Abstract
In the age of data processing, news videos are rich mines of information. After all, the news are essentially created to convey information to the public. But can we go beyond what is directly presented to us and see a wider picture? Many works already focus on what we can discover and understand from the analysis of years of news broadcasting. These analysis bring monitoring and understanding of the activity of public figures, political strategies, explanation and even prediction of critical media events. Such tools can help public figures in managing their public image, as well as support the work of journalists, social scientists and other media experts. News analysis can also be seen from the lens of complex systems, gathering many types of entities, attributes and interactions over time. As many public figures intervene in different news stories, a first interesting task is to observe the social interactions between these actors. Towards this goal, we propose to use video analysis to automatise the process of constructing social networks directly from news video archives. In this paper we are introducing a system deriving multiple social networks from face detections in news videos. We present preliminary results obtained from analysis of these networks, by monitoring the activity of more than a hundred public figures. We finally use these networks as a support for political studies and we provide an overview of the political landscape presented by the Japanese public broadcaster NHK over a decade of the 7 PM news archives.Electronic supplementary materialThe online version of this article (doi:10.1007/s41109-016-0003-2) contains supplementary material, which is available to authorized users.
Highlights
In the recent years, the publication of news information has migrated from the traditional means of newspapers, radio, and television to the wider audience offered by the Internet
We present in “A tool for social analysis” Section social analysis insights of the politico-media landscape of the 12 years of NHK supported by the social networks derived
We introduce the segmentation of news, the face detection and tracking, and some domain knowledge
Summary
The publication of news information has migrated from the traditional means of newspapers, radio, and television to the wider audience offered by the Internet. News analysis is going beyond, with image information being investigated across all varieties of media (Hervé et al 2013). The analysis of news information is key to a wide variety of tasks, from sociology and journalism to politics and economy (Cagé 2014). It could help the comprehension of user behavior such as what kind of information a category of users can be exposed to (Resnick et al 2013). It could bring new quantitative tools to overcome the limitations of technocratic measures in the investigation of freedom of information
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