Why We Watch the News: A Dataset for Exploring Sentiment in Broadcast Video News.

ABSTRACTWe present a multimodal sentiment study performed on a novel collection of videos mined from broadcast and cable television news programs. To the best of our knowledge, this is the first dataset released for studying sentiment in the domain of broadcast video news. We describe our algorithm for the processing and creation of person-specific segments from news video, yielding 929 sentence-length videos, and are annotated via Amazon Mechanical Turk. The spoken transcript and the video content itself are each annotated for their expression of positive, negative or neutral sentiment. Based on these gathered user annotations, we demonstrate for news video the importance of taking into account multimodal information for sentiment prediction, and in particular, challenging previous text-based approaches that rely solely on available transcripts. We show that as much as 21.54% of the sentiment annotations for transcripts differ from their respective sentiment annotations when the video clip itself is presented. We present audio and visual classification baselines over a three-way sentiment prediction of positive, negative and neutral, as well as person-dependent versus person-independent classification influence on performance. Finally, we release the News Rover Sentiment dataset to the greater research community.