/usr/ is in libvisp-ar-dev 3.0.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/include/x86_64-linux-gnu/
/usr/include/x86_64-linux-gnu/visp3/
/usr/include/x86_64-linux-gnu/visp3/ar/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/include/
/usr/include/x86_64-linux-gnu/visp3/ar/vpAROgre.h
/usr/include/x86_64-linux-gnu/visp3/ar/vpSimulatorException.h
/usr/include/x86_64-linux-gnu/visp3/ar/vpViewer.h
/usr/include/x86_64-linux-gnu/visp3/ar/vpAR.h
/usr/include/x86_64-linux-gnu/visp3/ar/vpSimulator.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libvisp-ar-dev/
/usr/share/doc/libvisp-ar-dev/copyright
/usr/lib/x86_64-linux-gnu/libvisp_ar.so
/usr/share/doc/libvisp-ar-dev/changelog.Debian.gz