hed-cpp 依存关系 Libtorch 1.7.1 OpenCV 4.5.1 CMake 3.0或更高 Microsoft Visual Studio 2019 设置 git clone https://github.com/michelle-aubin/hed-cpp.git cd hed-cpp mkdir build cd build cmake -DCMAKE_PREFIX_PATH=/path/to/libtorch .. cmake --build . --config Re