CA1171958A - Reduction du debit de donnees pour signaux video numeriques par sous-echantillonnage et reconstruction adaptative - Google Patents

Reduction du debit de donnees pour signaux video numeriques par sous-echantillonnage et reconstruction adaptative

Info

Publication number
CA1171958A
CA1171958A CA000369971A CA369971A CA1171958A CA 1171958 A CA1171958 A CA 1171958A CA 000369971 A CA000369971 A CA 000369971A CA 369971 A CA369971 A CA 369971A CA 1171958 A CA1171958 A CA 1171958A
Authority
CA
Canada
Prior art keywords
signal
samples
average
sample
data rate
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
CA000369971A
Other languages
English (en)
Inventor
Robert A. Dischert
Glenn A. Reitmeier
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.)
RCA Corp
Original Assignee
RCA 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
Priority claimed from US06/168,077 external-priority patent/US4323916A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA1171958A publication Critical patent/CA1171958A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution
CA000369971A 1980-02-07 1981-02-03 Reduction du debit de donnees pour signaux video numeriques par sous-echantillonnage et reconstruction adaptative Expired CA1171958A (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB8004195 1980-02-07
GB8004195 1980-02-07
US13213780A 1980-03-20 1980-03-20
US132137 1980-03-20
US168077 1980-07-14
US06/168,077 US4323916A (en) 1980-02-07 1980-07-14 Data rate reduction for digital video signals by subsampling and adaptive reconstruction

Publications (1)

Publication Number Publication Date
CA1171958A true CA1171958A (fr) 1984-07-31

Family

ID=27260857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000369971A Expired CA1171958A (fr) 1980-02-07 1981-02-03 Reduction du debit de donnees pour signaux video numeriques par sous-echantillonnage et reconstruction adaptative

Country Status (3)

Country Link
CA (1) CA1171958A (fr)
DE (1) DE3104439A1 (fr)
FR (1) FR2475833B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340940A (en) * 1980-08-26 1982-07-20 Rca Corporation Hardware reduction by truncation of selected number of most significant bits for digital video system using subsampling and adaptive reconstruction
US4320416A (en) * 1980-10-15 1982-03-16 Rca Corporation Technique for optimally encoding digitally encoded video signals
US4376948A (en) * 1981-01-26 1983-03-15 Rca Corporation TDM Scheme for digital video processing
DE3400908A1 (de) 1984-01-12 1985-09-26 Siemens AG, 1000 Berlin und 8000 München Verfahren zur feststellung der fehlerbuendellaenge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320017A1 (fr) * 1975-07-29 1977-02-25 Telecommunications Sa Procede de codage d'image avec sous echantillonnage permettant une reduction du debit numerique
DE2701649C2 (de) * 1977-01-17 1985-09-19 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur digitalen Übertragung des Luminanzsignals eines getrennt codierten Farbvideosignals
FR2489061A1 (fr) * 1980-08-20 1982-02-26 France Etat Systeme de transmission d'images utilisant un dispositif de restitutions de points

Also Published As

Publication number Publication date
DE3104439A1 (de) 1982-01-07
DE3104439C2 (fr) 1988-10-06
FR2475833B1 (fr) 1986-10-31
FR2475833A1 (fr) 1981-08-14

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Legal Events

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