Issue #21: added python script showing diff images of all frames of a video file pair (Merge branch '21-video-writer-add-quantitative-comparison' into 21-video-writer)
Issue #21: added python script showing diff images of all frames of a video file pair
(Merge branch '21-video-writer-add-quantitative-comparison' into 21-video-writer)

gift-surg/GIFT-Grab,gift-surg/GIFT-Grab,gift-surg/GIFT-Grab,gift-surg/GIFT-Grab