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Method and apparatus for contextual data enhancement 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/00
출원번호 US-0816865 (1986-01-07)
발명자 / 주소
  • Capello Richard D. (Orange CA) Mabry George R. (Fullerton CA)
출원인 / 주소
  • De La Rue Printrak, Inc. (Anaheim CA 02)
인용정보 피인용 횟수 : 60  인용 특허 : 9

초록 ▼

A fingerprint image enhancement and identification system, wherein image data in digital form, is analyzed in three basic scan windows which are clocked through a matrix array of data elements each containing either intensity data, direction data or both. Using a least summed contrast method, the fi

대표청구항 ▼

A method for enhancing data contained in data elements of an N×M matrix of data elements, each data element containing data representative of an intensity within a range of intensities, the method comprising: (a) selecting a Y×Y direction estimate scan window of data elements, from within the N×M ma

이 특허에 인용된 특허 (9)

  1. Riganati John P. (Yorba Linda CA) Vitols Visvaldis A. (Orange CA), Automatic pattern processing system.
    상세보기
  2. Riganati ; John P. ; Vitols ; Visvaldis A., Binary image minutiae detector.
    상세보기
  3. Crawley Barry J. (Costa Mesa CA), Line follower.
    상세보기
  4. Riganati John P. (Yorba Linda CA) Capello Richard D. (Orange CA) Brown Gerald D. (Mission Viejo CA) Bolton Norman L. (Riverside CA) Csiszer Alexander (Orange CA), Method and apparatus for automatic extraction of fingerprint cores and tri-radii.
    상세보기
  5. Ejiri Koichi (Narashino JPX), Method of assigning direction code to boundary picture element in character recognition system.
    상세보기
  6. Riganati John P. (Yorba Linda CA) Vitols Visvaldis A. (Orange CA), Minutiae pattern matcher.
    상세보기
  7. Chang Tien-Lin (Orange CA) Kabaian Jimmy H. (Santa Ana CA) Riganati John P. (Yorba Linda CA) White Stanley A. (Santa Ana CA), Non-fingerprint region indicator.
    상세보기
  8. Vitols Visvaldis A. (Orange CA) Riganati John P. (Yorba Linda CA), Operator interactive pattern processing system.
    상세보기
  9. Riganati John P. (Yorba Linda CA) Vitols Visvaldis A. (Orange CA), Two-dimensional binary data enhancement system.
    상세보기

이 특허를 인용한 특허 (60)

