IT8148255A0 - Circuito di interpolazione bidimensionale per sistemi di correzione degli errori spaziali e di ombra per telecamere - Google Patents

Circuito di interpolazione bidimensionale per sistemi di correzione degli errori spaziali e di ombra per telecamere

Info

Publication number
IT8148255A0
IT8148255A0 IT8148255A IT4825581A IT8148255A0 IT 8148255 A0 IT8148255 A0 IT 8148255A0 IT 8148255 A IT8148255 A IT 8148255A IT 4825581 A IT4825581 A IT 4825581A IT 8148255 A0 IT8148255 A0 IT 8148255A0
Authority
IT
Italy
Prior art keywords
cameras
spatial
error correction
interpolation circuit
dimensional interpolation
Prior art date
Application number
IT8148255A
Other languages
English (en)
Other versions
IT1170884B (it
Inventor
John O Ryan
Joseph L Corkery
Original Assignee
Ampex
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 Ampex filed Critical Ampex
Publication of IT8148255A0 publication Critical patent/IT8148255A0/it
Application granted granted Critical
Publication of IT1170884B publication Critical patent/IT1170884B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/81—Camera processing pipelines; Components thereof for suppressing or minimising disturbance in the image signal generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Analogue/Digital Conversion (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
IT48255/81A 1980-04-11 1981-04-10 Circuito di interpolazione bidimensionale per sistemi di correzione degli errori spaziali e di ombra per telecamere IT1170884B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/139,512 US4354243A (en) 1980-04-11 1980-04-11 Two dimensional interpolation circuit for spatial and shading error corrector systems

Publications (2)

Publication Number Publication Date
IT8148255A0 true IT8148255A0 (it) 1981-04-10
IT1170884B IT1170884B (it) 1987-06-03

Family

ID=22487021

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48255/81A IT1170884B (it) 1980-04-11 1981-04-10 Circuito di interpolazione bidimensionale per sistemi di correzione degli errori spaziali e di ombra per telecamere

Country Status (9)

