Demonstration of applying a selection of CIFilters (CICMYKHalftone, CIComicEffect, CIEdges, CIColorInvert, CIPointillize, CILineOverlay and CIColorPosterize) to a live video feed.
Project for this blog post: http://flexmonkey.blogspot.co.uk/2015/07/applying-cifilters-to-live-camera-feed.html