DE3515037C2 - - Google Patents

Info

Publication number
DE3515037C2
DE3515037C2 DE3515037A DE3515037A DE3515037C2 DE 3515037 C2 DE3515037 C2 DE 3515037C2 DE 3515037 A DE3515037 A DE 3515037A DE 3515037 A DE3515037 A DE 3515037A DE 3515037 C2 DE3515037 C2 DE 3515037C2
Authority
DE
Germany
Prior art keywords
image
signals
addresses
address
memory
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
DE3515037A
Other languages
German (de)
English (en)
Other versions
DE3515037A1 (de
Inventor
Brian Robert Gordon Nonweiler
Robin David Newbury Berkshire Gb Crane
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.)
Quantel Ltd
Original Assignee
Quantel Ltd
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 Quantel Ltd filed Critical Quantel Ltd
Publication of DE3515037A1 publication Critical patent/DE3515037A1/de
Application granted granted Critical
Publication of DE3515037C2 publication Critical patent/DE3515037C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Circuits (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
DE19853515037 1984-04-25 1985-04-25 Bildsignalverarbeitungsvorrichtung Granted DE3515037A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848410596A GB8410596D0 (en) 1984-04-25 1984-04-25 Video signal processing

Publications (2)

Publication Number Publication Date
DE3515037A1 DE3515037A1 (de) 1985-10-31
DE3515037C2 true DE3515037C2 (en, 2012) 1987-05-27

Family

ID=10560075

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853515037 Granted DE3515037A1 (de) 1984-04-25 1985-04-25 Bildsignalverarbeitungsvorrichtung

Country Status (5)

Country Link
US (1) US4757384A (en, 2012)
JP (1) JPH069377B2 (en, 2012)
DE (1) DE3515037A1 (en, 2012)
FR (1) FR2563677B1 (en, 2012)
GB (2) GB8410596D0 (en, 2012)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4746981A (en) * 1986-06-16 1988-05-24 Imtech International, Inc. Multiple screen digital video display
JP2771809B2 (ja) * 1987-04-17 1998-07-02 ソニー株式会社 特殊効果装置
US4914507A (en) * 1987-07-27 1990-04-03 General Electric Company Video signal time expansion/compression apparatus using programmed output values
DE68909470T2 (de) * 1988-04-12 1994-02-10 Matsushita Electric Ind Co Ltd Bildaufnahmegerät.
US5067019A (en) * 1989-03-31 1991-11-19 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Programmable remapper for image processing
GB8910380D0 (en) * 1989-05-05 1989-06-21 Quantel Ltd Video processing
EP0449478A3 (en) * 1990-03-29 1992-11-25 Microtime Inc. 3d video special effects system
US5173948A (en) * 1991-03-29 1992-12-22 The Grass Valley Group, Inc. Video image mapping system
US5432528A (en) * 1991-04-12 1995-07-11 Abekas Video Systems, Inc. Video combiner
US6243131B1 (en) 1991-05-13 2001-06-05 Interactive Pictures Corporation Method for directly scanning a rectilinear imaging element using a non-linear scan
US5243433A (en) * 1992-01-06 1993-09-07 Eastman Kodak Company Digital image interpolation system for zoom and pan effects
EP0578950A3 (en) * 1992-07-15 1995-11-22 Ibm Method and apparatus for converting floating-point pixel values to byte pixel values by table lookup
US5572235A (en) * 1992-11-02 1996-11-05 The 3Do Company Method and apparatus for processing image data
US5694149A (en) * 1993-07-01 1997-12-02 Intel Corporation Vertically scaling image signals using digital differential accumulator processing
US5489940A (en) * 1994-12-08 1996-02-06 Motorola, Inc. Electronic imaging system and sensor for correcting the distortion in a wide-angle lens
JPH08275737A (ja) * 1995-04-06 1996-10-22 Kanai Masaharu まりも状食品およびその製造方法
US5838296A (en) * 1995-08-31 1998-11-17 General Instrument Corporation Apparatus for changing the magnification of video graphics prior to display therefor on a TV screen
US6108746A (en) * 1996-04-26 2000-08-22 Hitachi, Ltd. Semiconductor memory having an arithmetic function and a terminal arrangement for coordinating operation with a higher processor
JP4131052B2 (ja) 1998-07-17 2008-08-13 ソニー株式会社 撮像装置
US20050231643A1 (en) * 2004-03-26 2005-10-20 Ross Video Limited Method, system and device for real-time non-linear video transformations
JP4662737B2 (ja) * 2004-06-17 2011-03-30 セイコーＮｐｃ株式会社 アッテネータ、アッテネータの減衰量取得方法及びプログラム
US7706629B2 (en) * 2006-02-24 2010-04-27 Apple Inc. Methods and apparatuses for pixel transformations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999127A (en) * 1957-10-14 1961-09-05 Philco Corp Amplitude selective amplifying system
GB1594341A (en) * 1976-10-14 1981-07-30 Micro Consultants Ltd Picture information processing system for television
GB2046053B (en) * 1979-03-22 1983-06-15 Micro Consultants Ltd Digital video processor
GB2119594B (en) * 1982-03-19 1986-07-30 Quantel Ltd Video processing systems
GB8306339D0 (en) * 1982-03-19 1983-04-13 Quantel Ltd Video processing systems
JPS58219664A (ja) * 1982-06-15 1983-12-21 Sony Corp 画像変換装置
US4590520A (en) * 1983-11-28 1986-05-20 Ball Corporation Method and apparatus for detecting and filling-in dead spots of video signals from an image sensor

Also Published As

Publication number Publication date
GB2157910A (en) 1985-10-30
GB2157910B (en) 1987-04-29
DE3515037A1 (de) 1985-10-31
JPS6163165A (ja) 1986-04-01
GB8507877D0 (en) 1985-05-01
FR2563677B1 (fr) 1989-02-03
JPH069377B2 (ja) 1994-02-02
GB8410596D0 (en) 1984-05-31
US4757384A (en) 1988-07-12
FR2563677A1 (fr) 1985-10-31

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee