/usr/include/ is in libopencv-videostab-dev 2.4.9.1+dfsg-1+deb8u1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/opencv2/
/usr/include/opencv2/videostab/
/usr/include/opencv2/videostab/videostab.hpp
/usr/include/opencv2/videostab/stabilizer.hpp
/usr/include/opencv2/videostab/optical_flow.hpp
/usr/include/opencv2/videostab/motion_stabilizing.hpp
/usr/include/opencv2/videostab/log.hpp
/usr/include/opencv2/videostab/inpainting.hpp
/usr/include/opencv2/videostab/global_motion.hpp
/usr/include/opencv2/videostab/frame_source.hpp
/usr/include/opencv2/videostab/fast_marching_inl.hpp
/usr/include/opencv2/videostab/fast_marching.hpp
/usr/include/opencv2/videostab/deblurring.hpp