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Real-time shot-cut detection in a compressed domain

Jiang, J, Li, Z, Xiao, G and Chen, J (2007) Real-time shot-cut detection in a compressed domain Journal of Electronic Imaging, 16 (4).

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We propose a fast and simple shot-cut detection algorithm, which directly operates in a compressed domain and is suitable for real-time implementation. The proposed algorithm exploits the existing MPEG techniques by examining the prediction status for each macro-block inside the B and P frames. As a result, locating both abrupt and dissolved shot cuts is operated by a sequence of comparison tests; thus, no feature extraction or histogram differentiation is needed. Although the description of the algorithm is primarily based on MPEG-1 and MPEG-2 streams, the scheme can be readily extended to other video compression standards such as MPEG-4 and H.264 by following the principle on monitoring: (1) balance between forward prediction and backward prediction; and (2) boundaries among the P, B, and I frames. Extensive experiments illustrate that the proposed algorithm outperforms similar existing algorithms, providing a useful technique for fast and online video content processing. © 2007 SPIE and IS&T.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Li, Z
Xiao, G
Chen, J
Date : 1 December 2007
DOI : 10.1117/1.2812550
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:24
Last Modified : 24 Jan 2020 22:11

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