/usr/ is in libimage-transport-dev 1.11.11-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/
/usr/include/image_transport/
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/include/image_transport/camera_common.h
/usr/include/image_transport/camera_publisher.h
/usr/include/image_transport/camera_subscriber.h
/usr/include/image_transport/exception.h
/usr/include/image_transport/image_transport.h
/usr/include/image_transport/loader_fwds.h
/usr/include/image_transport/publisher.h
/usr/include/image_transport/publisher_plugin.h
/usr/include/image_transport/raw_publisher.h
/usr/include/image_transport/raw_subscriber.h
/usr/include/image_transport/simple_publisher_plugin.h
/usr/include/image_transport/simple_subscriber_plugin.h
/usr/include/image_transport/single_subscriber_publisher.h
/usr/include/image_transport/subscriber.h
/usr/include/image_transport/subscriber_filter.h
/usr/include/image_transport/subscriber_plugin.h
/usr/include/image_transport/transport_hints.h
/usr/lib/x86_64-linux-gnu/pkgconfig/image_transport.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libimage-transport-dev/
/usr/share/doc/libimage-transport-dev/copyright
/usr/share/image_transport/
/usr/share/image_transport/cmake/
/usr/share/image_transport/cmake/image_transportConfig-version.cmake
/usr/share/image_transport/cmake/image_transportConfig.cmake
/usr/lib/x86_64-linux-gnu/libimage_transport.so
/usr/share/doc/libimage-transport-dev/changelog.Debian.gz