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 transmission, quality monitoring, standards conversion, spread spectrum, orthogonal 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 2000, tiling artifacts, rate control, acceleration of coding process, 
 Summary | Full Text:PDF(1.1MB)
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: 
JPEG2000, wavelet transform, tile size conversion, transcoding, 
 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 interaction, ventriloquist effect, wide screen, peripheral visual field, 
 Summary | Full Text:PDF(960.4KB)
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 filter, HRTF (head-related transfer function), dummy-head, sound localization, binaural reproduction, 
 Summary | Full Text:PDF(763.7KB)
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 prediction, perspective transform, very low bit-rate image coding, motion detection, affine transform, 
 Summary | Full Text:PDF(1.2MB)