Hisakazu KIKUCHI


An Efficient Adaptive Filtering Scheme Based on Combining Multiple Metrics
Osamu TODA Masahiro YUKAWA Shigenobu SASAKI Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/03/01
Vol. E97-A  No. 3  pp. 800-808
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive filterproportionate NLMStransform domain adaptive filtermetric projection
 Summary | Full Text:PDF(1.6MB)

Simple Bitplane Coding and Its Application to Multi-Functional Image Compression
Hisakazu KIKUCHI Ryosuke ABE Shogo MURAMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/05/01
Vol. E95-A  No. 5  pp. 938-951
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image compressionimage codingcontext model
 Summary | Full Text:PDF(5.4MB)

Reversible Implementations of Irreversible Component Transforms and Their Comparisons in Image Compression
Junghyeun HWANG Hisakazu KIKUCHI Shogo MURAMATSU Kazuma SHINODA Jaeho SHIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/04/01
Vol. E95-A  No. 4  pp. 824-828
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
component transformreversible transformimage compressionLU factorization
 Summary | Full Text:PDF(130.9KB)

A Computer-Aided Distinction Method of Borderline Grades of Oral Cancer
Mustafa M. SAMI Masahisa SAITO Shogo MURAMATSU Hisakazu KIKUCHI Takashi SAKU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/08/01
Vol. E93-A  No. 8  pp. 1544-1552
Type of Manuscript:  PAPER
Category: Image
Keyword: 
medical image analysisoral borderline malignancyfeature quantificationsegmentationedgel
 Summary | Full Text:PDF(1.3MB)

An Optimum Design of Error Diffusion Filters Using the Blue Noise in All Graylevels
Junghyeun HWANG Hisakazu KIKUCHI Shogo MURAMATSU Jaeho SHIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/08/01
Vol. E93-A  No. 8  pp. 1465-1475
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
digital halftoningerror diffusionblue noisepower spectrumbinary pattern power spectrum matching
 Summary | Full Text:PDF(2MB)

A Simple Exact Error Rate Analysis for DS-CDMA with Arbitrary Pulse Shape in Flat Nakagami Fading
Mohammad Azizur RAHMAN Shigenobu SASAKI Hisakazu KIKUCHI Hiroshi HARADA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/05/01
Vol. E92-B  No. 5  pp. 1808-1812
Type of Manuscript:  Special Section LETTER (Special Section on Radio Access Techniques for 3G Evolution)
Category: 
Keyword: 
DS-CDMAmulti-access communicationerror rate analysisNakagami fading
 Summary | Full Text:PDF(172.2KB)

Constraints of Second-Order Vanishing Moments on Lattice Structures for Non-separable Orthogonal Symmetric Wavelets
Atsuyuki ADACHI Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/03/01
Vol. E92-A  No. 3  pp. 788-797
Type of Manuscript:  Special Section PAPER (Special Section on Latest Advances in Fundamental Theories of Signal Processing)
Category: 
Keyword: 
waveletsorthogonal transformsnon-separable filter banksvanishing momentsvideo coding
 Summary | Full Text:PDF(1002.5KB)

Lossless-by-Lossy Coding for Scalable Lossless Image Compression
Kazuma SHINODA Hisakazu KIKUCHI Shogo MURAMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3356-3364
Type of Manuscript:  PAPER
Category: Image
Keyword: 
image compressionlossless compressionscalable codingembedded codingwavelet transformcontext modeling
 Summary | Full Text:PDF(430.8KB)

Exact Error Rate Analysis for Pulsed DS- and Hybrid DS/TH-CDMA in Nakagami Fading
Mohammad Azizur RAHMAN Shigenobu SASAKI Hisakazu KIKUCHI Hiroshi HARADA Shuzo KATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/11/01
Vol. E91-A  No. 11  pp. 3150-3162
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
ultra-widebandcode division multiple accesserror rate analysisNakagami fading
 Summary | Full Text:PDF(642.7KB)

Color Demosaicing Using Asymmetric Directional Interpolation and Hue Vector Smoothing
Yoshihisa TAKAHASHI Kentaro HIRAKI Hisakazu KIKUCHI Shogo MURAMATSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/04/01
Vol. E91-A  No. 4  pp. 978-986
Type of Manuscript:  Special Section PAPER (Special Section on Selected Papers from the 20th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
image processingcolor demosaicinginterpolationCFA
 Summary | Full Text:PDF(2.5MB)