Country Link
US (1) US4354243A (it)
JP (1) JPS5713865A (it)
BE (1) BE888385A (it)
CA (1) CA1180107A (it)
DE (1) DE3114922C2 (it)
FR (1) FR2480544A1 (it)
GB (1) GB2073996B (it)
IT (1) IT1170884B (it)
NL (1) NL8101775A (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4309723A (en) * 1980-04-14 1982-01-05 Ampex Corporation Apparatus and method for registration and shading of color television cameras
DE3028066A1 (de) 1980-07-24 1982-02-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltungsanordnung zur korrektur gestoerter abtastwerte bei einer pcm-uebertragungseinrichtung, insbesondere einer digital-tonplatte
US4484230A (en) * 1981-02-04 1984-11-20 Crosfield Electronics Limited Image reproduction method and apparatus
US4414573A (en) * 1981-04-08 1983-11-08 Ampex Corporation Pattern recognition circuit for reliably distinguishing between different portions of a diascope pattern during video camera setup
JPS57206171A (en) * 1981-06-15 1982-12-17 Ricoh Co Ltd Shading compensating device
JPS57208765A (en) * 1981-06-18 1982-12-21 Dainippon Screen Mfg Co Ltd Signal interpolating method for memory device
US4524388A (en) * 1981-08-11 1985-06-18 Konishiroku Photo Industry Co., Ltd. Shading correction device
NL8200234A (nl) * 1982-01-22 1983-08-16 Philips Nv Afregelsysteem voor een televisiekamera.
US4500916A (en) * 1982-04-05 1985-02-19 Panavision, Inc. Automatic on-air registration system and method for color TV camera
JPS58223984A (ja) * 1982-06-23 1983-12-26 Hitachi Ltd カラ−テレビジヨンカメラ
US4422019A (en) * 1982-07-12 1983-12-20 Tektronix, Inc. Apparatus for providing vertical as well as horizontal smoothing of convergence correction signals in a digital convergence system
GB2132057B (en) * 1982-09-09 1986-04-23 Link Electronics Ltd Electro-optical image correction
GB2126827B (en) * 1982-09-09 1986-04-30 Link Electronics Ltd Electro-optical tube registration
GB2126855B (en) * 1982-09-09 1986-04-23 Link Electronics Ltd Focus correction
FR2548851B1 (fr) * 1983-07-07 1986-11-14 Electricite De France Procede et installation d'analyse et de restitution de signal a echantillonnage et interpolation
JPS60218181A (ja) * 1984-04-13 1985-10-31 Fujitsu Ltd 画像処理装置
US4649482A (en) * 1984-08-31 1987-03-10 Bio-Logic Systems Corp. Brain electrical activity topographical mapping
US4744029A (en) * 1984-08-31 1988-05-10 Bio-Logic Systems Corporation Brain electrical activity analysis and mapping
JPS61168078A (ja) * 1985-01-15 1986-07-29 インタ−ナショナル　ビジネス　マシ−ンズ　コ−ポレ−ション イメ−ジ処理方法
US4648119A (en) * 1985-03-18 1987-03-03 Tektronix, Inc. Method and apparatus for forming 3×3 pixel arrays and for performing programmable pattern contingent modifications of those arrays
DE3512631A1 (de) * 1985-04-06 1986-10-09 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur erzeugung von korrektursignalen fuer die raster- und/oder bildabschattungskorrektur
SE452386B (sv) * 1985-10-07 1987-11-23 Hasselblad Ab Victor Anordning vid apparater for astadkommande av en elektrisk signal representerande en bild
US5001651A (en) * 1986-11-10 1991-03-19 Auto-Trol Technology Corporation Method and apparatus for interpolating groups of pixels on a scan line
US4754334A (en) * 1987-01-08 1988-06-28 Management Graphics, Inc. Image recorder having automatic alignment method and apparatus
US4816913A (en) * 1987-11-16 1989-03-28 Technology, Inc., 64 Pixel interpolation circuitry as for a video signal processor
AU622879B2 (en) * 1987-11-16 1992-04-30 Intel Corporation Pixel interpolation circuitry as for a video signal processor
JP2618951B2 (ja) * 1988-02-16 1997-06-11 株式会社東芝 三次元図形処理装置
JP2737877B2 (ja) * 1988-03-31 1998-04-08 株式会社リコー ドット文字パターンの平滑化方式
US5197108A (en) * 1988-03-31 1993-03-23 Ricoh Company, Ltd. Smoothing method and apparatus for smoothing contour of character
US4864386A (en) * 1988-09-12 1989-09-05 Tektronix, Inc. Double display mode for differential gain
US5134496A (en) * 1989-05-26 1992-07-28 Technicolor Videocassette Of Michigan Inc. Bilateral anti-copying device for video systems
US5060172A (en) * 1989-07-06 1991-10-22 Digital Equipment Corporation Method and apparatus for displaying smooth-shaded objects
FR2652695B1 (fr) * 1989-10-03 1993-04-16 Thomson Csf Procede et dispositif de visualisation d'images, a correction automatique de defauts par contre-reaction.
US5157497A (en) * 1991-02-25 1992-10-20 Matsushita Electric Industrial Co., Ltd. Method and apparatus for detecting and compensating for white shading errors in a digitized video signal
US5677967A (en) * 1993-03-10 1997-10-14 R. R. Donnelley & Sons Company Method of and apparatus for converting between a color appearance space and a colorant space
US5739870A (en) * 1996-03-11 1998-04-14 Display Laboratories, Inc. Math engine for generating font gradients
JP3351704B2 (ja) * 1997-04-09 2002-12-03 ペンタックス株式会社 画像信号補正装置
JP2005507618A (ja) * 2001-11-01 2005-03-17 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ビデオデータのエッジ指向の補間
US20080231335A1 (en) * 2007-03-20 2008-09-25 Honeywell International Inc. Circuit to reduce duty cycle distortion
US7969224B2 (en) * 2007-03-20 2011-06-28 Honeywell International, Inc. Circuit to reduce duty cycle distortion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902011A (en) * 1969-11-12 1975-08-26 Meldreth Electronics Limited Image analysing
US3678258A (en) * 1970-09-29 1972-07-18 Electronic Associates Digitally controlled electronic function generator utilizing a breakpoint interpolation technique
US3919473A (en) * 1974-01-02 1975-11-11 Corning Glass Works Signal correction system
FR2284238A1 (fr) * 1974-09-03 1976-04-02 Bausch & Lomb Filtre de dispositif correcteur de glissement pour signaux video
US4170024A (en) * 1977-05-24 1979-10-02 Rca Corporation Television control system
GB1602618A (en) * 1977-05-30 1981-11-11 Rca Corp Automatic setup system for television camera
WO1979000717A1 (en) * 1978-03-06 1979-10-04 Rca Corp Automatic setup system for television cameras
US4285004A (en) * 1980-02-25 1981-08-18 Ampex Corporation Total raster error correction apparatus and method for the automatic set up of television cameras and the like

Also Published As

Publication number Publication date
GB2073996B (en) 1983-11-23
JPS5713865A (en) 1982-01-23
IT1170884B (it) 1987-06-03
FR2480544A1 (fr) 1981-10-16
DE3114922C2 (de) 1986-03-13
JPH0311149B2 (it) 1991-02-15
GB2073996A (en) 1981-10-21
US4354243A (en) 1982-10-12
NL8101775A (nl) 1981-11-02
FR2480544B1 (it) 1984-12-28
CA1180107A (en) 1984-12-27
BE888385A (fr) 1981-07-31
DE3114922A1 (de) 1982-05-06

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