opencv编译安装缺少文件
cd ./cache/xfeatures2d/ cd boostdesc
curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_lbgm.i -o 0ae0675534aa318d9668f2a179c2a052-boostdesc_lbgm.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_binboost_256.i -o e6dcfa9f647779eb1ce446a8d759b6ea-boostdesc_binboost_256.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_binboost_128.i -o 98ea99d399965c03d555cef3ea502a0b-boostdesc_binboost_128.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_binboost_064.i -o 202e1b3e9fec871b04da31f7f016679f-boostdesc_binboost_064.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_bgm_hd.i -o 324426a24fa56ad9c5b8e3e0b3e5303e-boostdesc_bgm_hd.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_bgm_bi.i -o 232c966b13651bd0e46a1497b0852191-boostdesc_bgm_bi.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/34e4206aef44d50e6bbcd0ab06354b52e7466d26/boostdesc_bgm.i -o 0ea90e7a8f3f7876d450e4149c97c74f-boostdesc_bgm.i
cd ../vgg curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d/vgg_generated_120.i -o 151805e03568c9f490a5e3a872777b75-vgg_generated_120.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d/vgg_generated_64.i -o 7126a5d9a8884ebca5aea5d63d677225-vgg_generated_64.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d/vgg_generated_48.i -o e8d0dcd54d1bcfdc29203d011a797179-vgg_generated_48.i curl https://raw.githubusercontent.com/opencv/opencv_3rdparty/fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d/vgg_generated_80.i -o 7cd47228edec52b6d82f46511af325c5-vgg_generated_80.i