Hiroshi HAMADA


Coding Gain in Non-Paraunitary Subband Coding Systems
S. A. Asghar BEHESHTI SHIRAZI Yoshitaka MORIKAWA Hiroshi HAMADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/02/25
Vol. E79-A  No. 2  pp. 233-241
Type of Manuscript:  PAPER
Category: Information Theory and Coding Theory
Keyword: 
subband codingnon-paraunitarycoding gainbit allocation quantizer model
 Summary | Full Text:PDF(640.2KB)

Improvement of Performance in DCT and SSKF Image Coding Systems for Negatively-Correlated Signal Input by Signal Modulation
S. A. Asghar BEHESHTI SHIRAZI Yoshitaka MORIKAWA Hiroshi HAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/11/25
Vol. E78-B  No. 11  pp. 1529-1542
Type of Manuscript:  PAPER
Category: Source Encoding
Keyword: 
image codingDCTSSKFnegative correlationsignal modulation
 Summary | Full Text:PDF(1.2MB)

Automatic Evaluation of English Pronunciation Based on Speech Recognition Techniques
Hiroshi HAMADA Satoshi MIKI Ryohei NAKATSU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/03/25
Vol. E76-D  No. 3  pp. 352-359
Type of Manuscript:  PAPER
Category: Speech Processing
Keyword: 
speech processingpronunciationspeech recognitionspeaker adaptationeducationenglish
 Summary | Full Text:PDF(732.1KB)