MX347421B - Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video. - Google Patents

Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.

Info

Publication number
MX347421B
MX347421B MX2015017519A MX2015017519A MX347421B MX 347421 B MX347421 B MX 347421B MX 2015017519 A MX2015017519 A MX 2015017519A MX 2015017519 A MX2015017519 A MX 2015017519A MX 347421 B MX347421 B MX 347421B
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MX
Mexico
Prior art keywords
block
parallel
video
processing
blocks
Prior art date
Application number
MX2015017519A
Other languages
English (en)
Inventor
Akira Nakagawa
Satoshi Shimada
Kimihiko Kazui
Junpei Koyama
Original Assignee
Fujitsu Ltd
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Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of MX347421B publication Critical patent/MX347421B/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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/436—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 using parallelised computational 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
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    • 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
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    • 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
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    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic 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
    • H04N19/10—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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/10—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
    • H04N19/182—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 pixel

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Un decodificador de video que decodifica una corriente codificada incluye una parte de decodificación paralela de entropía para decodificar por entropía la corriente de bloques en líneas de bloques en paralelo, una parte de predicción paralela de QP para calcular valores de predicción de los bloques en las líneas de bloque en paralelo, y una parte de procesamiento de decodificación paralela para generar pixeles decodificados de los bloques en las líneas de bloques en paralelo, el pixel decodificado se obtiene utilizando los datos decodificados por la parte de decodificación paralela de entropía y el valor de predicción; al realizar el procesamiento de cálculo en paralelo por unidad de N líneas de bloque, el procesamiento es realizado en un bloque en procesamiento en una línea de bloques (K - 1)a que precede un bloque en procesamiento en una línea de bloques Ka por al menos un bloque en una posición horizontal para calcular el valor de predicción del bloque en procesamiento al referirse a un bloque ya procesado correspondiente al bloque en procesamiento.
MX2015017519A 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video. MX347421B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012010465A JP2013150215A (ja) 2012-01-20 2012-01-20 動画像復号装置、動画像符号化装置、動画像復号方法、動画像符号化方法、動画像復号プログラム及び動画像符号化プログラム
PCT/JP2013/051225 WO2013108922A2 (en) 2012-01-20 2013-01-16 Video decoder, video encoder, video decoding method, and video encoding method

Publications (1)

Publication Number Publication Date
MX347421B true MX347421B (es) 2017-04-26

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MX2015017523A MX348224B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2015017522A MX347422B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2014008778A MX338369B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2015017519A MX347421B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2015017521A MX347419B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.

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MX2015017523A MX348224B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2015017522A MX347422B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.
MX2014008778A MX338369B (es) 2012-01-20 2013-01-16 Decodificador de video, codificador de video, metodo de decodificacion de video, y metodo de codificacion de video.

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US (4) US9628825B2 (es)
EP (5) EP2805499B1 (es)
JP (1) JP2013150215A (es)
KR (4) KR101684038B1 (es)
CN (3) CN104067619B (es)
AU (5) AU2013210274B2 (es)
CA (4) CA2935331C (es)
MX (5) MX348224B (es)
WO (1) WO2013108922A2 (es)

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MX338369B (es) 2016-04-12
MX2014008778A (es) 2014-10-13
BR112014017608A8 (pt) 2017-07-11
AU2015213342B2 (en) 2016-07-28
KR20150138422A (ko) 2015-12-09
KR101684038B1 (ko) 2016-12-07
AU2015213343B2 (en) 2016-07-14
CN107241605B (zh) 2020-03-06
US9743088B2 (en) 2017-08-22
BR112014017608A2 (es) 2017-06-20
CA2935332C (en) 2018-07-03
CA2935331A1 (en) 2013-07-25
AU2013210274A1 (en) 2014-08-07
CN107241605A (zh) 2017-10-10
CN107318026A (zh) 2017-11-03
WO2013108922A2 (en) 2013-07-25
AU2015213341B2 (en) 2016-06-30
CN104067619A (zh) 2014-09-24
EP2805499B1 (en) 2020-09-02
WO2013108922A3 (en) 2014-07-10
EP3641313A1 (en) 2020-04-22
KR20150138421A (ko) 2015-12-09
CA2863170C (en) 2017-01-03
MX347422B (es) 2017-04-26
JP2013150215A (ja) 2013-08-01
MX348224B (es) 2017-05-31
AU2015213340B2 (en) 2016-06-16
CN107318026B (zh) 2019-12-24
CA2935331C (en) 2018-08-28
US9973756B2 (en) 2018-05-15
KR20150139621A (ko) 2015-12-11
EP3644607A1 (en) 2020-04-29
US10051273B2 (en) 2018-08-14
US9628825B2 (en) 2017-04-18
AU2015213341A1 (en) 2015-09-03
CA2935336C (en) 2018-07-17
KR101684207B1 (ko) 2016-12-07
EP2805499A2 (en) 2014-11-26
CN104067619B (zh) 2017-08-18
AU2015213342A1 (en) 2015-09-03
CA2863170A1 (en) 2013-07-25
MX347419B (es) 2017-04-26
AU2013210274B2 (en) 2015-09-03
AU2015213343A1 (en) 2015-09-03
KR20140110958A (ko) 2014-09-17
CA2935336A1 (en) 2013-07-25
US20170208329A1 (en) 2017-07-20
US20170048524A1 (en) 2017-02-16
KR101684208B1 (ko) 2016-12-07
CA2935332A1 (en) 2013-07-25
US20150049804A1 (en) 2015-02-19
EP3641314A1 (en) 2020-04-22
US20180124405A1 (en) 2018-05-03
EP3661203A1 (en) 2020-06-03
KR101684209B1 (ko) 2016-12-07
AU2015213340A1 (en) 2015-09-03

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