colmap gpu服务器安装

1.官方安装说明
https://colmap.github.io/install.html
后边有编译支持gpu的步骤！！！

2.sudo apt-get install libgtest-dev

3.cmakelists.txt 250行+
set(CMAKE_CUDA_ARCHITECTURES “native”)

4.
sudo apt-get install libqt5core5a
sudo strip --remove-section=.note.ABI-tag /lib/x86_64-linux-gnu/libQt5Core.so.5

5. 重建示例
   https://blog.csdn.net/qq_30565883/article/details/127907414
   colmap feature_extractor --database_path house.db --image_path images --SiftExtraction.use_gpu 1
   colmap exhaustive_matcher --database_path house.db --SiftMatching.use_gpu 1
   mkdir sparse
   colmap mapper --database_path house.db --image_path images --output_path sparse --Mapper.num_threads 8