Takao NISHITANI


Transform Domain Shadow Removal for Foreground Silhouette
Toshiaki SHIOTA Kazuki NAKAGAMI Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/03/01
Vol. E96-A  No. 3  pp. 667-674
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
shadow removalforeground segmentationtransform domainsimplified algorithm
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No-Reference Quality Estimation for Video-Streaming Services Based on Error-Concealment Effectiveness
Toru YAMADA Yoshihiro MIYAMOTO Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/11/01
Vol. E95-A  No. 11  pp. 2007-2014
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Multimedia Environment Technology
Keyword: 
video quality estimationno referencerealtime monitoringtransmission errorerror concealment
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No-Reference Quality Estimation for Compressed Videos Based on Inter-Frame Activity Difference
Toru YAMADA Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1240-1246
Type of Manuscript:  Special Section PAPER (Special Section on Image Media Quality)
Category: Quality Metrics
Keyword: 
video quality estimationno referencecompressed videosactivity
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Reduced-Reference Video Quality Estimation Using Representative Luminance
Toru YAMADA Yoshihiro MIYAMOTO Masahiro SERIZAWA Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/05/01
Vol. E95-A  No. 5  pp. 961-968
Type of Manuscript:  PAPER
Category: Measurement Technology
Keyword: 
video quality estimationreduced referencePSNRreal-time monitoringlow-bit-rate information extraction
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Efficient Image Enhancement Algorithm Using Multi-Rate Image Processing
Takeshi OKUNO Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/05/01
Vol. E93-A  No. 5  pp. 958-965
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image enhancementretinexmulti-scale retinexmulti-rate signal processingpre-processing
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Multiresolutional Gaussian Mixture Model for Precise and Stable Foreground Segmentation in Transform Domain
Hiroaki TEZUKA Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 772-778
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
foreground segmentationGaussian mixture modelfine-to-coarse strategyWalsh transformvariable block size
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A Stereo Echo Canceler with Input Slides and Counter-Lateralization
Akihiko SUGIYAMA Yann JONCOUR Akihiro HIRANO Takao NISHITANI Gerard FAUCON 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1776-1787
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
echo cancelerstereoidentificationadaptive filter
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Performance Evaluation of the AV CODEC on a Low-Power SPXK5SC DSP Core
Takahiro KUMURA Norio KAYAMA Shinichi SHIONOYA Kazuo KUMAGIRI Takao KUSANO Makoto YOSHIDA Masao IKEKAWA Ichiro KURODA Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/06/01
Vol. E88-D  No. 6  pp. 1224-1230
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
MPEG-4DSPVLIWlow-power
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Low-Power Architectures for Programmable Multimedia Processors
Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 184-196
Type of Manuscript:  INVITED PAPER (Special Section on VLSI for Digital Signal Processing)
Category: 
Keyword: 
multimedia processorsSOCASICMPUDSP
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Wavelet Picture Coding with Transform Coding Approach
Mutsumi OHTA Mitsuharu YANO Takao NISHITANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/07/25
Vol. E75-A  No. 7  pp. 776-785
Type of Manuscript:  INVITED PAPER (Special Section on Multidimensional Signal Processing)
Category: 
Keyword: 
transform codingsubband codingorthonormal waveletQMFCQFentropy codingpicture coding
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The Duo-Multiplication
Takao NISHITANI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1981/05/25
Vol. E64-E  No. 5  pp. 350-356
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
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