MXPA03009608A - Metodos de codificacion y decodificacion de vector de movimiento. - Google Patents

Metodos de codificacion y decodificacion de vector de movimiento.

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Publication number
MXPA03009608A
MXPA03009608A MXPA03009608A MXPA03009608A MXPA03009608A MX PA03009608 A MXPA03009608 A MX PA03009608A MX PA03009608 A MXPA03009608 A MX PA03009608A MX PA03009608 A MXPA03009608 A MX PA03009608A MX PA03009608 A MXPA03009608 A MX PA03009608A
Authority
MX
Mexico
Prior art keywords
motion vectors
motion vector
motion
encoded
vector encoding
Prior art date
Application number
MXPA03009608A
Other languages
English (en)
Inventor
Shinya Kadono
Original Assignee
Matsushita Electric Ind Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29272326&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MXPA03009608(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of MXPA03009608A publication Critical patent/MXPA03009608A/es

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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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • 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
    • 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
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/573—Motion compensation with multiple frame prediction using two or more reference frames in a given prediction direction

Abstract

La presente invencion mejora la eficiencia de la codificacion de vectores de movimiento cuando un bloque en curso es codificado utilizando una pluralidad de vectores de movimiento. Una unidad de codificacion de vector de movimiento (117) codifica un vector de movimiento entrado a partir de la unidad de deteccion de vector de movimiento (108). Un vector de movimiento para cada bloque en curso es codificado en base a una diferencia entre el vector de movimiento y un vector previsto que es obtenido a partir de vectores de movimiento para bloques circundantes previamente codificados. El vector previsto es generado mediante uno de los siguientes procesamientos: (A) los vectores de movimiento que se refieren a la misma imagen son seleccionados entre los vectores de movimiento para los bloques circundantes de modo que sea generado el vector previsto; (B) los vectores de movimiento para los respectivos bloques circundantes son dispuestos en un orden predeterminado, y los vectores de movimiento de la misma disposicion de orden son seleccionados a partir de los vectores ordenados de movimiento de modo que sea generado el vector previsto; y (C) el vector previsto para el segundo vector de movimiento del bloque en curso debe ser el primer vector de movimiento, y si el segundo vector de movimiento y el primer vector de movimiento se refirieran a distintas imagenes, el primer vector de movimiento seria escalado de acuerdo con la distancia temporal entre las imagenes de modo que sea generado el vector previsto.
MXPA03009608A 2002-04-23 2003-04-10 Metodos de codificacion y decodificacion de vector de movimiento. MXPA03009608A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002121051 2002-04-23
JP2002173865 2002-06-14
PCT/JP2003/004540 WO2003092299A1 (en) 2002-04-23 2003-04-10 Motion vector encoding method and motion vector decoding method

Publications (1)

Publication Number Publication Date
MXPA03009608A true MXPA03009608A (es) 2004-03-09

Family

ID=29272326

Family Applications (1)

Application Number Title Priority Date Filing Date
MXPA03009608A MXPA03009608A (es) 2002-04-23 2003-04-10 Metodos de codificacion y decodificacion de vector de movimiento.

Country Status (16)

Country Link
US (14) US7394853B2 (es)
EP (6) EP2216996B1 (es)
JP (4) JP4130783B2 (es)
KR (4) KR100947689B1 (es)
CN (5) CN100515083C (es)
AT (3) ATE392092T1 (es)
AU (1) AU2003236034C1 (es)
BR (2) BR0304549A (es)
CA (1) CA2443861C (es)
DE (3) DE60332974D1 (es)
DK (1) DK2216996T3 (es)
ES (6) ES2318822T3 (es)
MX (1) MXPA03009608A (es)
MY (1) MY136457A (es)
TW (2) TWI281353B (es)
WO (1) WO2003092299A1 (es)

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