MX342499B - Dispositivo de descodificación y método de descodificación. - Google Patents

Dispositivo de descodificación y método de descodificación.

Info

Publication number
MX342499B
MX342499B MX2014016002A MX2014016002A MX342499B MX 342499 B MX342499 B MX 342499B MX 2014016002 A MX2014016002 A MX 2014016002A MX 2014016002 A MX2014016002 A MX 2014016002A MX 342499 B MX342499 B MX 342499B
Authority
MX
Mexico
Prior art keywords
image
decoding
coded
prediction
identification information
Prior art date
Application number
MX2014016002A
Other languages
English (en)
Other versions
MX2014016002A (es
Inventor
Sato Kazushi
Lu Shuo
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of MX2014016002A publication Critical patent/MX2014016002A/es
Publication of MX342499B publication Critical patent/MX342499B/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
    • H04N19/10—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/177—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 a group of pictures [GOP]
    • 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
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • H04N19/10—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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures

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)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)

Abstract

Esta tecnología se refiere a un dispositivo de descodificación y un método de descodificación con el cual puede reducirse la cantidad de información relacionada con imágenes de referencia de identificación de información. En casos cuando una imagen que se va a codificar es una imagen distinta de la primera imagen en un grupo de imágenes (GOP), una unidad de recepción recibe "inter_ref_pic_set_prediction_flag" que indica que la información de identificación de imagen de referencia transmitida previamente, la cual identifica una imagen de referencia utilizada para generar una imagen de predicción, para una imagen anterior en orden de codificación para la imagen que se va a codificar se va a utilizar como la información de identificación de imagen de referencia para la imagen que se va a codificar. Esta tecnología es aplicable a dispositivos de descodificación o similares para un formato de codificación de video de alta eficiencia (HEVC).
MX2014016002A 2012-06-29 2013-06-21 Dispositivo de descodificación y método de descodificación. MX342499B (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012147883 2012-06-29
JP2012218097 2012-09-28
PCT/JP2013/067111 WO2014002898A1 (ja) 2012-06-29 2013-06-21 復号装置および復号方法

Publications (2)

Publication Number Publication Date
MX2014016002A MX2014016002A (es) 2015-04-13
MX342499B true MX342499B (es) 2016-10-03

Family

ID=49778143

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2014016002A MX342499B (es) 2012-06-29 2013-06-21 Dispositivo de descodificación y método de descodificación.
MX2014015993A MX342497B (es) 2012-06-29 2013-06-21 Dispositivo de codificacion y metodo de codificacion.
MX2016012575A MX352958B (es) 2012-06-29 2014-12-19 Dispositivo de descodificación y método de descodificación.

Family Applications After (2)

Application Number Title Priority Date Filing Date
MX2014015993A MX342497B (es) 2012-06-29 2013-06-21 Dispositivo de codificacion y metodo de codificacion.
MX2016012575A MX352958B (es) 2012-06-29 2014-12-19 Dispositivo de descodificación y método de descodificación.

Country Status (16)

Country Link
US (5) US10623765B2 (es)
EP (2) EP2869559A4 (es)
JP (6) JP6182719B2 (es)
KR (2) KR102179087B1 (es)
CN (4) CN104380752B (es)
AR (1) AR091570A1 (es)
AU (3) AU2013281947B2 (es)
BR (2) BR112014032227B1 (es)
CA (2) CA2875243C (es)
MX (3) MX342499B (es)
MY (3) MY190544A (es)
RU (3) RU2643490C2 (es)
SG (4) SG11201408571RA (es)
TW (5) TWI644564B (es)
WO (2) WO2014002898A1 (es)
ZA (1) ZA201409038B (es)

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