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A block-edge-pattern-based content descriptor in DCT domain

Jiang, J, Qiu, K and Xiao, G (2008) A block-edge-pattern-based content descriptor in DCT domain IEEE Transactions on Circuits and Systems for Video Technology, 18 (7). pp. 994-998.

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In this correspondence, we describe a robust and effective content descriptor based on block-edge patterns extracted in discrete cosine transform domain, which is suitable for applications in JPEG or MPEG compressed images and videos. This content descriptor is constructed by a run-length edge-block histogram with three patterns including horizontal edge, vertical edge and no edge. In comparison with existing descriptors, the proposed features: 1) low-cost computing suitable for real-time implementation and high-speed processing of compressed videos; 2) robust to orientation changes such as rotation, noise, reverse, etc.; 3) operates in compressed domain. Extensive experiments support that the proposed content descriptor is effective in describing visual content, and achieves superior performances in terms of retrieval precision and recall rates.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
Qiu, K
Xiao, G
Date : 2008
DOI : 10.1109/TCSVT.2008.924106
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:24
Last Modified : 24 Jan 2020 22:11

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