/usr/ is in libpolled-camera-dev 1.11.11-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/polled_camera/
/usr/include/polled_camera/GetPolledImage.h
/usr/include/polled_camera/GetPolledImageRequest.h
/usr/include/polled_camera/GetPolledImageResponse.h
/usr/include/polled_camera/publication_server.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/polled_camera.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libpolled-camera-dev/
/usr/share/doc/libpolled-camera-dev/copyright
/usr/share/polled_camera/
/usr/share/polled_camera/cmake/
/usr/share/polled_camera/cmake/polled_camera-msg-extras.cmake
/usr/share/polled_camera/cmake/polled_camera-msg-paths.cmake
/usr/share/polled_camera/cmake/polled_cameraConfig-version.cmake
/usr/share/polled_camera/cmake/polled_cameraConfig.cmake
/usr/share/polled_camera/package.xml
/usr/share/polled_camera/srv/
/usr/share/polled_camera/srv/GetPolledImage.srv
/usr/lib/x86_64-linux-gnu/libpolled_camera.so
/usr/share/doc/libpolled-camera-dev/changelog.Debian.gz