  1. Scott Walter Guy ; Brunell David ; Kahn Matthew ; McClurg George William, Access control unit interface.
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  2. Scott, Walter Guy; Fedele, Dean; Carver, John F., Adjustable, rotatable finger guide in a tenprint scanner with movable prism platen.
    상세보기
  3. Lo,Peter Zhen Ping, Automatic fingerprint identification system and method.
    상세보기
  4. Yeh, Hsueh-Li J.; Cheng, Ericson W.; Russo, Anthony P., Automatic gain amplifier for biometric sensor device.
    상세보기
  5. Zyzdryn,Gregory, Biometric imaging capture system and method.
    상세보기
  6. McClurg,George W; Carver,John F; Scott,Walter G; Zyzdryn,Gregory, Biometric imaging system and method.
    상세보기
  7. McClurg,George W; Carver,John F; Scott,Walter G; Zyzdryn,Gregory, Biometric imaging system and method.
    상세보기
  8. Novikov Sergey Olegovich,RUX ; Chernomordik Oleg Mikhailovich,RUX, Biometric system for biometric input, comparison, authentication and access control and method therefor.
    상세보기
  9. Irving,Richard D.; Scott,Walter Guy, Calibration and correction in a fingerprint scanner.
    상세보기
  10. Dickinson, Alexander G.; McPherson, Ross; Mendis, Sunetra; Ross, Paul C., Capacitive fingerprint sensor with adjustable gain.
    상세보기
  11. Scott Walter Guy ; Davis James E., Code reader fingerprint scanner.
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  12. Harrington,Steven J., Color calibration alarm apparatus and method for use in an image-rendering device.
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  13. Bjorn, Vance C.; Belongie, Serge J., Configurable multi-function touchpad device.
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  14. Bjorn Vance, Cryptographic key generation using biometric data.
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  15. Cannon,Greg L, Dynamic image adaptation method for adjusting the quality of digital prints.
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  16. Lo Zhen-Ping Peter ; Bavarian Behnam, Expert matcher fingerprint system.
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  17. Takhar Harinder S. ; Wendt Barry M. ; Wittig Benedict A., Fingerprint analyzing and encoding system.
    상세보기
  18. Belongie Serge J. ; Bjorn Vance C., Fingerprint detection apparatus with partial fingerprint images.
    상세보기
  19. Ort James R. (Kenmore NY) Lange Douglas L. (Snyder NY) Kiefer Frederick W. (Williamsville NY) Dennison Raymond J. (West Seneca NY), Fingerprint identification system.
    상세보기
  20. Bjorn Vance C. ; Belongie Serge J., Fingerprint recognition system.
    상세보기
  21. Bjorn, Vance C.; Belongie, Serge J., Fingerprint recognition system.
    상세보기
  22. Bjorn, Vance C.; Belongie, Serge J., Fingerprint recognition system.
    상세보기
  23. Bjorn,Vance C.; Belongie,Serge J., Fingerprint recognition system.
    상세보기
  24. Smith, David C., Fingerprint scanner auto-capture system and method.
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  25. Smith,David C., Fingerprint scanner auto-capture system and method.
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  26. Zhou Gan ; Qiao Yong ; Mok Fai, Fingerprint sensing system using a sheet prism.
    상세보기
  27. Scott Walter Guy ; Davis James E. ; Betensky Ellis,CAX, Hand-held fingerprint recognition and transmission device.
    상세보기
  28. McClurg, George William; Brunell, David; Scott, Walter Guy, Hand-held fingerprint scanner with on-board image normalization data storage.
    상세보기
  29. Fujii, Yusaku, Image connection method, and program and apparatus therefor.
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  30. Fujii, Yusaku, Image connection method, and program and apparatus therefor.
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  31. Scott Walter Guy ; Fedele Dean J., Individualized fingerprint scanner.
    상세보기
  32. Scott, Walter Guy; Fedele, Dean J., Individualized fingerprint scanner.
    상세보기
  33. McClurg, George W.; Fedele, Dean J., Light wedge for illuminating a platen in a print scanner.
    상세보기
  34. McClurg, George W.; Fedele, Dean J., Light wedge for illuminating a platen in a print scanner.
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  35. Brownlee Kenneth, Method and apparatus for illuminating a fingerprint through side illumination of a platen.
    상세보기
  36. Martinez,Chris J; Scott,Walter Guy, Method and apparatus for rolled fingerprint capture.
    상세보기
  37. Brownlee Kenneth, Method and apparatus for scanning a fingerprint using a linear sensor.
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  38. Brownlee Kenneth, Method and apparatus for scanning a fingerprint using a linear sensor within a cursor control device.
    상세보기
  39. Kanda Shinji (Kawasaki JPX) Wakitani Jun (Kawasaki JPX) Maruyama Tsugito (Kawasaki JPX) Morita Toshihiko (Kawasaki JPX), Method for determining orientation of contour line segment in local area and for determining straight line and corner.
    상세보기
  40. Kanda Shinji,JPX ; Wakitani Jun,JPX ; Maruyama Tsugito,JPX ; Morita Toshihiko,JPX, Method for determining orientation of contour line segment in local area and for determining straight line and corner.
    상세보기
  41. Yoon, Jun Sung; Kim, Dong Hun; Joe, Chul Min; Jung, Soon Won; Lee, Hwi Seok; Lee, Byun Jin; Lee, Dong Won; Lee, Taek Ki, Method for extracting fingerprint feature data using ridge orientation model.
    상세보기
  42. Bjorn Vance ; Righi Fabio, Method for using fingerprints to distribute information over a network.
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  43. Barton,Gary; Carver,John F.; Scott,Walter Guy; Smith,Tillman, Method, system, and computer program product for control of platen movement during a live scan.
    상세보기
  44. Scott,Walter Guy; Fedele,Dean J., Methods for capturing fingerprint images using a moving platen.
    상세보기
  45. Lo,Peter Zhen Ping, Minutiae matching system and method.
    상세보기
  46. Fernandez,Frank E.; Siegel,William G., Mobile handheld code reader and print scanner system and method.
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  47. Haney Daniel E. ; Haney Matthew J. ; Poulin Michael ; Alford William Damon, Multiple printing process pin registration method and apparatus.
    상세보기
  48. Haney Daniel E. ; Haney Matthew J., Multiple printing process registration method.
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  49. Scott, Walter G.; Van Dusen, John; Irving, Richard D., Palm scanner using a programmable nutating mirror for increased resolution.
    상세보기
  50. McClurg, George William; Brunell, David; Scott, Walter Guy, Rechargeable mobile hand-held fingerprint scanner with a data and power communication interface.
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  51. Arnold,Joe F.; Bardons,Charles P., Silicone rubber surfaces for biometric print TIR prisms.
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  52. Lo,Peter Zhen Ping; Sankar,Pathamadai V., Slap print segmentation system and method.
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  53. Muthukrishnan, Shanmugavelayutham; Strauss, Martin J., Space- and time-efficient management and summarization of data using intermediate summary structure and hierarchical multidimensional histogram.
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  54. Muthukrishnan, Shanmugavelayutham; Strauss, Martin J., Space- and time-efficient management and summarization of data using intermediate summary structure and hierarchical multidimensional histogram.
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  55. Cannon,Gregory L.; Smith,David C., System and method for counting ridges in a captured print image.
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  56. Scott,Walter G, System and method for sending a packet with position address and line scan data over an interface cable.
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  57. Siegel, William G.; McClurg, George W.; Cannon, Greg L., System and methods for access control utilizing two factors to control access.
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  58. Arnold, Joseph F.; Carver, John F.; Francis, Trent G.; Irving, Richard D.; McClurg, George W.; Scott, Walter G., Systems and methods for illuminating a platen in a print scanner.
    상세보기
  59. Arnold,Joseph F.; Carver,John F.; Francis,Trent G.; Irving,Richard D.; McClurg,George W.; Scott,Walter G., Systems and methods for illuminating a platen in a print scanner.
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  60. Siegel,William G.; Cannon,Greg L.; Fernandez,Frank E., Systems and methods utilizing biometric data.
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