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A Mean-Edge Structural Similarity for Image Quality Assessment

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2 Author(s)
Li-Xiong Liu ; Sch. of Comput. Sci. & Technol., BIT, Beijing, China ; Yuan-Quan Wang

Recent studies have found that adoption of structural similarity index (SSIM) was successful in reflecting human visual characteristics better compared with traditional peak signal-to-noise ratio (PSNR) metrics. However, this method shows some weaknesses when evaluating the quality of blurred images and noise images. Good quality results were hardly achieved as they do not match the human visual system(HVS) well. In this paper, we propose an improved image quality assessment algorithm based on mean-edge structural similarity (MESSIM). Edge information is considered sufficiently in image quality assessment. More specifically, the distortion metric of edge structure is assessed. The experimental results have demonstrated better consistency with the subjective perception for a large range of image types.

Published in:

Fuzzy Systems and Knowledge Discovery, 2009. FSKD '09. Sixth International Conference on  (Volume:5 )

Date of Conference:

14-16 Aug. 2009