Equivalent Parallel Structure of Deinterlacer Banks and Its Application to Optimal Bit-Rate Allocation
Minoru HIKI Shogo MURAMATSU Takuma ISHIDA Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 642-650
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
3-D filter banksscalable video codingrate-distortion controlinterlace video
 Summary | Full Text:PDF(780.9KB)

Parameter Embedding in Motion-JPEG2000 through ROI for Variable-Coefficient Invertible Deinterlacing
Jun UCHITA Shogo MURAMATSU Takuma ISHIDA Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/11/01
Vol. E89-D  No. 11  pp. 2794-2801
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
invertible deinterlacingintra-frame-based codingSNR scalabilityvariable processingMotion-JPEG2000ROI (Region of Interest)
 Summary | Full Text:PDF(954.2KB)

Impact of Chip Duty Factor in DS-UWB Systems over Indoor Multipath Environment
Chin Sean SUM Shigenobu SASAKI Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/11/01
Vol. E89-A  No. 11  pp. 3152-3156
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
chip duty factorDS-UWBUWB indoor multipath channelbit error rate (BER)spreading bandwidth
 Summary | Full Text:PDF(182.8KB)

Error Analysis for Ultra-Wideband DS- and Hybrid DS/TH-CDMA with Arbitrary Chip-Duty
Mohammad Azizur RAHMAN Shigenobu SASAKI Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1668-1679
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
Category: 
Keyword: 
ultra-widebandcode division multiple accesserror analysisstandard and improved Gaussian approximations
 Summary | Full Text:PDF(600.5KB)

Impact of Timing Jitter on DS-UWB and Hybrid DS-Multiband-UWB Systems with Rake Reception over Multipath Environment
Chin Sean SUM Shigenobu SASAKI Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1657-1667
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2005 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC2005))
Category: 
Keyword: 
timing jitterDS-MB-UWBDS-UWBRake receptionSER
 Summary | Full Text:PDF(494.7KB)

Error Performance of DS-CDMA over Multipath Channel Using Selective Rake Receiver
Mohammad Azizur RAHMAN Shigenobu SASAKI Jie ZHOU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/11/01
Vol. E88-A  No. 11  pp. 3118-3122
Type of Manuscript:  Special Section LETTER (Special Section on Wide Band Systems)
Category: 
Keyword: 
DS-CDMAmultipath channelselective Rake receiverstandard and improved Gaussian approximations
 Summary | Full Text:PDF(456.7KB)

On Rake Reception of Ultra Wideband Signals over Multipath Channels from Energy Capture Perspective
Mohammad Azizur RAHMAN Shigenobu SASAKI Jie ZHOU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/09/01
Vol. E88-A  No. 9  pp. 2339-2349
Type of Manuscript:  Special Section PAPER (Special Section on Ultra Wideband Systems)
Category: RAKE Receiver
Keyword: 
ultra widebandmultipathRake receptionenergy capturepulse-width
 Summary | Full Text:PDF(1.4MB)

A New Color Demosaicing Method Using Asymmetric Average Interpolation and Its Iteration
Yoshihisa TAKAHASHI Hisakazu KIKUCHI Shogo MURAMATSU Yoshito ABE Naoki MIZUTANI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/08/01
Vol. E88-A  No. 8  pp. 2108-2116
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from the 19th Symposium on Signal Processing)
Category: Image
Keyword: 
color demosaicinginterpolationiterationasymmetric average
 Summary | Full Text:PDF(1.3MB)

FOREWORD
Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/06/01
Vol. E88-A  No. 6  pp. 1393-1393
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(40.6KB)

Forward Link Performance of Data Packet Transmission in an Aeronautical CDMA Cellular System
Jie ZHOU Kenta ISHIZAWA Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 826-830
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
OCIFaeronautical communicationsdata packetARQchannel modellingRLOS and soft handoff
 Summary | Full Text:PDF(499.2KB)

Evaluation of Selective Rake Receiver in Direct Sequence Ultra Wideband Communications
Mohammad Azizur RAHMAN Shigenobu SASAKI Jie ZHOU Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/07/01
Vol. E87-A  No. 7  pp. 1742-1746
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Mobile Communication
Keyword: 
ultra widebandselective Rake receiverspreading bandwidthpower delay profilepartial band interference
 Summary | Full Text:PDF(511.7KB)

A Parameter Decimation Technique for Variable-Coefficient Invertible Deinterlacing
Jun UCHITA Takuma ISHIDA Shogo MURAMATSU Hisakazu KIKUCHI Tetsuro KUGE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/06/01
Vol. E87-A  No. 6  pp. 1363-1370
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from 2003 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2003))
Category: 
Keyword: 
invertible deinterlacingintraframe-based codingscalable codingvariable coefficientsMotion-JPEG2000
 Summary | Full Text:PDF(1.5MB)

Online SNR and Fading Parameter Estimation for Parallel Combinatorial SS Systems in Nakagami Fading Channels
Kazuyuki UENAGA Shigenobu SASAKI Ken-ichi TAKIZAWA Jie ZHOU Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/06/01
Vol. E87-A  No. 6  pp. 1495-1499
Type of Manuscript:  Special Section LETTER (Special Section on Papers Selected from 2003 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2003))
Category: 
Keyword: 
spread spectrummulticode systemsonline SNR estimationNakagami fading
 Summary | Full Text:PDF(260.6KB)

Generalized Spatial Correlation Equations for Antenna Arrays in Wireless Diversity Reception: Exact and Approximate Analyses
Jie ZHOU Kenta ISHIZAWA Shigenobu SASAKI Shogo MURAMATSU Hisakazu KIKUCHI Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1  pp. 204-208
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
spatial correlationangular spreadantenna array and diversity reception
 Summary | Full Text:PDF(390.5KB)

Cell Boundary Shifting with Power Ratio Control and Tilted Antenna Arrays in a Cellular Wireless Communications
Jie ZHOU Shigenobu SASAKI Hisakazu KIKUCHI Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2607-2614
Type of Manuscript:  Special Section LETTER (Special Section on Information Theory and Its Applications)
Category: Communications Systems
Keyword: 
cellular systemreverse/forward linkstraffic balancetilted antenna arraypower ratio controlradiation pattern
 Summary | Full Text:PDF(668.5KB)

A Lifting Implementation of Variable-Coefficient Invertible Deinterlacer with Embedded Motion Detector
Takuma ISHIDA Tatsuumi SOYAMA Shogo MURAMATSU Hisakazu KIKUCHI Tetsuro KUGE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 1942-1948
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
invertible deinterlacingvariable-coefficient filteringmotion-JPEG2000lifting implementation
 Summary | Full Text:PDF(440.5KB)

Spatial Correlation Functions for a Circular Antenna Array and Their Applications in Wireless Communication Systems
Jie ZHOU Shigenobu SASAKI Shogo MURAMATSU Hisakazu KIKUCHI Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/07/01
Vol. E86-A  No. 7  pp. 1716-1723
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
spatial correlated functionantenna arrayNakagami fadingMRC and diversity reception
 Summary | Full Text:PDF(321.3KB)

Performance Analysis of a DS-CDMA Cellular System with Cell Splitting into Macrocell and Microcell Architecture
Jie ZHOU Shigenobu SASAKI Shogo MURAMATSU Hisakazu KIKUCHI Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/06/01
Vol. E86-B  No. 6  pp. 1967-1977
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
system capacityoutage probabilitycapacity planecode division multiple access (CDMA)macrocell and microcell
 Summary | Full Text:PDF(761.7KB)

Lifting Architecture of Invertible Deinterlacing
Tatsuumi SOYAMA Takuma ISHIDA Shogo MURAMATSU Hisakazu KIKUCHI Tetsuro KUGE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/04/01
Vol. E86-A  No. 4  pp. 779-786
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 15th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
deinterlacingdiscrete wavelet transformslifting schemeJPEG2000intra-frame-based motion picture coding
 Summary | Full Text:PDF(1.1MB)

Online SNR Estimation for Parallel Combinatorial SS Systems in Nakagami Fading Channels
Ken-ichi TAKIZAWA Shigenobu SASAKI Jie ZHOU Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/12/01
Vol. E85-A  No. 12  pp. 2847-2858
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
multi-code DS/SSonline SNR estimationiterative decodingNakagami fading channels
 Summary | Full Text:PDF(385.4KB)

