/usr/ is in libvisp-gui-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/gui/
/usr/include/x86_64-linux-gnu/visp3/gui/vpPlotCurve.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayOpenCV.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpPlotGraph.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayX.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpProjectionDisplay.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpWin32Window.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayGDI.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpWin32Renderer.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayD3D.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpWin32API.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpPlot.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayGTK.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpD3DRenderer.h
/usr/include/x86_64-linux-gnu/visp3/gui/vpDisplayWin32.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libvisp-gui-dev/
/usr/share/doc/libvisp-gui-dev/copyright
/usr/lib/x86_64-linux-gnu/libvisp_gui.so
/usr/share/doc/libvisp-gui-dev/changelog.Debian.gz