FR2277482A1 - Agencement pour la transmission d'images sous forme modulee par des impulsions differentielles codees - Google Patents

Agencement pour la transmission d'images sous forme modulee par des impulsions differentielles codees

Info

Publication number
FR2277482A1
FR2277482A1 FR7521258A FR7521258A FR2277482A1 FR 2277482 A1 FR2277482 A1 FR 2277482A1 FR 7521258 A FR7521258 A FR 7521258A FR 7521258 A FR7521258 A FR 7521258A FR 2277482 A1 FR2277482 A1 FR 2277482A1
Authority
FR
France
Prior art keywords
delay section
sender
receiver
feed
picture transmission
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.)
Granted
Application number
FR7521258A
Other languages
English (en)
Other versions
FR2277482B1 (fr
Inventor
Willmut Zschunke
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2277482A1 publication Critical patent/FR2277482A1/fr
Application granted granted Critical
Publication of FR2277482B1 publication Critical patent/FR2277482B1/fr
Granted 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)
FR7521258A 1974-07-05 1975-07-07 Agencement pour la transmission d'images sous forme modulee par des impulsions differentielles codees Granted FR2277482A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742432399 DE2432399C3 (de) 1974-07-05 1974-07-05 System zur digitalen Übertragung von Bildsignalen mittels Differenz-Pulscodemodulation (DPCM)

Publications (2)

Publication Number Publication Date
FR2277482A1 true FR2277482A1 (fr) 1976-01-30
FR2277482B1 FR2277482B1 (fr) 1982-04-02

Family

ID=5919822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7521258A Granted FR2277482A1 (fr) 1974-07-05 1975-07-07 Agencement pour la transmission d'images sous forme modulee par des impulsions differentielles codees

Country Status (2)

Country Link
DE (1) DE2432399C3 (fr)
FR (1) FR2277482A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021948A1 (fr) * 1979-06-29 1981-01-07 ETAT FRANCAIS repr. par le Secrétaire d'Etat aux Postes & Télécommunications (Centre National d'Etudes des Télécommunications) Dispositif pour le suivi et l'estimation récursive de l'état local des contours d'images et application à la prédiction adaptative en codage différentiel de signaux de télévision
FR2503966A1 (fr) * 1981-04-14 1982-10-15 Thomson Csf Procede de transmission d'une image, a debit reduit; systeme de transmission pour la mise en oeuvre de ce procede

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2640157C2 (de) * 1976-09-07 1982-10-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zum redundanzvermindernden Codieren von Bildern
DE2640140C2 (de) * 1976-09-07 1982-10-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zur redundanzvermindernden Bildcodierung
US4191974A (en) * 1977-02-08 1980-03-04 Mitsubishi Denki Kabushiki Kaisha Facsimile encoding communication system
DE2740945C3 (de) * 1977-09-10 1982-02-11 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zum Übertragen von Bildsignalen mit Hilfe der Differenz-Puls-Code-Modulation (DPCM) und geste uertem Quantisierer
US4213154A (en) * 1978-08-03 1980-07-15 Mitsubishi Denki Kabushiki Kaisha Facsimile communication system
KR910009880B1 (ko) * 1983-07-25 1991-12-03 가부시기가이샤 히다찌세이사꾸쇼 인터레이스된 텔레비젼 신호중의 화상의 움직임 검출회로
DE4239267C1 (fr) * 1992-11-23 1993-09-23 Ant Nachrichtentechnik Gmbh, 71522 Backnang, De

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0021948A1 (fr) * 1979-06-29 1981-01-07 ETAT FRANCAIS repr. par le Secrétaire d'Etat aux Postes & Télécommunications (Centre National d'Etudes des Télécommunications) Dispositif pour le suivi et l'estimation récursive de l'état local des contours d'images et application à la prédiction adaptative en codage différentiel de signaux de télévision
WO1981000180A1 (fr) * 1979-06-29 1981-01-22 Telediffusion Fse Dispositif pour l'estimation de contours d'images et application au codage de signaux de television
FR2460580A1 (fr) * 1979-06-29 1981-01-23 France Etat Dispositif pour le suivi et l'estimation recursive de l'etat local des contours d'images et application a la prediction adaptative en codage differentiel de signaux de television
US4363103A (en) * 1979-06-29 1982-12-07 L'etat Francais Represente Par Le Secretaire D'etat Aux Postes Et Telecommunications Et A La Telediffusion (Centre National D'etudes Des Telecommunications) Device for following and estimating the local state of picture contours
FR2503966A1 (fr) * 1981-04-14 1982-10-15 Thomson Csf Procede de transmission d'une image, a debit reduit; systeme de transmission pour la mise en oeuvre de ce procede
EP0063990A1 (fr) * 1981-04-14 1982-11-03 Thomson-Csf Procédé de transmission d'une image à débit réduit; système de transmission pour la mise en oeuvre de ce procédé
US4498102A (en) * 1981-04-14 1985-02-05 Thomson-Csf Method and apparatus for a transmission system for transmitting an image at a reduced output

Also Published As

Publication number Publication date
FR2277482B1 (fr) 1982-04-02
AU8256875A (en) 1977-01-06
DE2432399C3 (de) 1980-07-31
DE2432399B2 (de) 1979-11-22
DE2432399A1 (de) 1976-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse