Koji FUJII


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

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

A Sub-1 V Bootstrap Pass-Transistor Logic
Koji FUJII Takakuni DOUSEKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/04/01
Vol. E86-C  No. 4  pp. 604-611
Type of Manuscript:  Special Section PAPER (Special Issue on High-Performance, Low-Power System LSIs and Related Technologies)
Category: Circuit Design
Keyword: 
pass-transistor logicbootstraplow voltageadder
 Summary | Full Text:PDF

Energy-Reduction Effect of Ultralow-Voltage MTCMOS/SIMOX Circuits Using a Graph with Equispeed and Equienergy Lines
Takakuni DOUSEKI Toshishige SHIMAMURA Koji FUJII Junzo YAMADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/02/25
Vol. E83-C  No. 2  pp. 212-219
Type of Manuscript:  Special Section PAPER (Special Issue on Low-Power High-Speed CMOS LSI Technologies)
Category: 
Keyword: 
ultralow-voltage circuitmulti-threshold CMOSSIMOXSOI
 Summary | Full Text:PDF