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DE3688825D1 - Signalinterpolator. - Google Patents

Signalinterpolator.

Info

Publication number
DE3688825D1
DE3688825D1 DE8686307997T DE3688825T DE3688825D1 DE 3688825 D1 DE3688825 D1 DE 3688825D1 DE 8686307997 T DE8686307997 T DE 8686307997T DE 3688825 T DE3688825 T DE 3688825T DE 3688825 D1 DE3688825 D1 DE 3688825D1
Authority
DE
Germany
Prior art keywords
signal interpolator
interpolator
signal
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 - Lifetime
Application number
DE8686307997T
Other languages
English (en)
Other versions
DE3688825T2 (de
Inventor
Morgan William Amos David
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of DE3688825D1 publication Critical patent/DE3688825D1/de
Application granted granted Critical
Publication of DE3688825T2 publication Critical patent/DE3688825T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06T3/4007—Scaling of whole images or parts thereof, e.g. expanding or contracting based on interpolation, e.g. bilinear interpolation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/17—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method
    • G06F17/175—Function evaluation by approximation methods, e.g. inter- or extrapolation, smoothing, least mean square method of multidimensional data
    • 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)
  • Mathematical Physics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Image Processing (AREA)
  • Studio Circuits (AREA)
  • Feedback Control In General (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Color Television Systems (AREA)
DE86307997T 1985-10-21 1986-10-15 Signalinterpolator. Expired - Lifetime DE3688825T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8525926A GB2181923B (en) 1985-10-21 1985-10-21 Signal interpolators

Publications (2)

Publication Number Publication Date
DE3688825D1 true DE3688825D1 (de) 1993-09-09
DE3688825T2 DE3688825T2 (de) 1993-12-02

Family

ID=10587008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86307997T Expired - Lifetime DE3688825T2 (de) 1985-10-21 1986-10-15 Signalinterpolator.

Country Status (5)

Country Link
US (1) US4703353A (de)
EP (1) EP0220880B1 (de)
JP (1) JP2646532B2 (de)
DE (1) DE3688825T2 (de)
GB (1) GB2181923B (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5029001A (en) * 1986-08-14 1991-07-02 Sony Corporation NTSC compatible TV signal transmitting system for improving vertical resolution
JP2592810B2 (ja) * 1986-09-30 1997-03-19 株式会社東芝 サンプルレート変換回路
US4789933A (en) * 1987-02-27 1988-12-06 Picker International, Inc. Fractal model based image processing
US4774581A (en) * 1987-04-14 1988-09-27 Rca Licensing Corporation Television picture zoom system
US4792856A (en) * 1987-04-14 1988-12-20 Rca Licensing Corporation Sampled data memory system as for a television picture magnification system
US4755813A (en) * 1987-06-15 1988-07-05 Xerox Corporation Screening circuit for screening image pixels
US4816898A (en) * 1987-07-20 1989-03-28 Video Animation Systems, Inc. Digital video image converter
US4862271A (en) * 1987-07-27 1989-08-29 General Electric Company Video signal interpolator with peaking
US4914507A (en) * 1987-07-27 1990-04-03 General Electric Company Video signal time expansion/compression apparatus using programmed output values
GB2219458A (en) * 1988-06-01 1989-12-06 Philips Electronic Associated Processing sub-sampled signals
KR910008380B1 (ko) * 1988-07-11 1991-10-12 삼성전자 주식회사 줌 기능을 위한 어드레스 발생회로
DE69028075T2 (de) * 1989-06-16 1997-03-13 Eastman Kodak Co Digitaler bildinterpolator
GB2244887A (en) * 1990-04-11 1991-12-11 Rank Cintel Ltd Spatial transformation of video images
US6278803B1 (en) * 1990-04-26 2001-08-21 Canon Kabushiki Kaisha Interpolation apparatus for offset sampling signals
US5117289A (en) * 1990-04-26 1992-05-26 Lyon-Lamb Video Animation Real-time video image converter
US5173948A (en) * 1991-03-29 1992-12-22 The Grass Valley Group, Inc. Video image mapping system
KR950001562B1 (ko) * 1991-12-28 1995-02-25 주식회사금성사 Tv의 화면 종횡비 변환방법 및 장치
JP2766112B2 (ja) * 1992-02-18 1998-06-18 日本電気アイシーマイコンシステム株式会社 表示装置
US5828411A (en) * 1992-04-15 1998-10-27 Hitachi, Ltd. Low bit rate coder for still and motion images using sub-sampling
JP2793466B2 (ja) * 1992-06-11 1998-09-03 インターナショナル・ビジネス・マシーンズ・コーポレイション 画像の可変拡大方法及びその装置
JPH06233259A (ja) * 1992-10-29 1994-08-19 Daewoo Electron Co Ltd イメージデータ走査方式転換装置
DE69422871T2 (de) * 1993-09-17 2000-08-17 Eastman Kodak Co., Rochester Digitaler integrierter Abtastratenumwandlungsschaltkreis und Anwendung bei einer schnellen Grössenänderung eines Bildes
US5671296A (en) * 1994-02-15 1997-09-23 Unisys Corporation Method of electronically processing a quantized image
CA2193932C (en) 1995-12-26 2001-08-21 Shinji Nishii Process for producing isatoic anhydrides
KR100218318B1 (ko) * 1996-10-01 1999-09-01 문정환 주파수 변환장치
US5930407A (en) * 1996-10-31 1999-07-27 Hewlett-Packard Co. System and method for efficiently generating cubic coefficients in a computer graphics system
EP0847015A1 (de) * 1996-12-05 1998-06-10 Micronas Intermetall GmbH Digitale Filterkombination zur Interpolation
US7071992B2 (en) * 2002-03-04 2006-07-04 Macronix International Co., Ltd. Methods and apparatus for bridging different video formats
TWI286441B (en) * 2005-11-14 2007-09-01 Etron Technology Inc Scaling control device for image processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2303182A1 (de) * 1973-01-23 1974-07-25 Siemens Ag Einrichtung zum steuern einer verbrennungskraftmaschine
JPS54125917A (en) * 1978-03-24 1979-09-29 Toshiba Corp Electron zooming system
ATE14358T1 (de) 1980-11-26 1985-08-15 Studer Willi Ag Verfahren und schaltungsanordnung zur umsetzung der abtastfrequenz einer abtastfolge unter umgehung der konversion in ein kontinuierliches signal.
US4460958A (en) * 1981-01-26 1984-07-17 Rca Corporation Window-scanned memory
JPS58128078A (ja) * 1982-01-27 1983-07-30 Dainippon Screen Mfg Co Ltd メモリ装置の構成方法
DE3346570A1 (de) * 1983-12-23 1985-07-04 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zum erhoehen der aufloesung eines digitalisierten zeitabhaengigen signals
JPS60165186A (ja) * 1984-02-08 1985-08-28 Hitachi Ltd 走査線補間回路
US4603350A (en) * 1984-12-21 1986-07-29 Rca Corporation Interlaced digital video input filter/decimator and/or expander/interpolator filter

Also Published As

Publication number Publication date
EP0220880B1 (de) 1993-08-04
EP0220880A2 (de) 1987-05-06
JPS6297476A (ja) 1987-05-06
JP2646532B2 (ja) 1997-08-27
EP0220880A3 (en) 1989-07-26
US4703353A (en) 1987-10-27
GB2181923B (en) 1989-09-20
GB8525926D0 (en) 1985-11-27
GB2181923A (en) 1987-04-29
DE3688825T2 (de) 1993-12-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition