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- W2024254250 abstract "Currently, popular search engines retrieve documents on the basis of text information. However, integrating the visual information with the text-based search for video and image retrieval is still a hot research topic. In this paper, we propose and evaluate a video search framework based on using visual information to enrich the classic text-based search for video retrieval. The framework extends conventional text-based search by fusing together text and visual scores, obtained from video subtitles (or automatic speech recognition) and visual concept detectors respectively. We attempt to overcome the so called problem of semantic gap by automatically mapping query text to semantic concepts. With the proposed framework, we endeavor to show experimentally, on a set of real world scenarios, that visual cues can effectively contribute to the quality improvement of video retrieval. Experimental results show that mapping text-based queries to visual concepts improves the performance of the search system. Moreover, when appropriately selecting the relevant visual concepts for a query, a very significant improvement of the system's performance is achieved." @default.
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- W2024254250 date "2014-04-01" @default.
- W2024254250 modified "2023-10-16" @default.
- W2024254250 title "When textual and visual information join forces for multimedia retrieval" @default.
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- W2024254250 doi "https://doi.org/10.1145/2578726.2578760" @default.
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