Masayasu ITO


High-Speed and Low-Power Techniques of Hardware and Software for Digital Signal Processors
Hiroshi TAKAHASHI Rimon IKENO Yutaka TOYONOH Akihiro TAKEGAMA Yasumasa IKEZAKI Tohru URASAKI Hitoshi SATOH Masayasu ITOIGAWA Yoshinari MATSUMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/04/01
Vol. E86-C  No. 4  pp. 589-596
Type of Manuscript:  Special Section PAPER (Special Issue on High-Performance, Low-Power System LSIs and Related Technologies)
Category: Circuit Design
Keyword: 
high speedlow powerfixed point DSP160 MHz0.18 µm
 Summary | Full Text:PDF(1.7MB)

Edge Enhancement of Ultrasonic Images by Morphological Operations Based on Locally Variable Structuring Elements
Masayoshi TSUBAI Masayasu ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/01/01
Vol. E85-D  No. 1  pp. 190-198
Type of Manuscript:  Special Section PAPER (Special Issue on Measurements and Visualization Technology of Biological Information)
Category: Modeling
Keyword: 
ultrasound B-mode imageedge enhancementmorphologyvariable structuring element
 Summary | Full Text:PDF(840.2KB)

Speckle Reduction for Ultrasonic Images Using Fuzzy Morphology
Erwin AVIANTO Masayasu ITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/04/01
Vol. E84-D  No. 4  pp. 502-510
Type of Manuscript:  PAPER
Category: Image Processing, Image Pattern Recognition
Keyword: 
ultrasonic imagespeckle reductionfuzzy morphological speckle reduction (FMSR)
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A 100 MIPS High Speed and Low Power Digital Signal Processor
Hiroshi TAKAHASHI Shigeshi ABIKO Shintaro MIZUSHIMA Yuji OZAWA Kenichi TASHIRO Shigetoshi MURAMATSU Masahiro FUSUMADA Akemi TODOROKI Youichi TANAKA Masayasu ITOIGAWA Isao MORIOKA Hiroyuki MIZUNO Miki KOJIMA Giovanni NASO Emmanuel EGO Frank CHIRAT 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/12/25
Vol. E80-C  No. 12  pp. 1546-1552
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Power and High-Speed LSI Technologies)
Category: 
Keyword: 
100 MIPSdigital signal processinghigh speedlow powerCPU
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Tissue Extraction from Ultrasonic Image by Prediction Filtering
Atsushi TAKEMURA Masayasu ITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/08/25
Vol. E79-A  No. 8  pp. 1194-1201
Type of Manuscript:  Special Section PAPER (Special Section on Digital Signal Processing)
Category: 
Keyword: 
ultrasonic imagetissue extractionprediction filtermulti-dimensional AR model
 Summary | Full Text:PDF(852.1KB)