CA1204872A - On-chip ccd realization of the laplacian operator for image signal processing - Google Patents

On-chip ccd realization of the laplacian operator for image signal processing

Info

Publication number
CA1204872A
CA1204872A CA000454742A CA454742A CA1204872A CA 1204872 A CA1204872 A CA 1204872A CA 000454742 A CA000454742 A CA 000454742A CA 454742 A CA454742 A CA 454742A CA 1204872 A CA1204872 A CA 1204872A
Authority
CA
Canada
Prior art keywords
shift register
ccd
charge
inputs
channel
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000454742A
Other languages
English (en)
French (fr)
Inventor
Keith Pennington
Gene D. Rohrer
Savvas G. Chamberlain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1204872A publication Critical patent/CA1204872A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
    • H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/703—SSIS architectures incorporating pixels for producing signals other than image signals
    • H04N25/708—Pixels for edge detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/70—SSIS architectures; Circuits associated therewith
    • H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
    • H04N25/711—Time delay and integration [TDI] registers; TDI shift registers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Mushroom Cultivation (AREA)
  • Massaging Devices (AREA)
CA000454742A 1983-06-29 1984-05-18 On-chip ccd realization of the laplacian operator for image signal processing Expired CA1204872A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US509,831 1983-06-29
US06/509,831 US4568977A (en) 1983-06-29 1983-06-29 On-chip CCD realization of the Laplacian operator for image signal processing

Publications (1)

Publication Number Publication Date
CA1204872A true CA1204872A (en) 1986-05-20

Family

ID=24028260

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000454742A Expired CA1204872A (en) 1983-06-29 1984-05-18 On-chip ccd realization of the laplacian operator for image signal processing

Country Status (5)

Country Link
US (1) US4568977A (OSRAM)
EP (1) EP0130295B1 (OSRAM)
JP (1) JPS608985A (OSRAM)
CA (1) CA1204872A (OSRAM)
DE (1) DE3480314D1 (OSRAM)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2572822B1 (fr) * 1984-11-07 1986-12-26 Anizan Paul Dispositif analogique parallele de traitement local d'un signal bidimensionnel
JPS61236632A (ja) * 1985-03-29 1986-10-21 Nippon Electric Glass Co Ltd 生体用結晶化ガラス
US4965842A (en) * 1986-07-22 1990-10-23 Schlumberger Technologies, Inc. Method and apparatus for measuring feature dimensions using controlled dark-field illumination
US4839726A (en) * 1987-07-31 1989-06-13 Fairchild Weston Systems, Inc. Video enhancement method and system
FR2657207B1 (fr) * 1990-01-16 1992-04-10 Thomson Csf Dispositif a transfert de charges a dynamique elargie.
US5041912A (en) * 1990-01-18 1991-08-20 International Business Machines Corporation Averaging array for CCD imagers
US5854859A (en) * 1996-12-27 1998-12-29 Hewlett-Packard Company Image sharpening filter providing variable sharpening dependent on pixel intensity
US6658551B1 (en) * 2000-03-30 2003-12-02 Agere Systems Inc. Method and apparatus for identifying splittable packets in a multithreaded VLIW processor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4010319A (en) * 1975-11-20 1977-03-01 Rca Corporation Smear reduction in ccd imagers
US4011441A (en) * 1975-12-22 1977-03-08 General Electric Company Solid state imaging apparatus
US4011442A (en) * 1975-12-22 1977-03-08 General Electric Company Apparatus for sensing optical signals
US4129887A (en) * 1977-10-31 1978-12-12 General Electric Company Solid stage imaging apparatus
US4178614A (en) * 1978-08-24 1979-12-11 Rca Corporation Readout of a densely packed CCD
US4264930A (en) * 1979-12-10 1981-04-28 International Business Machines Corporation Charge coupled device incorporating Laplacian thresholding with TDI array
US4489390A (en) * 1981-03-20 1984-12-18 Massachusetts Institute Of Technology Spatial filter system

Also Published As

Publication number Publication date
EP0130295A3 (en) 1987-08-19
JPS608985A (ja) 1985-01-17
US4568977A (en) 1986-02-04
EP0130295B1 (en) 1989-10-25
EP0130295A2 (en) 1985-01-09
DE3480314D1 (en) 1989-11-30
JPH023232B2 (OSRAM) 1990-01-22

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