The ctt would not work if only passed alsc images.
Add alsc_only.py to run alsc calibration only, and modify check_imgs
to allow for no macbeth chart images.
Example usage would be ./alsc_only.py -i tuning-images/ -o sensor.json
with the same optional arguments as the original ctt.
Signed-off-by: William Vinnicombe <william.vinnicombe@raspberrypi.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
