/usr/include/x86_64-linux-gnu/ is in libvisp-sensor-dev 3.1.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/include/x86_64-linux-gnu/visp3/
/usr/include/x86_64-linux-gnu/visp3/sensor/
/usr/include/x86_64-linux-gnu/visp3/sensor/vp1394CMUGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vp1394TwoGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpComedi.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpDirectShowDevice.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpDirectShowGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpDirectShowGrabberImpl.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpDirectShowSampleGrabberI.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpFlyCaptureGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpForceTorqueAtiSensor.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpKinect.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpLaserScan.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpLaserScanner.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpOpenCVGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpPylonFactory.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpPylonGrabber.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpRealSense.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpRealSense2.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpScanPoint.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpSickLDMRS.h
/usr/include/x86_64-linux-gnu/visp3/sensor/vpV4l2Grabber.h
/usr/include/x86_64-linux-gnu/visp3/visp_sensor.h