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FR3111253B1 - Procede de traitement d’image et equipement pour la mise en œuvre du procede - Google Patents

Procede de traitement d’image et equipement pour la mise en œuvre du procede Download PDF

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Publication number
FR3111253B1
FR3111253B1 FR2005855A FR2005855A FR3111253B1 FR 3111253 B1 FR3111253 B1 FR 3111253B1 FR 2005855 A FR2005855 A FR 2005855A FR 2005855 A FR2005855 A FR 2005855A FR 3111253 B1 FR3111253 B1 FR 3111253B1
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FR
France
Prior art keywords
image
motion vector
implementing
equipment
block
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.)
Active
Application number
FR2005855A
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English (en)
Other versions
FR3111253A1 (fr
Inventor
Simon Danten
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.)
Ateme SA
Original Assignee
Ateme 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 Ateme SA filed Critical Ateme SA
Priority to FR2005855A priority Critical patent/FR3111253B1/fr
Priority to PCT/EP2021/065021 priority patent/WO2021245241A1/fr
Publication of FR3111253A1 publication Critical patent/FR3111253A1/fr
Application granted granted Critical
Publication of FR3111253B1 publication Critical patent/FR3111253B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/527—Global motion vector estimation
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • User Interface Of Digital Computer (AREA)
  • Image Analysis (AREA)

Abstract

Un procédé de de traitement d’une image dans un ensemble d’images, dans lequel l’image est découpée en une pluralité de blocs, est proposé, qui comprend: déterminer une pluralité de vecteurs de mouvement, chaque vecteur de mouvement correspondant à un bloc de la pluralité de blocs de l’image, et pointant sur un bloc corrélé au bloc correspondant dans une image de référence, l’image de référence étant une image de l’ensemble d’images distincte de l’image ; distribuer des vecteurs de mouvement parmi la pluralité de vecteurs de mouvement déterminés dans des classes d’un premier histogramme sur la base d’un critère de correspondance appliqué, pour chaque vecteur de mouvement classé, à une composante du vecteur de mouvement ; sélectionner une première classe du premier histogramme sur la base d’un critère de sélection ; et déterminer un vecteur de mouvement global de l’image sur la base d’un vecteur de mouvement correspondant à la première classe sélectionnée. Figure de l’abrégé : Figure 3
FR2005855A 2020-06-04 2020-06-04 Procede de traitement d’image et equipement pour la mise en œuvre du procede Active FR3111253B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR2005855A FR3111253B1 (fr) 2020-06-04 2020-06-04 Procede de traitement d’image et equipement pour la mise en œuvre du procede
PCT/EP2021/065021 WO2021245241A1 (fr) 2020-06-04 2021-06-04 Traitement d'image avec détermination d'un vecteur de mouvement global à partir d'historgammes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2005855A FR3111253B1 (fr) 2020-06-04 2020-06-04 Procede de traitement d’image et equipement pour la mise en œuvre du procede
FR2005855 2020-06-04

Publications (2)

Publication Number Publication Date
FR3111253A1 FR3111253A1 (fr) 2021-12-10
FR3111253B1 true FR3111253B1 (fr) 2023-08-25

Family

ID=72560763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2005855A Active FR3111253B1 (fr) 2020-06-04 2020-06-04 Procede de traitement d’image et equipement pour la mise en œuvre du procede

Country Status (2)

Country Link
FR (1) FR3111253B1 (fr)
WO (1) WO2021245241A1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473379A (en) * 1993-11-04 1995-12-05 At&T Corp. Method and apparatus for improving motion compensation in digital video coding
US8509313B2 (en) * 2006-10-10 2013-08-13 Texas Instruments Incorporated Video error concealment

Also Published As

Publication number Publication date
FR3111253A1 (fr) 2021-12-10
WO2021245241A1 (fr) 2021-12-09

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