DE3786623D1 - Schaltung zur verarbeitung vom videosignal. - Google Patents

Schaltung zur verarbeitung vom videosignal.

Info

Publication number
DE3786623D1
DE3786623D1 DE8787308106T DE3786623T DE3786623D1 DE 3786623 D1 DE3786623 D1 DE 3786623D1 DE 8787308106 T DE8787308106 T DE 8787308106T DE 3786623 T DE3786623 T DE 3786623T DE 3786623 D1 DE3786623 D1 DE 3786623D1
Authority
DE
Germany
Prior art keywords
circuit
video signal
process video
signal
video
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
DE8787308106T
Other languages
English (en)
Other versions
DE3786623T2 (de
Inventor
Hidetoshi Ozaki
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan 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
Priority claimed from JP61217840A external-priority patent/JPS6373775A/ja
Priority claimed from JP61217839A external-priority patent/JPS6373774A/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE3786623D1 publication Critical patent/DE3786623D1/de
Publication of DE3786623T2 publication Critical patent/DE3786623T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Picture Signal Circuits (AREA)
DE87308106T 1986-09-16 1987-09-14 Schaltung zur Verarbeitung vom Videosignal. Expired - Fee Related DE3786623T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61217840A JPS6373775A (ja) 1986-09-16 1986-09-16 デジタルビデオ信号処理回路
JP61217839A JPS6373774A (ja) 1986-09-16 1986-09-16 デジタルビデオ信号処理回路

Publications (2)

Publication Number Publication Date
DE3786623D1 true DE3786623D1 (de) 1993-08-26
DE3786623T2 DE3786623T2 (de) 1993-12-02

Family

ID=26522234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87308106T Expired - Fee Related DE3786623T2 (de) 1986-09-16 1987-09-14 Schaltung zur Verarbeitung vom Videosignal.

Country Status (4)

Country Link
US (1) US4853783A (de)
EP (1) EP0260913B1 (de)
KR (1) KR910008922B1 (de)
DE (1) DE3786623T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2234133B (en) * 1989-07-14 1993-11-10 Mitsubishi Electric Corp Video signal processing apparatus
US5546135A (en) * 1992-02-28 1996-08-13 Matsushita Electric Industrial Co., Ltd. Contour restoration apparatus
US5369446A (en) * 1992-04-30 1994-11-29 Thomson Consumer Electronics, Inc. Video signal processor employing edge replacement, preshoots and overshoots for transient enhancement
US6002797A (en) * 1994-06-22 1999-12-14 Hitachi, Ltd. Apparatus for detecting position of featuring region of picture, such as subtitle or imageless part
KR0141782B1 (ko) * 1994-09-10 1998-06-15 구자홍 영상선명화장치
US6441866B1 (en) * 1999-01-14 2002-08-27 Omnivision Technologies, Inc. Edge enhancement with background noise suppression in video image processing
US20060221240A1 (en) * 2003-12-10 2006-10-05 Koninklijke Philips Electronics N.V. Method and apparatus for generating thin lines in video images

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878323A (en) * 1968-05-01 1975-04-15 Image Analysing Computers Ltd Detecting devices for image analysis systems
JPS58219872A (ja) * 1982-06-15 1983-12-21 Pioneer Electronic Corp 輪郭補正回路

Also Published As

Publication number Publication date
KR880004462A (ko) 1988-06-04
DE3786623T2 (de) 1993-12-02
EP0260913A3 (en) 1989-09-27
EP0260913B1 (de) 1993-07-21
EP0260913A2 (de) 1988-03-23
KR910008922B1 (ko) 1991-10-24
US4853783A (en) 1989-08-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee