600-dpi Capacitive fingerprint sensor chip and image-synthesis technique

IEEE Journal of Solid-State Circuits

Volumn 34, Issue 4, 1999, Pages 469-475

  Lee, Jeong Woo ^a   Min, Dong Jin ^a   Kim, Jiyoun ^b   Kim, Wonchan ^a  

^a Seoul National University   (South Korea)

^b UNIVERSITY OF MICHIGAN   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; CAPACITORS; MICROPROCESSOR CHIPS;

CAPACITIVE FINGERPRINT SENSORS; IMAGE SYNTHESIS;

IMAGE SENSORS;

EID: 0033115597     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/4.753679     Document Type: Article

References (10)

1. L. Coetzee and E. Botha, "Fingerprint recognition in low quality images." Pattern Recognit., vol. 26, pp. 1441-1460, Oct. 1993.
2. T. Scheiter, M. Biebl, and H. Close, "Sensor for sensing fingerprints and method for producing the sensor," U.S. patent 5 373 181, Dec. 13, 1994.
3. Thomson-CSF, "FCDEMO2: 500 dpi sweep fingerprint sensor," Finger-Chip Family Datasheet, May 1997.
4. C. Tsikos, "Capacitive fingerprint sensor," U.S. Patent 4 353 056, Oct. 5, 1982.
5. A. G. Knapp, "Fingerprint sensing device and recognition system having predetermined electrode activation," U.S. Patent 5 325 442, June 28, 1994.
6. N. Young, G. Harkin, R. Bunn, D. McCulloch, R. Wilks, and A. Knapp, "Novel fingerprint scanning arrays using polysilicon TFT's on glass and polymer substrates," IEEE Electron Device Lett., vol. 18, pp. 19-20, Jan. 1997.
7. M. Tartagni and R. Guerrieri, "A 390 dpi Live Fingerprint Imager Based on Feedback Capacitive Sensing Scheme," in ISSCC Dig. Tech. Papers, Feb. 1997, pp. 200-201.
8. _, "A fingerprint sensor based on the feedback capacitive sensing scheme," IEEE J. Solid-State Circuits, vol. 33, pp. 133-142, Jan. 1998.
9. D. Inglis, L. Manchanda, R. Comizzoli, A. Dickinson, E. Martin, S. Mendis, P. Silverman, G. Weber, B. Ackland, and L. O'Gorman, "A robust, 1.8 V 250 μW direct-contact 500 dpi fingerprint sensor," in ISSCC Dig. Tech. Papers, Feb. 1998, pp. 284-285.
10. M.-K. Kim, E. Kim, D. Shim, S.-I. Jang, G. Kim, and W. Kim, "An efficient global motion characterization method for image processing applications," IEEE Trans. Consumer Electron., vol. 43, pp. 1010-1018, Nov. 1997.