Yukio OKAZAKI


Logic and Analog Test Schemes for a Single-Chip Pixel-Parallel Fingerprint Identification LSI
Satoshi SHIGEMATSU Hiroki MORIMURA Toshishige SHIMAMURA Takahiro HATANO Namiko IKEDA Yukio OKAZAKI Katsuyuki MACHIDA Mamoru NAKANISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 1892-1899
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: Image Sensor/Vision Chip
Keyword: 
testpixel parallelsensorfingerprint identificationsingle chiphigh-functional deviceMEMS
 Summary | Full Text:PDF(1.2MB)

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(2.3MB)

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(1.7MB)

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(2.2MB)

Capacitance-Voltage Characteristics of Buried-Channel MOS Capacitors with a Structure of Subquarter-Micron pMOS
Masayasu MIYAKE Yukio OKAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/03/25
Vol. E79-C  No. 3  pp. 430-436
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
C-V characteristicsburied-channel MOS capacitorsubquarter-micron pMOSdoping profilethin gate oxide
 Summary | Full Text:PDF(568.8KB)