Kiyoshi NISHIKAWA


Codeblock-Based Error Concealment for JPEG2000 Coded Image Transmission over RTP
Khairul MUNADI Masaaki FUJIYOSHI Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 429-438
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
error concealmentJPEG2000codeblockpacket lossRTP
 Summary | Full Text:PDF(1.8MB)

QoS Estimation Method for JPEG 2000 Coded Image at RTP Layer
Kiyoshi NISHIKAWA Shinichi NAGAWARA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/08/01
Vol. E89-A  No. 8  pp. 2119-2128
Type of Manuscript:  Special Section PAPER (Special Section on Papers Selected from the 20th Symposium on Signal Processing)
Category: 
Keyword: 
motion JPEG2000QoS controlRTP
 Summary | Full Text:PDF(430.6KB)

Extension of Image Transport Protocol Allowing Sever-Side Control of Request for Retransmission
Kiyoshi NISHIKAWA Takako SASAKI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/03/01
Vol. E87-A  No. 3  pp. 674-681
Type of Manuscript:  Special Section PAPER (Special Section on Applications and Implementations of Digital Signal Processing)
Category: Communication Theory and Systems
Keyword: 
ITPimage transmissionADUtransmission delay
 Summary | Full Text:PDF(878.2KB)

Error Protection for JPEG2000-Coded Images and Its Evaluation over OFDM Channel
Khairul MUNADI Masayuki KUROSAKI Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/08/01
Vol. E86-A  No. 8  pp. 2056-2060
Type of Manuscript:  Special Section LETTER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
JPEG2000error protectionOFDM
 Summary | Full Text:PDF(253.1KB)

Multirate Repeating Method for Alias Free Subband Adaptive Filters
Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/04/01
Vol. E85-A  No. 4  pp. 776-783
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa)
Category: 
Keyword: 
subband apaptive systemalias freenormalized LMSmultirate repeating method
 Summary | Full Text:PDF(394.7KB)

Motion Estimation Using Edge Enhanced Low-Bit Images for Lowpower MPEG Encoder
Ayuko TAKAGI Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 1900-1908
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
low powermotion estimationMPEGlow-bit imageedge enhancement
 Summary | Full Text:PDF(629.6KB)

Fast Implementation Technique for Improving Throughput of RLS Adaptive Filters
Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/08/25
Vol. E83-A  No. 8  pp. 1545-1550
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Adaptive Signal Processing
Keyword: 
adaptive systempipeline processingdigital signal processorRLS adaptive filters
 Summary | Full Text:PDF(523.5KB)

An Effective Architecture of the Pipelined LMS Adaptive Filters
Tadaaki KIMIJIMA Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/08/25
Vol. E82-A  No. 8  pp. 1428-1434
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
adaptive filterpipeline processlook-ahead transformantion
 Summary | Full Text:PDF(890.2KB)

A Pipelined Architecture for Normalized LMS Adaptive Digital Filters
Akio HARADA Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/02/25
Vol. E82-A  No. 2  pp. 223-229
Type of Manuscript:  Special Section PAPER (Special Section on VLSI for Digital Signal Processing)
Category: 
Keyword: 
adaptive digital filterpipeline processingnormalized LMS algorithm
 Summary | Full Text:PDF(435.3KB)

Pipelined Architecture of the LMS Adaptive Digital Filter with the Minimum Output Latency
Akio HARADA Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/08/25
Vol. E81-A  No. 8  pp. 1578-1585
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
pipeliningLMS algorithmoutput latencyadaptive digital filter
 Summary | Full Text:PDF(566.9KB)

Structure of Delayless Subband Adaptive Filter Using Hadamard Transformation
Kiyoshi NISHIKAWA Takuya YAMAUCHI Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/06/25
Vol. E81-A  No. 6  pp. 1013-1020
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from ITC-CSCC'97)
Category: Digital Signal Processing
Keyword: 
adaptive digital filterdelaylessHadamard transform
 Summary | Full Text:PDF(637.8KB)

2-D Pipelined Adaptive Filters Based on 2-D Delayed LMS Algorithm
Katsushige MATSUBARA Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/06/25
Vol. E80-A  No. 6  pp. 1009-1014
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1996 International Technical Conference on Circuits/Systems, Computers and Communications(ITC-CSCC'96))
Category: 
Keyword: 
pipeliningtwo-dimensional LMS algorithmdelayed LMS algorithm
 Summary | Full Text:PDF(416.8KB)

A Representation Method of the Convergence Characteristic of the LMS Algorithm Using Tap-Input Vectors
Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/10/25
Vol. E78-A  No. 10  pp. 1362-1368
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive signal processingsystem identificationorthogonal projectionsoblique expansion
 Summary | Full Text:PDF(508KB)

An LS Based New Gradient Type Adaptive Algorithm--Least Squares Gradient--
Kiyoshi NISHIKAWA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/09/25
Vol. E77-A  No. 9  pp. 1417-1425
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from the 8th Digital Signal Processing Symposium)
Category: Adaptive Digital Filters
Keyword: 
adaptive filtersleast squaressystem identificationspectral estimation
 Summary | Full Text:PDF(635.1KB)

Property of Circular Convolution for Subband Image Coding
Hitoshi KIYA Kiyoshi NISHIKAWA Masahiko SAGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/07/25
Vol. E75-A  No. 7  pp. 852-860
Type of Manuscript:  Special Section PAPER (Special Section on Multidimensional Signal Processing)
Category: Image Coding and Compression
Keyword: 
filter banksimage processingsubband image codinghigh quality image coding
 Summary | Full Text:PDF(779.2KB)

Design of Circularly Symmetric Two-Dimensional R Lowpass Digital Filters With Constant Group Delay Using McClellan Transformations
Kiyoshi NISHIKAWA Russell M. MERSEREAU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/07/25
Vol. E75-A  No. 7  pp. 830-836
Type of Manuscript:  Special Section PAPER (Special Section on Multidimensional Signal Processing)
Category: Design and Implementation of Multidimensional Digital Filters
Keyword: 
circularly symmetricconstant group delayMcClellan transformationseparable denominator
 Summary | Full Text:PDF(566.7KB)

Design of FIR Partial Response Filter with Equiripple Stopband Attenuation (Class )
Ake CHAISAWADI Tsuoshi TAKEBE Toyoji MATSUMOTO Kiyoshi NISHIKAWA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/11/25
Vol. E71-E  No. 11  pp. 1107-1115
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
 Summary | Full Text:PDF(611.6KB)

Multiple Feedback Active RC Filters with Complex Frequency Transmission Zeros
Kiyoshi NISHIKAWA Tsuyoshi TAKEBE 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1976/09/25
Vol. E59-E  No. 9  pp. 11-12
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
 Summary | Full Text:PDF(144KB)