Performance Investigation of Two Transmit Diversity Schemes with Perfect/Imperfect Channel Evaluation in Wireless Communications
Jie ZHOU Hisakazu KIKUCHI Shigenobu SASAKI Shogo MURAMATSU Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/10/01
Vol. E85-B  No. 10  pp. 1957-1965
Type of Manuscript:  Special Section PAPER (Special Issue on Mobile Multimedia Communications)
Category: 
Keyword: 
transmit diversityperfect/imperfect channel detectionantenna arraymaximal-ratio combiningmulti-path mitigation
 Summary | Full Text:PDF(1MB)

Distribution of ISR and Its Optimization in Performance Evaluation of Forward Link in Cellular Mobile Radio Systems
Jie ZHOU Yoshikuni ONOZATO Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/08/01
Vol. E85-B  No. 8  pp. 1479-1489
Type of Manuscript:  PAPER
Category: Wireless Communication Technology
Keyword: 
forward link (base station-to-mobile)reverse link (mobile-to-base station)τ-th power of distance drivenISR drivensoft handoff
 Summary | Full Text:PDF(821.8KB)

Forward Link Performance of TDMA/W-CDMA Spectrum Overlaid System with Interference Cancellation for Future Wireless Communications
Jie ZHOU Hisakazu KIKUCHI Shigenobu SASAKI Shogo MURAMATSU Yoshikuni ONOZATO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1536-1545
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
code division multiple access (CDMA)time-division multiple access (TDMA)TDMA/W-CDMA overlaid systemnotch filtersignal clipper
 Summary | Full Text:PDF(632.8KB)

Performance Bounds in Convolutional Coded Parallel Combinatorial SS Systems
Ken-ichi TAKIZAWA Shigenobu SASAKI Shogo MURAMATSU Jie ZHOU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/07/01
Vol. E85-A  No. 7  pp. 1696-1701
Type of Manuscript:  Special Section LETTER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
multicode SSconvolutional codeiterative demodulation and decoding
 Summary | Full Text:PDF(612.5KB)

Edge-Based Image Synthesis Model and Its Synthesis Function Design by the Wavelet Transform
Makoto NAKASHIZUKA Hidetoshi OKAZAKI Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/01/01
Vol. E85-A  No. 1  pp. 210-221
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
edge detectionmulti-scale image analysiswavelet transformimage coding
 Summary | Full Text:PDF(2.1MB)

Iterative Demodulation and Decoding for Parallel Combinatorial SS Systems
Ken-ichi TAKIZAWA Shigenobu SASAKI Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/12/01
Vol. E84-A  No. 12  pp. 2991-2999
Type of Manuscript:  Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
spread spectrummulti-code CDMAiterative decodingchannel coding
 Summary | Full Text:PDF(1002.9KB)

Optimization of Dynamic Allocation of Transmitter Power in a DS-CDMA Cellular System Using Genetic Algorithms
Jie ZHOU Yoichi SHIRAISHI Ushio YAMAMOTO Yoshikuni ONOZATO Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/10/01
Vol. E84-A  No. 10  pp. 2436-2446
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Communication Systems
Keyword: 
digital cellular system (DS-CDMA)genetic algorithmpower control strategydynamic power allocationbalance of services
 Summary | Full Text:PDF(640.7KB)

Memory Access Estimation of Filter Bank Implementation on Different DSP Architectures
Naoki MIZUTANI Shogo MURAMATSU Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1951-1959
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Implementations of Signal Processing Systems
Keyword: 
digital signal processor (DSP)filter bankwavelet transformmultiplier and accumulator (MAC)
 Summary | Full Text:PDF(1.2MB)

ECG Data Compression by Matching Pursuits with Multiscale Atoms
Makoto NAKASHIZUKA Kazuki NIWA Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1919-1932
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Biomedical Signal Processing
Keyword: 
multiscale analysismatching pursuitdata compressionelectrocardiogrambio-medical signal processing
 Summary | Full Text:PDF(1.4MB)

FOREWORD
Hisakazu KIKUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8  pp. 1385-1385
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(28.9KB)

Flexible Zerotree Coding of Wavelet Coefficients
Sanghyun JOO Hisakazu KIKUCHI Shigenobu SASAKI Jaeho SHIN 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/06/25
Vol. E82-A  No. 6  pp. 1117-1125
Type of Manuscript:  PAPER
Category: Image Theory
Keyword: 
image compressionwavelet transformzerotree coding
 Summary | Full Text:PDF(1.6MB)

