IT1062450B - Procedimento di riduzione della portata numerica durante la trasmissione di segnali video - Google Patents

Procedimento di riduzione della portata numerica durante la trasmissione di segnali video

Info

Publication number
IT1062450B
IT1062450B IT24997/76A IT2499776A IT1062450B IT 1062450 B IT1062450 B IT 1062450B IT 24997/76 A IT24997/76 A IT 24997/76A IT 2499776 A IT2499776 A IT 2499776A IT 1062450 B IT1062450 B IT 1062450B
Authority
IT
Italy
Prior art keywords
transmission
video signals
flow reduction
procedure during
reduction procedure
Prior art date
Application number
IT24997/76A
Other languages
English (en)
Inventor
Daniel Pierre Yvon Devimeux
Francois Xavier Antoine Stouls
Original Assignee
Telecommunications Sa
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 Telecommunications Sa filed Critical Telecommunications Sa
Application granted granted Critical
Publication of IT1062450B publication Critical patent/IT1062450B/it

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
IT24997/76A 1975-07-03 1976-07-02 Procedimento di riduzione della portata numerica durante la trasmissione di segnali video IT1062450B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7520864A FR2316819A1 (fr) 1975-07-03 1975-07-03 Procede de reduction de debit numerique lors de la transmission de video signaux

Publications (1)

Publication Number Publication Date
IT1062450B true IT1062450B (it) 1984-10-10

Family

ID=9157441

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24997/76A IT1062450B (it) 1975-07-03 1976-07-02 Procedimento di riduzione della portata numerica durante la trasmissione di segnali video

Country Status (9)

Country Link
US (1) US4060832A (it)
BG (1) BG31510A3 (it)
DD (1) DD125097A5 (it)
DE (1) DE2629326C3 (it)
FR (1) FR2316819A1 (it)
GB (1) GB1507628A (it)
IT (1) IT1062450B (it)
PL (1) PL108117B1 (it)
SE (1) SE415818B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2050752B (en) * 1979-06-07 1984-05-31 Japan Broadcasting Corp Motion compensated interframe coding system
US4323916A (en) 1980-02-07 1982-04-06 Rca Corporation Data rate reduction for digital video signals by subsampling and adaptive reconstruction
US4496972A (en) * 1980-05-10 1985-01-29 Deutsche Forschungs-Und Versuchsanstalt Fur Luft-Und Raumfahrt E.V. Method for the representation of video images or scenes, in particular aerial images transmitted at reduced frame rate
DE3018329C2 (de) * 1980-05-10 1982-09-09 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Verfahren zur Übertragung und Wiedergabe von Videoszenen, insbesondere Luftbildszenen, mit reduzierter Bildfolgefrequenz
DE3144050C2 (de) * 1981-11-03 1983-09-29 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Verfahren zur Übertragung und Wiedergabe von Videoszenen, insbesondere Luftbildszenen, mit reduzierter Bildfolgefrequenz
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
ATE22767T1 (de) * 1982-07-23 1986-10-15 British Telecomm Uebertragung von daten.
US4816901A (en) * 1988-04-27 1989-03-28 Universal Video Communications Corp. Method and system for compressing color video data
US4849807A (en) * 1988-04-27 1989-07-18 Universal Video Communications Corp. Method and system for compressing color video feature encoded data
US4914508A (en) * 1988-04-27 1990-04-03 Universal Video Communications Corp. Method and system for compressing and statistically encoding color video data
US4847677A (en) * 1988-04-27 1989-07-11 Universal Video Communications Corp. Video telecommunication system and method for compressing and decompressing digital color video data
US4857993A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing digital color video statistically encoded data
US4843466A (en) * 1988-04-27 1989-06-27 Universal Video Communications Corp. Method and system for decompressing color video slope encoded data
US4857991A (en) * 1988-04-27 1989-08-15 Universal Video Communications Corp. Method and system for decompressing color video feature encoded data
JP2514114B2 (ja) * 1991-01-31 1996-07-10 株式会社グラフィックス・コミュニケーション・テクノロジーズ 動画像符号化装置
US5850264A (en) * 1994-06-30 1998-12-15 Intel Corporation Pseudo interlacing in digital video

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051778A (en) * 1960-10-20 1962-08-28 Bell Telephone Labor Inc Sequential scan television with line interpolation
US3366739A (en) * 1964-09-30 1968-01-30 North American Rockwell Bandwidth reduction system for reconstituting non-transmitted signals from transmitted signals
US3715483A (en) * 1970-12-11 1973-02-06 Bell Telephone Labor Inc Bandwidth reduction system for use with video signals

Also Published As

Publication number Publication date
DE2629326C3 (de) 1978-05-03
SE415818B (sv) 1980-10-27
FR2316819B1 (it) 1981-04-17
GB1507628A (en) 1978-04-19
PL108117B1 (pl) 1980-03-31
DE2629326B2 (de) 1977-09-08
SE7607538L (sv) 1977-01-04
US4060832A (en) 1977-11-29
BG31510A3 (en) 1982-01-15
DD125097A5 (it) 1977-03-30
FR2316819A1 (fr) 1977-01-28
DE2629326A1 (de) 1977-01-27

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