Yuichiro MURACHI


A VGA 30-fps Realtime Optical-Flow Processor Core for Moving Picture Recognition
Yuichiro MURACHI Yuki FUKUYAMA Ryo YAMAMOTO Junichi MIYAKOSHI Hiroshi KAWAGUCHI Hajime ISHIHARA Masayuki MIYAMA Yoshio MATSUDA Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/04/01
Vol. E91-C  No. 4  pp. 457-464
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Digital LSIs and Memories)
Category: 
Keyword: 
optical flowreal-time video recognitionVLSI processor
 Summary | Full Text:PDF

A Sub 100 mW H.264 MP@L4.1 Integer-Pel Motion Estimation Processor Core for MBAFF Encoding with Reconfigurable Ring-Connected Systolic Array and Segmentation-Free, Rectangle-Access Search-Window Buffer
Yuichiro MURACHI Junichi MIYAKOSHI Masaki HAMAMOTO Takahiro IINUMA Tomokazu ISHIHARA Fang YIN Jangchung LEE Hiroshi KAWAGUCHI Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/04/01
Vol. E91-C  No. 4  pp. 465-478
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Digital LSIs and Memories)
Category: 
Keyword: 
low powermotion estimationH.264systolic arrayMBAFFSRAM
 Summary | Full Text:PDF

A Sub-mW H.264 Baseline-Profile Motion Estimation Processor Core with a VLSI-Oriented Block Partitioning Strategy and SIMD/Systolic-Array Architecture
Junichi MIYAKOSHI Yuichiro MURACHI Tetsuro MATSUNO Masaki HAMAMOTO Takahiro IINUMA Tomokazu ISHIHARA Hiroshi KAWAGUCHI Masayuki MIYAMA Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/12/01
Vol. E89-A  No. 12  pp. 3623-3633
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: VLSI Architecture
Keyword: 
low powermotion estimationH.264SIMDsystolic array
 Summary | Full Text:PDF

A Power- and Area-Efficient SRAM Core Architecture with Segmentation-Free and Horizontal/Vertical Accessibility for Super-Parallel Video Processing
Junichi MIYAKOSHI Yuichiro MURACHI Tomokazu ISHIHARA Hiroshi KAWAGUCHI Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/11/01
Vol. E89-C  No. 11  pp. 1629-1636
Type of Manuscript:  Special Section PAPER (Special Section on Novel Device Architectures and System Integration Technologies)
Category: 
Keyword: 
SRAMlow powerparallel processingimage signal processingH.264MPEG
 Summary | Full Text:PDF

A 95 mW MPEG2 MP@HL Motion Estimation Processor Core for Portable High-Resolution Video Application
Yuichiro MURACHI Koji HAMANO Tetsuro MATSUNO Junichi MIYAKOSHI Masayuki MIYAMA Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/12/01
Vol. E88-A  No. 12  pp. 3492-3499
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: VLSI Architecture
Keyword: 
low powermotion estimationMPEG2HDTVIP
 Summary | Full Text:PDF

A Low-Power Systolic Array Architecture for Block-Matching Motion Estimation
Junichi MIYAKOSHI Yuichiro MURACHI Koji HAMANO Tetsuro MATSUNO Masayuki MIYAMA Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 559-569
Type of Manuscript:  Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Digital
Keyword: 
motion estimationMPEGH.264block-matching
 Summary | Full Text:PDF