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FR2499343B1 - Filtre numerique de chrominance pour un systeme de television a composantes numeriques et procede de filtrage utilisant ce filtre - Google Patents

Filtre numerique de chrominance pour un systeme de television a composantes numeriques et procede de filtrage utilisant ce filtre

Info

Publication number
FR2499343B1
FR2499343B1 FR8201703A FR8201703A FR2499343B1 FR 2499343 B1 FR2499343 B1 FR 2499343B1 FR 8201703 A FR8201703 A FR 8201703A FR 8201703 A FR8201703 A FR 8201703A FR 2499343 B1 FR2499343 B1 FR 2499343B1
Authority
FR
France
Prior art keywords
digital
same
television system
filtering method
chrominance 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
Application number
FR8201703A
Other languages
English (en)
Other versions
FR2499343A1 (fr
Inventor
Eric F Morrison
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.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Publication of FR2499343A1 publication Critical patent/FR2499343A1/fr
Application granted granted Critical
Publication of FR2499343B1 publication Critical patent/FR2499343B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)
FR8201703A 1981-02-04 1982-02-03 Filtre numerique de chrominance pour un systeme de television a composantes numeriques et procede de filtrage utilisant ce filtre Expired FR2499343B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/231,278 US4419686A (en) 1981-02-04 1981-02-04 Digital chrominance filter for digital component television system

Publications (2)

Publication Number Publication Date
FR2499343A1 FR2499343A1 (fr) 1982-08-06
FR2499343B1 true FR2499343B1 (fr) 1986-03-28

Family

ID=22868523

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8201703A Expired FR2499343B1 (fr) 1981-02-04 1982-02-03 Filtre numerique de chrominance pour un systeme de television a composantes numeriques et procede de filtrage utilisant ce filtre

Country Status (7)

Country Link
US (1) US4419686A (fr)
JP (1) JPS57147390A (fr)
CA (1) CA1191246A (fr)
DE (1) DE3203852C2 (fr)
FR (1) FR2499343B1 (fr)
GB (1) GB2111340B (fr)
NL (1) NL8200408A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248687A1 (de) * 1982-12-30 1984-07-05 Siemens AG, 1000 Berlin und 8000 München Umschaltbarer farbfernsehsignal-codierer-decodierer
CA1219338A (fr) * 1983-07-27 1987-03-17 Rca Corporation Circuit de traitement de signaux
JPS60177717A (ja) * 1984-02-23 1985-09-11 Sony Corp Ｆｉｒ型デイジタルフイルタ
DE3412106A1 (de) * 1984-03-31 1985-10-10 Standard Elektrik Lorenz Ag Digitales filter fuer videosignale
JPS6135085A (ja) * 1984-07-26 1986-02-19 Mitsubishi Electric Corp 適応型輪郭抽出フイルタ
US4588979A (en) * 1984-10-05 1986-05-13 Dbx, Inc. Analog-to-digital converter
US4672427A (en) * 1985-02-08 1987-06-09 American Telephone And Telegraph Company Processing of analog video signals in digital transmission systems
FR2582893B1 (fr) * 1985-06-04 1987-07-17 France Etat Circuit d'elaboration des signaux analogiques de couleurs primaires d'un signal de television a partir de ses composantes numeriques de luminance et de chrominance.
DE3842797C2 (de) * 1988-12-20 1997-03-13 Sel Alcatel Ag Vorrichtungen zur digitalen Farbbildübertragung
GB2244887A (en) * 1990-04-11 1991-12-11 Rank Cintel Ltd Spatial transformation of video images
US5253043A (en) * 1991-10-24 1993-10-12 Da Vinci Systems, Inc. Upsampled interpolative processing of digital video signals
KR0143986B1 (ko) * 1991-12-30 1998-07-15 정몽헌 영상데이타의 계층적 감축기법에 의한 사전 결정처리방법
US5844629A (en) * 1996-05-30 1998-12-01 Analog Devices, Inc. Digital-to-analog video encoder with novel equalization

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412369B2 (fr) * 1975-02-28 1979-05-22
DE2641902C2 (de) * 1976-09-17 1985-05-23 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen Codierung eines Farbvideosignals
US4151550A (en) * 1977-07-07 1979-04-24 Communications Satellite Corporation DPCM Predictors for NTSC color composite TV signals using phase adjustment of sampling
DE2837120A1 (de) * 1977-09-01 1979-03-15 British Broadcasting Corp Verfahren und anordnung zur verarbeitung von pal-farbfernsehsignalen in digitaler form
US4227204A (en) * 1978-09-21 1980-10-07 Cbs Inc. Method and apparatus for PCM-encoding NTSC color television at sub-Nyquist rate

Also Published As

Publication number Publication date
JPS57147390A (en) 1982-09-11
GB2111340B (en) 1985-01-30
DE3203852A1 (de) 1982-08-12
US4419686A (en) 1983-12-06
FR2499343A1 (fr) 1982-08-06
CA1191246A (fr) 1985-07-30
NL8200408A (nl) 1982-09-01
GB2111340A (en) 1983-06-29
DE3203852C2 (de) 1986-07-31

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