/usr/lib/x86_64-linux-gnu/libopencv_photo.so.3.2 is in libopencv-photo3.2 3.2.0+dfsg-4build2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libopencv_photo.so.3.2.0
/usr/lib/x86_64-linux-gnu/libopencv_photo.so.3.2.0