Fig. 1From: When face-tracking meets social networks: a story of politics in news videos a - Most of the programs last 30 min, but some of them may be longer or shorter due to some events like commemorative dates. b - We average around 13 topics per day. c - Topic segmentation is statistically determined, but most of the news are well covered; only a few topics show large gaps between segmentation (d) so we can expect a good overlap with face trackingBack to article page