32.engine
+# Model labels file
+labelfile-path=labels.txt
+# Batch size
+batch-size=1
+# 0=FP32, 1=INT8, 2=FP16 mode
+network-mode=0
+# Number of classes in label file
+num-detected-classes=80
+...
+[class-attrs-all]
+# CONF_THRESH
+pre-cluster-threshold=0.25
+```
+
+#### 8. Change the deepstream_app_config.txt file
+
+```
+...
+[primary-gie]
+enable=1
+gpu-id=0
+gie-unique-id=1
+nvbuf-memory-type=0
+config-file=config_infer_primary_yolor.txt
+```
+
+#### 9. Run
+
+```
+deepstream-app -c deepstream_app_config.txt
+```
+
+##
+
 ### INT8 calibration
 
 #### 1. Install OpenCV

utils/gen_wts_yoloV5.py

@@ -8,7 +8,7 @@ from utils.torch_utils import select_device
 
 
 def parse_args():
-    parser = argparse.ArgumentParser(description="PyTorch conversion")
+    parser = argparse.ArgumentParser(description="PyTorch YOLOv5 conversion")
     parser.add_argument("-w", "--weights", required=True, help="Input weights (.pt) file path (required)")
     parser.add_argument("-c", "--yaml", help="Input cfg (.yaml) file path")
     parser.add_argument("-mw", "--width", help="Model width (default = 640 / 1280 [P6])")

utils/gen_wts_yolor.py

@@ -0,0 +1,43 @@
+import argparse
+import os
+import struct
+import torch
+from utils.torch_utils import select_device
+from models.models import Darknet
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description="PyTorch YOLOR conversion (main branch)")
+    parser.add_argument("-w", "--weights", required=True, help="Input weights (.pt) file path (required)")
+    parser.add_argument("-c", "--cfg", required=True, help="Input cfg (.cfg) file path (required)")
+    args = parser.parse_args()
+    if not os.path.isfile(args.weights):
+        raise SystemExit("Invalid weights file")
+    if not os.path.isfile(args.cfg):
+        raise SystemExit("Invalid cfg file")
+    return args.weights, args.cfg
+
+
+pt_file, cfg_file = parse_args()
+
+wts_file = pt_file.split(".pt")[0] + ".wts"
+
+device = select_device("cpu")
+model = Darknet(cfg_file).to(device)
+model.load_state_dict(torch.load(pt_file, map_location=device)["model"])
+model.to(device).eval()
+
+with open(wts_file, "w") as f:
+    wts_write = ""
+    conv_count = 0
+    for k, v in model.state_dict().items():
+        if not "num_batches_tracked" in k:
+            vr = v.reshape(-1).cpu().numpy()
+            wts_write += "{} {} ".format(k, len(vr))
+            for vv in vr:
+                wts_write += " "
+                wts_write += struct.pack(">f", float(vv)).hex()
+            wts_write += "\n"
+            conv_count += 1
+    f.write("{}\n".format(conv_count))
+    f.write(wts_write)