JPH0744135Y2 - 輪郭強調回路 - Google Patents

輪郭強調回路

Info

Publication number
JPH0744135Y2
JPH0744135Y2 JP1988081322U JP8132288U JPH0744135Y2 JP H0744135 Y2 JPH0744135 Y2 JP H0744135Y2 JP 1988081322 U JP1988081322 U JP 1988081322U JP 8132288 U JP8132288 U JP 8132288U JP H0744135 Y2 JPH0744135 Y2 JP H0744135Y2
Authority
JP
Japan
Prior art keywords
circuit
contour
noise
slice
filter
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
JP1988081322U
Other languages
English (en)
Japanese (ja)
Other versions
JPH024367U (en]
Inventor
満 佐藤
俊明 五十川
寿純 安藤
眞吾 中田
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
Priority to JP1988081322U priority Critical patent/JPH0744135Y2/ja
Priority to KR2019890008054U priority patent/KR950007716Y1/ko
Priority to US07/366,616 priority patent/US5032909A/en
Publication of JPH024367U publication Critical patent/JPH024367U/ja
Application granted granted Critical
Publication of JPH0744135Y2 publication Critical patent/JPH0744135Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
JP1988081322U 1988-06-20 1988-06-20 輪郭強調回路 Expired - Lifetime JPH0744135Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1988081322U JPH0744135Y2 (ja) 1988-06-20 1988-06-20 輪郭強調回路
KR2019890008054U KR950007716Y1 (ko) 1988-06-20 1989-06-12 윤곽강조회로
US07/366,616 US5032909A (en) 1988-06-20 1989-06-15 Image enhancer which utilizes a lowpass filter after an outline extracting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988081322U JPH0744135Y2 (ja) 1988-06-20 1988-06-20 輪郭強調回路

Publications (2)

Publication Number Publication Date
JPH024367U JPH024367U (en]) 1990-01-11
JPH0744135Y2 true JPH0744135Y2 (ja) 1995-10-09

Family

ID=13743164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988081322U Expired - Lifetime JPH0744135Y2 (ja) 1988-06-20 1988-06-20 輪郭強調回路

Country Status (3)

Country Link
US (1) US5032909A (en])
JP (1) JPH0744135Y2 (en])
KR (1) KR950007716Y1 (en])

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5354796U (en]) * 1976-10-12 1978-05-11
JPS5645450Y2 (en]) * 1979-04-11 1981-10-23
US5343244A (en) * 1989-10-18 1994-08-30 Sony Corporation Video signal processing apparatus for use with a video camera
JP2982233B2 (ja) * 1990-06-29 1999-11-22 ソニー株式会社 ノンリニアデエンフアシス回路
GB2250886B (en) * 1990-12-13 1995-06-14 Rank Cintel Ltd Noise reduction in video signals
US6002448A (en) * 1993-04-19 1999-12-14 Mitsubishi Denki Kabushiki Kaisha Image quality correction circuit and method based on color density
JPH07231396A (ja) * 1993-04-19 1995-08-29 Mitsubishi Electric Corp 画質補正回路
EP0669598B1 (en) * 1994-02-28 1999-10-27 STMicroelectronics S.r.l. Filter for reducing noise and exalting image digital signals edges according to fuzzy logic
US5446503A (en) * 1994-04-11 1995-08-29 Mitsubishi Semiconductor America, Inc. Vertical detail enhancement with stepped return coring
DE19522886A1 (de) * 1995-06-23 1997-01-02 Thomson Brandt Gmbh Fernsehempfänger mit einer Schaltung zur Bildqualitätsverbesserung
JP2970542B2 (ja) * 1996-07-16 1999-11-02 富士ゼロックス株式会社 画像記録装置および方法ならびに画像記録再生装置および方法
JP4453777B2 (ja) * 2008-07-15 2010-04-21 日本ビクター株式会社 画質改善装置及び方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5428981Y2 (en]) * 1974-06-17 1979-09-17
DE2326620C3 (de) * 1973-05-25 1979-08-02 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Erzeugung eines Korrektursignals für die Aperturkorrektur von Videosignalen
US3995108A (en) * 1975-05-21 1976-11-30 Ampex Corporation Television aperture correction system having gateable coring means for noise cancellation
DE2937958C2 (de) * 1979-09-20 1982-03-25 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur horizontalen und vertikalen Konturkorrektur
JPS5724173A (en) * 1980-07-21 1982-02-08 Toshiba Corp Video signal processing device
JPS58219872A (ja) * 1982-06-15 1983-12-21 Pioneer Electronic Corp 輪郭補正回路
JPS60130986A (ja) * 1983-12-20 1985-07-12 Matsushita Electric Ind Co Ltd 映像信号処理装置
JPS6318811A (ja) * 1986-07-11 1988-01-26 Victor Co Of Japan Ltd 雑音低減回路
JP2536500B2 (ja) * 1986-12-04 1996-09-18 ソニー株式会社 輪郭補正回路
JPS63316571A (ja) * 1987-06-19 1988-12-23 Sony Corp 映像信号処理回路
JPS6439185A (en) * 1987-08-04 1989-02-09 Victor Company Of Japan Enhancing circuit
JP2653800B2 (ja) * 1987-11-18 1997-09-17 松下電器産業株式会社 映像信号処理回路
JPH01220975A (ja) * 1988-02-29 1989-09-04 Toshiba Corp 画質調整回路

Also Published As

Publication number Publication date
KR900001924U (ko) 1990-01-19
US5032909A (en) 1991-07-16
KR950007716Y1 (ko) 1995-09-20
JPH024367U (en]) 1990-01-11

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