Atsushi KOIKE


Remote Monitoring Scheme for Output Video of Standards Convertors
Ryoichi KAWADA Osamu SUGIMOTO Atsushi KOIKE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 254-258
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications" Multimedia Systems for Communications
Keyword: 
television transmissionquality monitoringstandards conversionspread spectrumorthogonal transform
 Summary | Full Text:PDF(250.7KB)

JPEG 2000 Encoding Method for Reducing Tiling Artifacts
Masayuki HASHIMOTO Kenji MATSUO Atsushi KOIKE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/12/01
Vol. E88-D  No. 12  pp. 2839-2848
Type of Manuscript:  PAPER
Category: Image Processing and Video Processing
Keyword: 
JPEG 2000tiling artifactsrate controlacceleration of coding process
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Tile Size Conversion Algorithm for Tiled Wavelet Image
Masayuki HASHIMOTO Kenji MATSUO Atsushi KOIKE Yasuyuki NAKAJIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/08/01
Vol. E87-A  No. 8  pp. 1901-1912
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: Image/Visual Signal Processing
Keyword: 
JPEG2000wavelet transformtile size conversiontranscoding
 Summary | Full Text:PDF(1.9MB)

Evaluation of the Corresponding Degree between a Visual Image and Its Associated Sound under Dynamic Conditions on a Wide Screen
Hiroshi HASEGAWA Miyoshi AYAMA Shuichi MATSUMOTO Atsushi KOIKE Koichi TAKAGI Masao KASUGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/06/01
Vol. E87-A  No. 6  pp. 1409-1416
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: 
auditory-visual interactionventriloquist effectwide screenperipheral visual field
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Simply Realization of Sound Localization Using HRTF Approximated by IIR Filter
Hiroshi HASEGAWA Masao KASUGA Shuichi MATSUMOTO Atsushi KOIKE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6  pp. 973-978
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1999 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'99))
Category: 
Keyword: 
IIR filterHRTF (head-related transfer function)dummy-headsound localizationbinaural reproduction
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Motion-Compensated Prediction Method Based on Perspective transform for Coding of Moving Images
Atsushi KOIKE Satoshi KATSUNO Yoshinori HATORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/10/25
Vol. E79-B  No. 10  pp. 1443-1451
Type of Manuscript:  Special Section PAPER (Special Issue on Very Low Bit-Rate Video Coding)
Category: 
Keyword: 
motion-compensated predictionperspective transformvery low bit-rate image codingmotion detectionaffine transform
 Summary | Full Text:PDF(1.2MB)