A sub-1V dual-threshold domino circuit using product-of-sum logic. - Koji Fujii; Takakuni Douseki; Yuichi Kado (ISLPED, 2001)

A 500-dpi cellular-logic processing array for fingerprint-image enhancement and verification. - Koji Fujii; Mamoru Nakanishi; Satoshi Shigematsu; Hiroki Morimura; Takahiro Hatano; Namiko Ikeda; Toshishige Shimamura; Yukio Okazaki; Hakaru Kyuragi (CICC, 2002)

Fingerprint Image Enhancement by Pixel-Parallel Processing. - Namiko Ikeda; Mamoru Nakanishi; Koji Fujii; Takahiro Hatano; Satoshi Shigematsu; Takuya Adachi; Yukio Okazaki; Hakaru Kyuragi (ICPR (3), 2002)

A 2-Mb/s, UHF-band, wireless sensor node for real-time multi-point sensing. - Koji Fujii; Jun Terada; Junichi Kodate; Tsuneo Tsukahara; Shin'ichiro Mutoh; Yuichi Kado (ISCAS (4), 2004)

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 (IEICE Trans. Electron., 2006)