IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Special Section on Image Media Quality
Non-reference and Absolute Spatial Blur Estimation from Decoded Picture Only
Naoya SAGARA, Takayuki SUZUKI, Kenji SUGIYAMA
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Keywords: DCT coding, spatial blur, non-reference estimation, spatial frequency
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2012 Volume E95.A Issue 8 Pages 1256-1258

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Abstract
The non-reference method is widely useful to estimation picture quality on the decoder side. In this paper, we discuss the estimation method for spatial blur that divides the frequency zones by the absolute value of 64 coefficients with an 8-by-8 DCT and compares them. It is recognized that absolute blur estimation is possible with the decoded picture only.
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© 2012 The Institute of Electronics, Information and Communication Engineers
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