A New Image Coding Technique with Low Entropy Using a Flexible Zerotree
Sanghyun JOO Hisakazu KIKUCHI Shigenobu SASAKI Jaeho SHIN 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2528-2535
Type of Manuscript:  PAPER
Category: Source Encoding
Keyword: 
image compressionwavelet transformzerotree codingentropy coding
 Summary | Full Text:PDF(732KB)

Image Contour Clustering by Vector Quantization on Multiscale Gradient Planes and Its Application to Image Coding
Makoto NAKASHIZUKA Yuji HIURA Hisakazu KIKUCHI Ikuo ISHII 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/08/25
Vol. E81-A  No. 8  pp. 1652-1660
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
sketch-based image codingcontour detectionimage recoverywavelet transformmultiscale analysisvector quantization
 Summary | Full Text:PDF(1.2MB)

Error Rate Analysis of Coherent and Differential Multiphase Parallel Combinatorial Spread Spectrum Systems
Shigenobu SASAKI Hisakazu KIKUCHI Jinkang ZHU Gen MARUBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/07/25
Vol. E80-A  No. 7  pp. 1196-1203
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
spread spectrummulticode systemsmultiphase modulationsymbol error ratebit error rate
 Summary | Full Text:PDF(611.9KB)

FOREWORD
Hisakazu KIKUCHI Masakazu SENGOKU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/03/25
Vol. E80-A  No. 3  pp. 439-440
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(123.7KB)

Multiple Access Performance of Parallel Combinatory Spread Spectrum Communication Systems in Nonfading and Rayleigh Fading Channels
Shigenobu SASAKI Hisakazu KIKUCHI Jinkang ZHU Gen MARUBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/08/25
Vol. E78-B  No. 8  pp. 1152-1161
Type of Manuscript:  Special Section PAPER (Special Issue on Technologies for High-Speed Mobile Communications)
Category: 
Keyword: 
communication theoryradio communicationcode division multiple accessRayleigh fading
 Summary | Full Text:PDF(813.9KB)

Performance of Parallel Combinatory SS Communication Systems in Rayleigh Fading Channel
Shigenobu SASAKI Hisakazu KIKUCHI  Jinkang ZHU Gen MARUBAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/06/25
Vol. E77-A  No. 6  pp. 1028-1032
Type of Manuscript:  Special Section LETTER (Special Section of Papers Selected from 1993 Joint Technical Conference on Circuits/Systems, Computers and Communications (JTC-CSCC'93))
Category: Communications
Keyword: 
spread spectrum technologyRayleigh fadingselection diverstityReed-Solomon codes
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Fast Wavelet Transform and Its Application to Detecting Detonation
Hisakazu KIKUCHI Makoto NAKASHIZUKA Hiromichi WATANABE Satoru WATANABE Naoki TOMISAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/08/25
Vol. E75-A  No. 8  pp. 980-987
Type of Manuscript:  Special Section PAPER (Special Section on the 6th Digital Signal Processing Symposium)
Category: 
Keyword: 
digital signal processingwaveletssignals and wavesacoustics
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Pipelinable Low-Sensitivity Digital Filters Based on the Localization of Transmission Zeros
Hisakazu KIKUCHI Hiromichi WATANABE Akinori NISHIHARA Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/05/25
Vol. E71-E  No. 5  pp. 493-504
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
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Interpolated FIR Filters Based on the Cyclotomic Polynomials
Hisakazu KIKUCHI Yoshito ABE Hiromichi WATANABE Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/10/25
Vol. E70-E  No. 10  pp. 928-937
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
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Efficient Prefiltering for FIR Digital Filters
Hisakazu KIKUCHI Yoshito ABE Hiromichi WATANABE Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/10/25
Vol. E70-E  No. 10  pp. 918-927
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
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Linear Phase FIR Digital Filters with Cyclotomic Resonators
Hisakazu KIKUCHI Hiromichi WATANABE Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/01/25
Vol. E70-E  No. 1  pp. 24-32
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
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Iterative Design of Constrained IIR Digital Filters Requiring No Initial Values
Hisakazu KIKUCHI Hiromichi WATANABE Takeshi YANAGISAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/05/25
Vol. E69-E  No. 5  pp. 601-609
Type of Manuscript:  PAPER
Category: Circuit Theory
Keyword: 
 Summary | Full Text:PDF(776.4KB)