MX2013012459A - Metodo de codificacion de imagen, aparato de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion/decodificacio n de imagenes. - Google Patents

Metodo de codificacion de imagen, aparato de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion/decodificacio n de imagenes.

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Publication number
MX2013012459A
MX2013012459A MX2013012459A MX2013012459A MX2013012459A MX 2013012459 A MX2013012459 A MX 2013012459A MX 2013012459 A MX2013012459 A MX 2013012459A MX 2013012459 A MX2013012459 A MX 2013012459A MX 2013012459 A MX2013012459 A MX 2013012459A
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MX
Mexico
Prior art keywords
image
image encoding
encoding
decoding
merge candidates
Prior art date
Application number
MX2013012459A
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English (en)
Inventor
Toshiyasu Sugio
Takahiro Nishi
Youji Shibahara
Hisao Sasai
Kyoko Tanikawa
Toru Matsunobu
Original Assignee
Panasonic Corp
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Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of MX2013012459A publication Critical patent/MX2013012459A/es

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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
    • H04N19/513—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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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

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)

Abstract

Se describe un método de codificación de imágenes que incluye: determinar un número máximo de candidatos de fusión (S601); derivar primeros candidatos de fusión con base en bloques adyacentes espacial o temporalmente a un bloque actual (S602); determinar si un número total de los primeros candidatos de fusión es más pequeño o no que el número máximo (S604) ; derivar, al hacer una combinación de los primeros candidatos de fusión deducidos, un segundo candidato de fusión para la predicción bi-direccional cuando se determina que el número total de los primeros candidatos de fusión es más pequeño que el número máximo (S605); seleccionar un candidato de fusión que se utiliza para la codificación del bloque actual de los primeros candidatos de fusión y el segundo candidato de fusión (S606); y codificar, utilizando el número máximo determinado, un índice para identificar el candidato de fusión seleccionado y unir el índice codificado a la corriente de bits (S607).
MX2013012459A 2011-05-31 2012-05-29 Metodo de codificacion de imagen, aparato de codificacion de imagenes, metodo de decodificacion de imagenes, aparato de decodificacion de imagenes y aparato de codificacion/decodificacio n de imagenes. MX2013012459A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161491549P 2011-05-31 2011-05-31
PCT/JP2012/003493 WO2012164906A1 (ja) 2011-05-31 2012-05-29 画像符号化方法、画像符号化装置、画像復号方法、画像復号装置、および、画像符号化復号装置

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MX2013012459A true MX2013012459A (es) 2013-12-02

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US (7) US8953689B2 (es)
EP (2) EP4216552A1 (es)
JP (2) JP5937588B2 (es)
KR (2) KR102165221B1 (es)
CN (2) CN103563385B (es)
AU (1) AU2012264031C1 (es)
CA (2) CA3194986A1 (es)
ES (1) ES2950029T3 (es)
MX (1) MX2013012459A (es)
PL (1) PL2717577T3 (es)
SG (1) SG194746A1 (es)
TW (1) TWI587691B (es)
WO (1) WO2012164906A1 (es)

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