Strategies for searching video content with text queries or video examples
Yu, SI
Xu, S
Ma, Z
Li, H
Hauptmann, AG
Chang, X
Yang, Y
Meng, D
Lin, M
Lan, Z
Gan, C
Xu, Z
Mao, Z
Li, X
Jiang, L
Du, X
Yang, Y
Meng, D
Lin, M
Lan, Z
Gan, C
Xu, Z
Mao, Z
Li, X
Jiang, L
Du, X
- Publication Type:
- Journal Article
- Citation:
- ITE Transactions on Media Technology and Applications, 2016, 4 (3), pp. 227 - 238
- Issue Date:
- 2016-01-01
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© 2016 by ITE Transactions on Media Technology and Applications (MTA). The large number of user-generated videos uploaded on to the Internet everyday has led to many commercial video search engines, which mainly rely on text metadata for search. However, metadata is often lacking for user-generated videos, thus these videos are unsearchable by current search engines. Therefore, content-based video retrieval (CBVR) tackles this metadata-scarcity problem by directly analyzing the visual and audio streams of each video. CBVR encompasses multiple research topics, including low-level feature design, feature fusion, semantic detector training and video search/reranking. We present novel strategies in these topics to enhance CBVR in both accuracy and speed under different query inputs, including pure textual queries and query by video examples. Our proposed strategies have been incorporated into our submission for the TRECVID 2014 Multimedia Event Detection evaluation, where our system outperformed other submissions in both text queries and video example queries, thus demonstrating the effectiveness of our proposed approaches.
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