Fig. 2
From: When face-tracking meets social networks: a story of politics in news videos
The overall framework of a news video analysis. (1) The video is segmented into topics (red) and shots (blue). (2) Faces are detected in each frame. (3) Point tracks are inserted and matched across faces creating face-tracks. (4) Tracks are sampled and clustered to obtain the final face-tracks for each individual (5). Image copyright NHK (Japan Broadcasting Corporation) All rights reserved