/usr/include/image_transport/ is in libimage-transport-dev 1.11.10-5.
This file is owned by root:root, with mode 0o755.
..
/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