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RTDETR_Paddle.md

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RT-DETR Paddle usage

NOTE: https://github.com/lyuwenyu/RT-DETR/tree/main/rtdetr_paddle version.

Convert model

1. Download the PaddleDetection repo and install the requirements

https://github.com/PaddlePaddle/PaddleDetection/blob/release/2.7/docs/tutorials/INSTALL.md

git clone https://github.com/lyuwenyu/RT-DETR.git
cd RT-DETR/rtdetr_paddle
pip3 install -r requirements.txt
pip3 install onnx onnxsim onnxruntime paddle2onnx

NOTE: It is recommended to use Python virtualenv.

2. Copy conversor

Copy the export_rtdetr_paddle.py file from DeepStream-Yolo/utils directory to the RT-DETR/rtdetr_paddle folder.

3. Download the model

Download the pdparams file from RT-DETR Paddle releases (example for RT-DETR-R50)

wget https://bj.bcebos.com/v1/paddledet/models/rtdetr_r50vd_6x_coco.pdparams

NOTE: You can use your custom model.

4. Convert model

Generate the ONNX model file (example for RT-DETR-R50)

python3 export_rtdetr_paddle.py -w rtdetr_r50vd_6x_coco.pdparams -c configs/rtdetr/rtdetr_r50vd_6x_coco.yml --dynamic

NOTE: To simplify the ONNX model (DeepStream >= 6.0)

--simplify

NOTE: To use dynamic batch-size (DeepStream >= 6.1)

--dynamic

NOTE: To use static batch-size (example for batch-size = 4)

--batch 4

NOTE: If you are using the DeepStream 5.1, remove the --dynamic arg and use opset 12 or lower. The default opset is 16.

--opset 12

5. Copy generated files

Copy the generated ONNX model file and labels.txt file (if generated) to the DeepStream-Yolo folder.

Compile the lib

  1. Open the DeepStream-Yolo folder and compile the lib

  2. Set the CUDA_VER according to your DeepStream version

export CUDA_VER=XY.Z
  • x86 platform

    DeepStream 7.0 / 6.4 = 12.2
    DeepStream 6.3 = 12.1
    DeepStream 6.2 = 11.8
    DeepStream 6.1.1 = 11.7
    DeepStream 6.1 = 11.6
    DeepStream 6.0.1 / 6.0 = 11.4
    DeepStream 5.1 = 11.1
    
  • Jetson platform

    DeepStream 7.0 / 6.4 = 12.2
    DeepStream 6.3 / 6.2 / 6.1.1 / 6.1 = 11.4
    DeepStream 6.0.1 / 6.0 / 5.1 = 10.2
    
  1. Make the lib
make -C nvdsinfer_custom_impl_Yolo clean && make -C nvdsinfer_custom_impl_Yolo

Edit the config_infer_primary_rtdetr file

Edit the config_infer_primary_rtdetr.txt file according to your model (example for RT-DETR-R50 with 80 classes)

[property]
...
onnx-file=rtdetr_r50vd_6x_coco.onnx
...
num-detected-classes=80
...
parse-bbox-func-name=NvDsInferParseYolo
...

NOTE: The RT-DETR do not resize the input with padding. To get better accuracy, use

[property]
...
maintain-aspect-ratio=0
...

Edit the deepstream_app_config file

...
[primary-gie]
...
config-file=config_infer_primary_rtdetr.txt

Testing the model

deepstream-app -c deepstream_app_config.txt

NOTE: The TensorRT engine file may take a very long time to generate (sometimes more than 10 minutes).

NOTE: For more information about custom models configuration (batch-size, network-mode, etc), please check the docs/customModels.md file.