Takayuki NAKACHI


Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation
Takahiro MAEKAWA Ayana KAWAMURA Takayuki NAKACHI Hitoshi KIYA 
Publication:   
Publication Date: 2019/12/01
Vol. E102-A  No. 12  pp. 1849-1855
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: Image
Keyword: 
support vector machineprivacy-preservingrandom unitary transformation
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FOREWORD
Takayuki NAKACHI Makoto NAKASHIZUKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/11/01
Vol. E99-A  No. 11  pp. 1907-1908
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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Layered Multicast Encryption of Motion JPEG2000 Code Streams for Flexible Access Control
Takayuki NAKACHI Kan TOYOSHIMA Yoshihide TONOMURA Tatsuya FUJII 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1301-1312
Type of Manuscript:  Special Section PAPER (Special Section on Recent Advances in Multimedia Signal Processing Techniques and Applications)
Category: Video Processing
Keyword: 
layered multicastbroadcast encryptionMotion JPEG2000
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Parallel Processing of Distributed Video Coding to Reduce Decoding Time
Yoshihide TONOMURA Takayuki NAKACHI Tatsuya FUJII Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10  pp. 2463-2470
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Image Coding and Processing
Keyword: 
distributed video codingLDPC codesparallelization systembitplane correlationGray code
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Layered Low-Density Generator Matrix Codes for Super High Definition Scalable Video Coding System
Yoshihide TONOMURA Daisuke SHIRAI Takayuki NAKACHI Tatsuya FUJII Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 798-807
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
LDPC codesLDGM codeslayered codingscalable video codingJPEG 2000multicast streamingreal time streamingsuper high definition movies
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Distributed Video Coding Using JPEG 2000 Coding Scheme
Yoshihide TONOMURA Takayuki NAKACHI Tetsuro FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 581-589
Type of Manuscript:  Special Section PAPER (Special Section on Multimedia and Mobile Signal Processing)
Category: Image
Keyword: 
Distributed Video CodingJPEG 2000wavelet transformLDPCmobile camerasensor network
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A Study on Non-octave Scalable Image Coding and Its Performance Evaluation Using Digital Cinema Test Material
Takayuki NAKACHI Tomoko SAWABE Junji SUZUKI Tetsuro FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/09/01
Vol. E89-A  No. 9  pp. 2405-2414
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image codingwavelet transformJPEG2000resolution conversiondigital cinemasuper high definition images
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Extended Multiresolution Lossless Video Coding Using In-Band Spatio-Temporal Prediction
Takayuki NAKACHI Tomoko SAWABE Tetsuro FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/03/01
Vol. E89-A  No. 3  pp. 698-707
Type of Manuscript:  Special Section PAPER (Special Section on Multidimensional Signal Processing and Its Application)
Category: Image/Vision Processing
Keyword: 
lossless compressionvideo codingwavelet transformprediction codingprogressive transmissionsuper high definition images
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Multiresolution Lossless Video Coding Using Inter/Intra Frame Adaptive Prediction
Takayuki NAKACHI Tomoko SAWABE Tatsuya FUJII Tetsurou FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/08/01
Vol. E85-A  No. 8  pp. 1822-1830
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
lossless compressionvideo codingwavelet transformprediction codingdigital cinema
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Lossless and Near-Lossless Color Image Coding Using Edge Adaptive Quantization
Takayuki NAKACHI Tatsuya FUJII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/04/01
Vol. E84-A  No. 4  pp. 1064-1073
Type of Manuscript:  PAPER
Category: Coding Theory
Keyword: 
lossless compressionnear-lossless compressionstill color imagescolor transformsuper high definition images
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A Unified Coding Algorithm of Lossless and Near-Lossless Color Image Compression
Takayuki NAKACHI Tatsuya FUJII Junji SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/02/25
Vol. E83-A  No. 2  pp. 301-310
Type of Manuscript:  Special Section PAPER (Special Section on Intelligent Signal and Image Processing)
Category: 
Keyword: 
lossless compressionnear-lossless compressionstill color imagescolor transformsuper high definition images
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Pel Adaptive Predictive Coding Based on Image Segmentation for Lossless Compression
Takayuki NAKACHI Tatsuya FUJII Junji SUZUKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/06/25
Vol. E82-A  No. 6  pp. 1037-1046
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
lossless codingpredictive codingsuper high definition imagesimage segmentation
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Two Types of Adaptive Beamformer Using 2-D Joint Process Lattice Estimator
Tateo YAMAOKA Takayuki NAKACHI Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/01/25
Vol. E81-A  No. 1  pp. 117-122
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
2-D adaptive beamforminglattice filterarray signal processinglinearly constrained minimum variancegeneralized sidelobe canceler
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Two-Dimensional Least Squares Lattice Algorithm for Linear Prediction
Takayuki NAKACHI Katsumi YAMASHITA Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/11/25
Vol. E80-A  No. 11  pp. 2325-2329
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
lattice filter2-D signal processingadaptive filtertexture analysis
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Block Estimation Method for Two-Dimensional Adaptive Lattice Filter
InHwan KIM Takayuki NAKACHI Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/25
Vol. E80-A  No. 4  pp. 737-744
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
block estimationlattice filter2-D signal processingadaptive algorithm
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A 2-D Adaptive Joint-Process Lattice Estimator for Image Restoration
Takayuki NAKACHI Katsumi YAMASHITA Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/01/25
Vol. E80-A  No. 1  pp. 140-147
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
lattice filter2-D signal processingadaptive filterimage processing
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An Extended Lattice Model of Two-Dimensional Autoregressive Fields
Takayuki NAKACHI Katsumi YAMASHITA Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/11/25
Vol. E79-A  No. 11  pp. 1862-1869
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
lattice filterlinear predictionAR modeling2-D signal processing
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2-D Adaptive Autoregressive Modeling Using New Lattice Structure
Takayuki NAKACHI Katsumi YAMASHITA Nozomu HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/08/25
Vol. E79-A  No. 8  pp. 1145-1150
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
lattice filter2-D signal processingadaptive filterlinear predictionAR modeling
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A Design Method of an Adaptive Multichannel IIR Lattice Predictor for k-Step Ahead Prediction
Katsumi YAMASHITA M. H. KAHAI Takayuki NAKACHI Hayao MIYAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/08/25
Vol. E76-A  No. 8  pp. 1350-1352
Type of Manuscript:  LETTER
Category: Adaptive Signal Processing
Keyword: 
adaptive lattice fultersmultichannel algorithmspredictorsIIR filters
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