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IEICE Trans

Naoya SAGARA

Non-reference and Absolute Spatial Blur Estimation from Decoded Picture Only
Naoya SAGARA Takayuki SUZUKI Kenji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1256-1258
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: Quality Metrics
Keyword: 
DCT coding, spatial blur, non-reference estimation, spatial frequency, 
 Summary | Full Text:PDF
Non-reference Quality Estimation for Temporal Degradation of Coded Picture
Kenji SUGIYAMA Naoya SAGARA Ryo OKAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 519-524
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Evaluation
Keyword: 
video coding, group of picture, temporal noise, non reference estimation, 
 Summary | Full Text:PDF
Linearity Improvement of Mosquito Noise Level Estimation from Decoded Picture
Naoya SAGARA Yousuke KASHIMURA Kenji SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/02/01
Vol. E94-A  No. 2  pp. 548-551
Type of Manuscript:  Special Section LETTER (Special Section on Image Media Quality)
Category: Evaluation
Keyword: 
DCT coding, block artifact, mosquito noise, non reference estimation, 
 Summary | Full Text:PDF
Estimation of Mosquito Noise Level from Decoded Picture
Kenji SUGIYAMA Naoya SAGARA Yohei KASHIMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3291-3296
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Evaluation
Keyword: 
DCT coding, block artifact, mosquito noise, non reference estimation, 
 Summary | Full Text:PDF