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Extracting objects and events from MPEG videos for highlight-based indexing and retrieval

Ren, J, Jiang, J, Chen, J and Ipson, SS (2010) Extracting objects and events from MPEG videos for highlight-based indexing and retrieval Journal of Multimedia, 5 (2). pp. 95-103.

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Automatic recognition of highlights from videos is a fundamental and challenging problem for content-based indexing and retrieval applications. In this paper, we propose techniques to solve this problem using knowledge supported extraction of semantics, and compressed-domain processing is employed for efficiency. Firstly, knowledgebased rules are utilized for shot detection on extracted DCimages, and statistical skin detection is applied for human object detection. Secondly, through filtering outliers in motion vectors, improved detection of camera motions like zooming, panning and tilting are achieved. Video highlight high-level semantics are then automatically extracted via low-level analysis in the detection of human objects and camera motion events, and finally these highlights are taken for shot-level annotation, indexing and retrieval. Results using a large test video data set have demonstrated the accuracy and robustness of the proposed techniques.

Item Type: Article
Authors :
Date : 2010
Identification Number : 10.4304/jmm.5.2.95-103
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:25
Last Modified : 17 May 2017 15:03

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