DE69215256D1 - Einrichtung zur Umrissverbesserung - Google Patents

Einrichtung zur Umrissverbesserung

Info

Publication number
DE69215256D1
DE69215256D1 DE69215256T DE69215256T DE69215256D1 DE 69215256 D1 DE69215256 D1 DE 69215256D1 DE 69215256 T DE69215256 T DE 69215256T DE 69215256 T DE69215256 T DE 69215256T DE 69215256 D1 DE69215256 D1 DE 69215256D1
Authority
DE
Germany
Prior art keywords
improvement facility
outline
outline improvement
facility
improvement
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 - Fee Related
Application number
DE69215256T
Other languages
English (en)
Other versions
DE69215256T2 (de
Inventor
Yosuke Izawa
Naoji Okumura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69215256D1 publication Critical patent/DE69215256D1/de
Application granted granted Critical
Publication of DE69215256T2 publication Critical patent/DE69215256T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
DE69215256T 1991-03-26 1992-03-25 Einrichtung zur Umrissverbesserung Expired - Fee Related DE69215256T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3061618A JPH0757009B2 (ja) 1991-03-26 1991-03-26 輪郭補正装置

Publications (2)

Publication Number Publication Date
DE69215256D1 true DE69215256D1 (de) 1997-01-02
DE69215256T2 DE69215256T2 (de) 1997-05-15

Family

ID=13176346

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69215256T Expired - Fee Related DE69215256T2 (de) 1991-03-26 1992-03-25 Einrichtung zur Umrissverbesserung

Country Status (5)

Country Link
US (1) US5247361A (de)
EP (1) EP0505999B1 (de)
JP (1) JPH0757009B2 (de)
CA (1) CA2063849C (de)
DE (1) DE69215256T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950000326B1 (ko) * 1991-12-27 1995-01-13 삼성전자 주식회사 윤곽보정장치
JP3480615B2 (ja) * 1994-12-28 2003-12-22 ソニー株式会社 映像信号処理装置
GB9519767D0 (en) * 1995-09-28 1995-11-29 Snell & Wilcox Ltd Video signal processing
CA2231828C (en) 1995-09-28 2007-05-29 Snell & Wilcox Limited Video signal processing
KR100225583B1 (ko) * 1996-12-28 1999-10-15 전주범 윤곽 보정 방법 및 이를 수행하기 위한 윤곽보정 회로
WO2001022729A1 (en) * 1999-09-20 2001-03-29 Tivo, Inc. Closed caption tagging system
EP1359747A4 (de) 2001-05-11 2007-07-18 Matsushita Electric Ind Co Ltd Konturkorrektur eines videosignals
US8184203B1 (en) 2009-07-07 2012-05-22 The Yves Faroudja Project Video enhancement with separate and distinct methods of enhancement for single transitions and double transitions of opposite polarity
WO2011141291A1 (en) * 2010-05-10 2011-11-17 Oce-Technologies B.V. Method to restore edges in rasterized images

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3103099C2 (de) * 1981-01-30 1987-01-22 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur Erzeugung eines Aperturkorrektursignals
JPS6276871A (ja) * 1985-09-30 1987-04-08 Toshiba Corp 画質補正回路
US4758891A (en) * 1986-10-20 1988-07-19 North American Philips Consumer Electronics Corp. Method and apparatus for improving the rise and fall time of a video signal
JPS6439185A (en) * 1987-08-04 1989-02-09 Victor Company Of Japan Enhancing circuit
JPH02222267A (ja) * 1989-02-22 1990-09-05 Toshiba Corp 輪郭補正回路
KR930002906B1 (ko) * 1989-12-23 1993-04-15 삼성전자 주식회사 윤곽 보정회로

Also Published As

Publication number Publication date
EP0505999A3 (en) 1993-06-09
CA2063849A1 (en) 1992-09-27
CA2063849C (en) 1997-10-14
US5247361A (en) 1993-09-21
EP0505999B1 (de) 1996-11-20
JPH0757009B2 (ja) 1995-06-14
DE69215256T2 (de) 1997-05-15
JPH04296171A (ja) 1992-10-20
EP0505999A2 (de) 1992-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee