Junichi MIYAKOSHI


A 45-nm 37.3 GOPS/W Heterogeneous Multi-Core SOC with 16/32 Bit Instruction-Set General-Purpose Core
Osamu NISHII  Yoichi YUYAMA  Masayuki ITO  Yoshikazu KIYOSHIGE  Yusuke NITTA  Makoto ISHIKAWA  Tetsuya YAMADA  Junichi MIYAKOSHI  Yasutaka WADA  Keiji KIMURA  Hironori KASAHARA  Hideo MAEJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/04/01
Vol. E94-C  No. 4  pp. 663-669
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
heterogeneousinstruction setMMU
  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 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-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 0.3-V Operating, Vth-Variation-Tolerant SRAM under DVS Environment for Memory-Rich SoC in 90-nm Technology Era and Beyond
Yasuhiro MORITA  Hidehiro FUJIWARA  Hiroki NOGUCHI  Kentaro KAWAKAMI  Junichi MIYAKOSHI  Shinji MIKAMI  Koji NII  Hiroshi KAWAGUCHI  Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/12/01
Vol. E89-A  No. 12  pp. 3634-3641
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: VLSI Architecture
Keyword: 
SRAMDVSVth-variation-tolerantlow power
  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

VLSI Architecture Study of a Real-Time Scalable Optical Flow Processor for Video Segmentation
Noriyuki MINEGISHI  Junichi MIYAKOSHI  Yuki KURODA  Tadayoshi KATAGIRI  Yuki FUKUYAMA  Ryo YAMAMOTO  Masayuki MIYAMA  Kousuke IMAMURA  Hideo HASHIMOTO  Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 230-242
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: System LSIs and Microprocessors
Keyword: 
optical flowprocessor architecturevideo segmentation
  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

VLSI-Oriented Motion Estimation Using a Steepest Descent Method in Mobile Video Coding
Masayuki MIYAMA  Junichi MIYAKOSHI  Kousuke IMAMURA  Hideo HASHIMOTO  Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 466-474
Type of Manuscript: Special Section PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
MPEGmotion estimationgradient based methodsteepest descent methodlow powerVLSI
  Summary |  Full Text:PDF

An Ultra Low Power Motion Estimation Processor for MPEG2 HDTV Resolution Video
Masayuki MIYAMA  Osamu TOOYAMA  Naoki TAKAMATSU  Tsuyoshi KODAKE  Kazuo NAKAMURA  Ai KATO  Junichi MIYAKOSHI  Kousuke IMAMURA  Hideo HASHIMOTO  Satoshi KOMATSU  Mikio YAGI  Masao MORIMOTO  Kazuo TAKI  Masahiko YOSHIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/04/01
Vol. E86-C  No. 4  pp. 561-569
Type of Manuscript: Special Section PAPER (Special Issue on High-Performance, Low-Power System LSIs and Related Technologies)
Category: Architecture and Algorithms
Keyword: 
HDTVMPEGmotion estimation processorGradient Descent Search algorithmSIMD datapath architecture
  Summary |  Full Text:PDF