基于ncnn的yolov5部署 实现调用摄像头完成目标检测 同时提供了一种demo编译方法 export ncnn_DIR={yourncnnpath}/ncnn/build/install/lib/cmake/ncnn mkdir build cd build cmake .. make -j8 环境 ubuntu20.04 opencv 3.1.3 ncnn Tips make sure file {yolov5.param yolov5.bin} in build file or with the file yolov5_demo in same file