Spatial Pooling Strategies for Image Quality Assessment: Fixations and Human Prejudice

 
9783639288919: Spatial Pooling Strategies for Image Quality Assessment: Fixations and Human Prejudice

Recent image quality assessment (IQA) metrics achieve high correla- tion with human perception of image quality. Naturally, it is of interest to produce even better results. One promising method is to weight image quality measurements by visual importance. To this end, we describe three strate- gies - visual fixation-based weighting, quality- based weighting and weighting based on distribution of local quality scores about the mean. By contrast with some prior studies we find that these strategies can improve the correlations with subjective judgment significantly. We demonstrate improvements on the SSIM index in both its multi-scale and single-scale versions, using the LIVE database as a test-bed.

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About the Author:

Anush Krishna Moorthy received his B.E. from the University of Pune, India, in 2007 and his M.S. from The University of Texas at Austin, USA in 2009. He is currently pursuing his PhD in Electrical Engineering at The University of Texas at Austin. He is the Assistant Director of the Laboratory for Image and Video Engineering (LIVE) at UT.

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Book Description Book Condition: New. Publisher/Verlag: VDM Verlag Dr. Müller | Fixations and Human Prejudice | Recent image quality assessment (IQA) metrics achieve high correla- tion with human perception of image quality. Naturally, it is of interest to produce even better results. One promising method is to weight image quality measurements by visual importance. To this end, we describe three strate- gies - visual fixation-based weighting, quality- based weighting and weighting based on distribution of local quality scores about the mean. By contrast with some prior studies we find that these strategies can improve the correlations with subjective judgment significantly. We demonstrate improvements on the SSIM index in both its multi-scale and single-scale versions, using the LIVE database as a test-bed. | Format: Paperback | Language/Sprache: english | 96 gr | 220x150x3 mm | 60 pp. Bookseller Inventory # K9783639288919

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Book Description VDM Verlag Aug 2010, 2010. Taschenbuch. Book Condition: Neu. Neuware - Recent image quality assessment (IQA) metrics achieve high correla- tion with human perception of image quality. Naturally, it is of interest to produce even better results. One promising method is to weight image quality measurements by visual importance. To this end, we describe three strate- gies - visual fixation-based weighting, quality- based weighting and weighting based on distribution of local quality scores about the mean. By contrast with some prior studies we find that these strategies can improve the correlations with subjective judgment significantly. We demonstrate improvements on the SSIM index in both its multi-scale and single-scale versions, using the LIVE database as a test-bed. 60 pp. Englisch. Bookseller Inventory # 9783639288919

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