Hakaru KYURAGI


Fingerprint Image Enhancement and Rotation Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Koji FUJII Hiroki MORIMURA Takahiro HATANO Mamoru NAKANISHI Namiko IKEDA Toshishige SHIMAMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 540-550
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
fingerprint identificationfingerprint sensorpixel arraypixel parallelimage processingimage rotation
 Summary | Full Text:PDF

Pixel-Parallel Image-Matching Circuit Schemes for a Single-Chip Fingerprint Sensor and Identifier
Satoshi SHIGEMATSU Hiroki MORIMURA Katsuyuki MACHIDA Yukio OKAZAKI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 1070-1078
Type of Manuscript:  PAPER
Category: Electronic Circuits
Keyword: 
pixel parallelimage processingpattern matchingfingerprintsensor
 Summary | Full Text:PDF

An Adaptive Fingerprint-Sensing Scheme for a User Authentication System with a Fingerprint Sensor LSI
Hiroki MORIMURA Satoshi SHIGEMATSU Toshishige SHIMAMURA Koji FUJII Chikara YAMAGUCHI Hiroki SUTO Yukio OKAZAKI Katsuyuki MACHIDA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/05/01
Vol. E87-C  No. 5  pp. 791-800
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
fingerprint sensoradaptive fingerprint-sensingadjustable A/D conversionfingerprint image quality evaluation
 Summary | Full Text:PDF

Ultralow-Voltage MTCMOS/SOI Circuits for Batteryless Mobile System
Takakuni DOUSEKI Masashi YONEMARU Eiji IKUTA Akira MATSUZAWA Atsushi KAMEYAMA Shunsuke BABA Tohru MOGAMI Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2004/04/01
Vol. E87-C  No. 4  pp. 437-447
Type of Manuscript:  INVITED PAPER (Special Section on Low-Power System LSI, IP and Related Technologies)
Category: 
Keyword: 
ultralow voltageultralow powerMTCMOS/SOIbatterylessambient energy
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The Influence of Stud Bumping above the MOSFETs on Device Reliability
Nobuhiro SHIMOYAMA Katsuyuki MACHIDA Masakazu SHIMAYA Hideo AKIYA Hakaru KYURAGI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/05/25
Vol. E83-A  No. 5  pp. 851-856
Type of Manuscript:  Special Section PAPER (Special Section on Reliability Theory and Its Applications)
Category: 
Keyword: 
stud bumpstressinterface trapshot carrierannealing
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A 0.25-µm BiCMOS Technology Using SOR X-Ray Lithography
Shinsuke KONAKA Hakaru KYURAGI Toshio KOBAYASHI Kimiyoshi DEGUCHI Eiichi YAMAMOTO Shigehisa OHKI Yousuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/03/25
Vol. E77-C  No. 3  pp. 355-361
Type of Manuscript:  Special Section PAPER (Special Issue on Quarter Micron Si Device and Process Technologies)
Category: Device Technology
Keyword: 
BiCMOSX-ray lithographySORself-aligned bipolarmetallization
 Summary | Full Text:PDF