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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2006, Vol. 7 Issue (Supplement 1): 95-100    DOI: 10.1631/jzus.2006.AS0095
Original Paper     
A no-reference blocking artifact metric for B-DCT video
Yang Fu-Zheng, Wan Shuai, Chang Yi-Lin, Luo Zhong
National Key Lab on ISN, Xidian University, Xi’an 710071, China; Multimedia and Vision Research Laboratory, Electronic Engineering Department Queen Mary, University of London, London E1 4NS,UK; Huawei Technology Limited Cooperation, Shenzhen 518057, China
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Abstract  A new no-reference blocking artifact metric for B-DCT compression video is presented in this paper. We first present a new definition of blocking artifact and a new method for measuring perceptive blocking artifact based on HVS taking into account the luminance masking and activity masking characteristic. Then, we propose a new concept of blocking artifact cluster and the algorithm for clustering blocking artifacts. Considering eye movement and fixation, we select several clusters with most serious blocking artifacts and utilize the average of their blocking artifacts to assess the total blocking artifact of B-DCT reconstructed video. Experimental results illustrating the performance of the proposed method are presented and evaluated.

Key words： Blocking artifact cluster      Blocking artifact metric      HVS      Video quality assessment     
Received: 30 November 2005     
CLC:  TN919.8  
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Yang Fu-Zheng
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Yang Fu-Zheng, Wan Shuai, Chang Yi-Lin, Luo Zhong. A no-reference blocking artifact metric for B-DCT video. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(Supplement 1): 95-100.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2006.AS0095     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2006/V7/ISupplement 1/95

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