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 PDFInfo
- 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
- Authority
- 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
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000003672 processing method Methods 0.000 title 1
- 239000013598 vector Substances 0.000 abstract 8
- 230000000875 corresponding effect Effects 0.000 abstract 3
- 230000002596 correlated effect Effects 0.000 abstract 1
Classifications
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- 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
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- 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)
- Image Analysis (AREA)
- User Interface Of Digital Computer (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
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)
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 |
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2020
- 2020-06-04 FR FR2005855A patent/FR3111253B1/fr active Active
-
2021
- 2021-06-04 WO PCT/EP2021/065021 patent/WO2021245241A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
FR3111253A1 (fr) | 2021-12-10 |
WO2021245241A1 (fr) | 2021-12-09 |
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