FI861273A - Bildreduceringsteknik. - Google Patents

Bildreduceringsteknik. Download PDF

Info

Publication number
FI861273A
FI861273A FI861273A FI861273A FI861273A FI 861273 A FI861273 A FI 861273A FI 861273 A FI861273 A FI 861273A FI 861273 A FI861273 A FI 861273A FI 861273 A FI861273 A FI 861273A
Authority
FI
Finland
Prior art keywords
bildreduceringsteknik
Prior art date
Application number
FI861273A
Other languages
English (en)
Other versions
FI861273A0 (fi
Inventor
Michael Schiller
Original Assignee
Fingermatrix Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fingermatrix Inc filed Critical Fingermatrix Inc
Publication of FI861273A0 publication Critical patent/FI861273A0/fi
Publication of FI861273A publication Critical patent/FI861273A/fi

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T3/00—Geometric image transformations in the plane of the image
    • G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/40068—Modification of image resolution, i.e. determining the values of picture elements at new relative positions

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Image Input (AREA)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FI861273A 1985-03-27 1986-03-25 Bildreduceringsteknik. FI861273A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/716,487 US4723298A (en) 1985-03-27 1985-03-27 Image compression technique

Publications (2)

Publication Number Publication Date
FI861273A0 FI861273A0 (fi) 1986-03-25
FI861273A true FI861273A (fi) 1986-09-28

Family

ID=24878185

Family Applications (1)

Application Number Title Priority Date Filing Date
FI861273A FI861273A (fi) 1985-03-27 1986-03-25 Bildreduceringsteknik.

Country Status (8)

Country Link
US (1) US4723298A (fi)
EP (1) EP0196046A3 (fi)
JP (1) JPS61224730A (fi)
KR (1) KR860007603A (fi)
DK (1) DK138986A (fi)
FI (1) FI861273A (fi)
IL (1) IL78184A0 (fi)
NO (1) NO861058L (fi)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829453A (en) * 1987-03-05 1989-05-09 Sharp Kabushiki Kaisha Apparatus for cataloging and retrieving image data
USRE33316E (en) * 1986-03-18 1990-08-28 Sharp Kabushiki Kaisha Apparatus for cataloging and retrieving image data
US4903313A (en) * 1986-07-03 1990-02-20 Ricoh Company, Ltd. Character recognition method
DE3854335T2 (de) * 1987-02-17 1996-02-08 Sharp Kk Bildsignalbinärcodierer.
JPS63201878A (ja) * 1987-02-18 1988-08-19 Hitachi Ltd 画像圧縮方式
JPH01295570A (ja) * 1988-05-23 1989-11-29 Mitsubishi Electric Corp 画像処理装置
WO1990009005A1 (en) * 1989-01-24 1990-08-09 Eastman Kodak Company Method and apparatus for thresholding an image signal
JP2940936B2 (ja) * 1989-06-06 1999-08-25 株式会社リコー 表領域識別方法
US5065149A (en) * 1989-11-09 1991-11-12 Document Technologies, Inc. Scanned document image resolution enhancement
EP0429283B1 (en) * 1989-11-20 1999-01-20 Canon Kabushiki Kaisha Image processing apparatus
US5261008A (en) * 1990-08-07 1993-11-09 Yozan, Inc. Fingerprint verification method
DE69124312T2 (de) * 1990-08-07 1997-05-07 Sharp Kk Verfahren zur Prüfung von Fingerabdrücken
EP0521507A3 (en) * 1991-07-04 1993-12-15 Ezel Inc Fingerprint data processing method
JPH05268462A (ja) * 1992-03-19 1993-10-15 Mitsubishi Electric Corp 画像処理装置
EP0567697A1 (en) * 1992-04-29 1993-11-03 Yiu Keung Chan Method for spatial domain image compression
US6002787A (en) * 1992-10-27 1999-12-14 Jasper Consulting, Inc. Fingerprint analyzing and encoding system
US6501853B1 (en) 1994-06-27 2002-12-31 International Business Machines Corporation Apparatus and method for processing video data
US5796858A (en) * 1996-05-10 1998-08-18 Digital Persona, Inc. Fingerprint sensing system using a sheet prism
US6125192A (en) * 1997-04-21 2000-09-26 Digital Persona, Inc. Fingerprint recognition system
US6122737A (en) * 1997-11-14 2000-09-19 Digital Persona, Inc. Method for using fingerprints to distribute information over a network
US6035398A (en) * 1997-11-14 2000-03-07 Digitalpersona, Inc. Cryptographic key generation using biometric data
US6324310B1 (en) 1998-06-02 2001-11-27 Digital Persona, Inc. Method and apparatus for scanning a fingerprint using a linear sensor
US6188781B1 (en) 1998-07-28 2001-02-13 Digital Persona, Inc. Method and apparatus for illuminating a fingerprint through side illumination of a platen
US6950539B2 (en) * 1998-09-16 2005-09-27 Digital Persona Configurable multi-function touchpad device
US6097035A (en) * 1999-02-22 2000-08-01 Digital Persona, Inc. Fingerprint detection apparatus with partial fingerprint images
KR100460825B1 (ko) * 2001-02-14 2004-12-09 테스텍 주식회사 지문이미지 취득방법
US8078007B2 (en) 2008-01-08 2011-12-13 Seiko Epson Corporation Enlarging a digital image
CN107222477B (zh) * 2017-05-27 2018-01-02 国网山东省电力公司 一种设备接入识别认证系统和方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3560930A (en) * 1968-01-15 1971-02-02 Ibm Method and apparatus for reducing data in a pattern recognition system
US3849760A (en) * 1971-07-12 1974-11-19 Hitachi Ltd Multi-dimensional pattern recognition processor
US3973239A (en) * 1973-10-17 1976-08-03 Hitachi, Ltd. Pattern preliminary processing system
US3975711A (en) * 1974-08-30 1976-08-17 Sperry Rand Corporation Real time fingerprint recording terminal
US4003024A (en) * 1975-10-14 1977-01-11 Rockwell International Corporation Two-dimensional binary data enhancement system
IT1055651B (it) * 1975-11-03 1982-01-11 Elsag Sistema elettronico per la lettura di simboli
GB1597484A (en) * 1977-03-21 1981-09-09 Rca Corp Television picture compressor
US4184206A (en) * 1978-03-07 1980-01-15 Hughes Aircraft Company Subpixel X-Y coordinate encoding
JPS54126415A (en) * 1978-03-24 1979-10-01 Ricoh Co Ltd High-density picture element forecasting-restoring method
JPS5533348A (en) * 1978-08-31 1980-03-08 Fuji Xerox Co Ltd Noise elimination system
US4225850A (en) * 1978-11-15 1980-09-30 Rockwell International Corporation Non-fingerprint region indicator
JPS55162179A (en) * 1979-06-02 1980-12-17 Ricoh Co Ltd Picture processing method
JPS56119574A (en) * 1980-02-25 1981-09-19 Ricoh Co Ltd Method and device for picture element density conversion
JPH119574A (ja) * 1997-06-24 1999-01-19 Matsushita Electric Ind Co Ltd 運動機能検査装置

Also Published As

Publication number Publication date
EP0196046A3 (en) 1986-12-30
DK138986D0 (da) 1986-03-25
KR860007603A (ko) 1986-10-15
DK138986A (da) 1986-09-28
NO861058L (no) 1986-09-29
JPS61224730A (ja) 1986-10-06
EP0196046A2 (en) 1986-10-01
IL78184A0 (en) 1986-07-31
US4723298A (en) 1988-02-02
FI861273A0 (fi) 1986-03-25

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Legal Events

Date Code Title Description
FA Application withdrawn

Owner name: FINGERMATRIX, INC.