发明申请
- 专利标题: Automatic Video Recommendation
- 专利标题(中): 自动视频推荐
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申请号: US11771219申请日: 2007-06-29
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公开(公告)号: US20090006368A1公开(公告)日: 2009-01-01
- 发明人: Tao Mei , Xian-Sheng Hua , Bo Yang , Linjun Yang , Shipeng Li
- 申请人: Tao Mei , Xian-Sheng Hua , Bo Yang , Linjun Yang , Shipeng Li
- 申请人地址: US WA Redmond
- 专利权人: MICROSOFT CORPORATION
- 当前专利权人: MICROSOFT CORPORATION
- 当前专利权人地址: US WA Redmond
- 主分类号: G06F17/30
- IPC分类号: G06F17/30 ; G06F3/00
摘要:
Automatic video recommendation is described. The recommendation does not require an existing user profile. The source videos are directly compared to a user selected video to determine relevance, which is then used as a basis for video recommendation. The comparison is performed with respect to a weighted feature set including at least one content-based feature, such as a visual feature, an aural feature and a content-derived textural feature. Multimodal implementation including multimodal features (e.g., visual, aural and textural) extracted from the videos is used for more reliable relevance ranking. One embodiment uses an indirect textural feature generated by automatic text categorization based on a set of predefined category hierarchy. Another embodiment uses self-learning based on user click-through history to improve relevance ranking.
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