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Objective Image Quality Metric for Block-Based DCT Image Coder-using Structural Distortion Measurement  

Jeong, Tae Yun (강릉대 정보전자공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers C / v.52, no.7, 2003 , pp. 434-434 More about this Journal
Abstract
This paper proposes a new quantitative and objective image quality metric which is essential to verify the performance of block-based DCT image coding The proposed metric considers not only global distortion of coded image such as spatial frequency sensitivity and channel masking using HVS based multi-channel model, but also structural distortions caused block-based coding. The experimental results show a strong correlation between propose(B metric and subjective metric.
Keywords
Image quality metric; vision model; human visual system; blocking artifacts; ringing artifacts;
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