without onnx parser
ubuntu18.04 cuda-11.1 tensorrt-7.2.2.3 opencv
git clone https://github.com/WongKinYiu/yolov7.git
cp {trt_yolov7}/gen_wts.py {WongKinYiu}/yolov7
cd {WongKinYiu}/yolov7
wget https://github.com/WongKinYiu/yolov7/releases/download/v0.1/yolov7-tiny.pt
python gen_wts.py
cp {WongKinYiu}/yolov7-tiny.wts {trt_yolov7}/
cd {trt_yolov7}
vim cmakelists.txt and set tensort path; this depend opencv cuda tensorrt
mkdir build
cd build
cmake ..
make
./demo -s ../yolov7-tiny.wts ../yolov7-tiny.engine
./demo -d ../yolov7-tiny.engine ../image/test.jpeg