/usr/bin/opencv_visualisation

hwloc/linux: failed to find sysfs cpu topology directory, aborting linux discovery.
Usage: opencv_visualisation [params]

	-?, -h, --help, --usage (value:true)
		show this message
	-d, --data
		(optional) path to video output folder
	--ext (value:avi)
		(optional) output video file extension e.g. avi (default) or mp4
	--fourcc (value:XVID)
		(optional) output video file's 4-character codec e.g. XVID (default) or H264
	--fps (value:15)
		(optional) output video file's frames-per-second rate
	-i, --image
		(required) path to reference image
	-m, --model
		(required) path to cascade xml file

Limits of the current interface:
 - Only handles cascade classifier models, trained with the opencv_traincascade tool, containing stumps as decision trees [default settings].
 - The image provided needs to be a sample window with the original model dimensions, passed to the --image parameter.
 - ONLY handles HAAR and LBP features.