DE69215916T2 - System zur Bildverbesserung - Google Patents

System zur Bildverbesserung

Info

Publication number
DE69215916T2
DE69215916T2 DE1992615916 DE69215916T DE69215916T2 DE 69215916 T2 DE69215916 T2 DE 69215916T2 DE 1992615916 DE1992615916 DE 1992615916 DE 69215916 T DE69215916 T DE 69215916T DE 69215916 T2 DE69215916 T2 DE 69215916T2
Authority
DE
Germany
Prior art keywords
image enhancement
enhancement system
image
enhancement
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
DE1992615916
Other languages
English (en)
Other versions
DE69215916D1 (de
Inventor
Shigehiro Ito
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 JP3027877A external-priority patent/JP2605490B2/ja
Priority claimed from JP3042592A external-priority patent/JP2546444B2/ja
Priority claimed from JP3049086A external-priority patent/JP2546446B2/ja
Priority claimed from JP3050528A external-priority patent/JP2546447B2/ja
Application filed by Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE69215916D1 publication Critical patent/DE69215916D1/de
Publication of DE69215916T2 publication Critical patent/DE69215916T2/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
DE1992615916 1991-01-29 1992-01-27 System zur Bildverbesserung Expired - Fee Related DE69215916T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP3027877A JP2605490B2 (ja) 1991-01-29 1991-01-29 画質改善装置
JP3042592A JP2546444B2 (ja) 1991-02-14 1991-02-14 画質改善装置
JP3049086A JP2546446B2 (ja) 1991-02-21 1991-02-21 画質改善装置
JP3050528A JP2546447B2 (ja) 1991-02-22 1991-02-22 画質改善装置

Publications (2)

Publication Number Publication Date
DE69215916D1 DE69215916D1 (de) 1997-01-30
DE69215916T2 true DE69215916T2 (de) 1997-04-03

Family

ID=27458777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992615916 Expired - Fee Related DE69215916T2 (de) 1991-01-29 1992-01-27 System zur Bildverbesserung

Country Status (2)

Country Link
EP (1) EP0497532B1 (de)
DE (1) DE69215916T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110140150B (zh) * 2016-12-24 2021-10-26 华为技术有限公司 一种图像处理方法、装置以及终端设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2237769C3 (de) * 1970-08-22 1980-11-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur Versteilerung der Flanken von Videosignalen
US4030121A (en) * 1975-12-02 1977-06-14 Faroudja Y C Video crispener
JPS53132214A (en) * 1977-04-25 1978-11-17 Sony Corp Vertical aperture correction circuit
DE3103099A1 (de) * 1981-01-30 1982-08-26 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur erzeugung eines aperturkorrektursignals

Also Published As

Publication number Publication date
EP0497532A2 (de) 1992-08-05
EP0497532B1 (de) 1996-12-18
DE69215916D1 (de) 1997-01-30
EP0497532A3 (en) 1993-05-05

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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