Collaborative Video Scene Annotation Based on Tag Cloud

Authors:
Daisuke Yamamoto;Tomoki Masuda;Shigeki Ohira;Katashi Nagao
Affiliations:
Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan 464-8603 and Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Japan 466-8655;Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan 464-8603;Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan 464-8603;Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Japan 464-8603
Venue:
PCM '08 Proceedings of the 9th Pacific Rim Conference on Multimedia: Advances in Multimedia Information Processing
Year:
2008

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Abstract

In this paper, we propose a video scene annotation method based on tag clouds. First, user comments associated with a video are collected from existing video sharing services. Next, a tag cloud is generated from these user comments. The tag cloud is displayed on the video window of the Web browser. When users click on a tag included in the tag cloud while watching the video, the tag gets associated with the time point of the video. Users can share the information on the tags that have already been clicked. We confirmed that the coverage of annotations generated by this method is higher than that of the existing methods, and users are motivated to add tags by using tag-sharing and tag-cloud methods. This method assists in establishing highly accurate advanced video applications.