期刊
IEEE SIGNAL PROCESSING LETTERS
卷 21, 期 1, 页码 122-125出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSP.2013.2294333
关键词
Blocking artifact; image quality assessment; Tchebichef moment
资金
- National Natural Science Foundation of China [61379143, 51204175, U1261105]
- Fundamental Research Funds for the Central Universities [2012QNA59]
This letter presents a Referenceless quality Measure of Blocking artifacts (RMB) using Tchebichef moments. It is based on the observation that Tchebichef kernels with different orders have varying abilities to capture blockiness. In a block manner, high- odd- order moments are computed to score the blocking artifacts. The blockiness scores are furtherweighted to incorporate the characteristic of Human Visual System (HVS), which is achieved by classifying the blocks into smooth and textured. Experimental results and comparisons demonstrate the advantage of the proposed method.
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