/usr/ is in libvisp-mbt-dev 3.0.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/include/
/usr/include/x86_64-linux-gnu/
/usr/include/x86_64-linux-gnu/visp3/
/usr/include/x86_64-linux-gnu/visp3/mbt/
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbTracker.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbKltTracker.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtDistanceCircle.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtPolygon.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtDistanceCylinder.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtMeLine.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbEdgeTracker.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtDistanceLine.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtDistanceKltCylinder.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtXmlParser.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbHiddenFaces.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtMeEllipse.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbEdgeKltTracker.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbXmlParser.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbScanLine.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtEdgeKltXmlParser.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtDistanceKltPoints.h
/usr/include/x86_64-linux-gnu/visp3/mbt/vpMbtKltXmlParser.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libvisp-mbt-dev/
/usr/share/doc/libvisp-mbt-dev/copyright
/usr/lib/x86_64-linux-gnu/libvisp_mbt.so
/usr/share/doc/libvisp-mbt-dev/changelog.Debian.gz