1. A method comprising: segmenting each frame of a video into its semantic components to identify one or more subjects within each frame scene based on a respective group of pixels, wherein the video is a part of media; receiving a selection of one or more subjects within a given frame scene; tracking the one or more subjects from frame to frame of the video to identify the respective group of pixels comprising the one or more subjects in each frame; and alpha-matting the media to isolate the one or more selected subjects from frame to frame.