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MX2014015240A - Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color. - Google Patents

Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color.

Info

Publication number
MX2014015240A
MX2014015240A MX2014015240A MX2014015240A MX2014015240A MX 2014015240 A MX2014015240 A MX 2014015240A MX 2014015240 A MX2014015240 A MX 2014015240A MX 2014015240 A MX2014015240 A MX 2014015240A MX 2014015240 A MX2014015240 A MX 2014015240A
Authority
MX
Mexico
Prior art keywords
ods
color
segment
brightness
current segment
Prior art date
Application number
MX2014015240A
Other languages
English (en)
Other versions
MX342394B (es
Inventor
Elena Alshina
Alexander Alshin
Original Assignee
Samsung Electronics 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
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of MX2014015240A publication Critical patent/MX2014015240A/es
Publication of MX342394B publication Critical patent/MX342394B/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
    • H04N19/10—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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—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
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/169—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
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    • 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
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    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

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

Abstract

Un método y aparato de video codificación, y un método y aparato de video descodificación para generar una imagen reconstruida que tiene un error reducido al mínimo entre una imagen original y la imagen recponstruida. El método de decodificación de video acompañado por un ajuste de compensación adaptativa de muestra (SAO), el método incluye: obtener parámetros de SAO de segmento con respecto a un segmento actual de un encabezado de segmento de un flujo de bits recibido; obtener información de uso de SAO de brillo para un componente de brillo del segmento actual e información de uso de SAO de color para componentes de color del mismo de entre los parámetros de SAO de segmento; determinar si realizar una operación de SAO en el componente de brillo del segmento actual con base en la información de uso de SAO de brillo; y determinar de la misma forma si realizar el ajuste de SAO en un primer componente de color y un segundo componente de color del segmento actual con base en la información de uso de SAO de color obtenida.
MX2014015240A 2012-06-11 2013-06-11 Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color. MX342394B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261657967P 2012-06-11 2012-06-11
PCT/KR2013/005112 WO2013187654A1 (ko) 2012-06-11 2013-06-11 컬러성분별로 sao 파라미터를 공유하는 비디오 부호화 방법 및 그 장치, 비디오 복호화 방법 및 그 장치

Publications (2)

Publication Number Publication Date
MX2014015240A true MX2014015240A (es) 2015-02-20
MX342394B MX342394B (es) 2016-09-28

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MX2017014277A MX395649B (es) 2012-06-11 2013-06-11 Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color.
MX2016012261A MX352119B (es) 2012-06-11 2013-06-11 Método y aparato de videocodificación, y método y aparato de videodecodificación que comparten parámetros de compensación adaptativa de muestra (sao) entre componentes de color.
MX2014015240A MX342394B (es) 2012-06-11 2013-06-11 Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color.

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MX2017014277A MX395649B (es) 2012-06-11 2013-06-11 Metodo y aparato de videocodificacion, y metodo y aparato de videodecodificacion que comparten parametros de compensacion adaptativa de muestra (sao) entre componentes de color.
MX2016012261A MX352119B (es) 2012-06-11 2013-06-11 Método y aparato de videocodificación, y método y aparato de videodecodificación que comparten parámetros de compensación adaptativa de muestra (sao) entre componentes de color.

Country Status (27)

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US (6) US9807392B2 (es)
EP (5) EP2854398B1 (es)
JP (5) JP5990326B2 (es)
KR (6) KR101529994B1 (es)
CN (10) CN108600752B (es)
AU (3) AU2013275098B2 (es)
BR (2) BR122019022458B1 (es)
CA (2) CA2985277C (es)
CY (1) CY1119864T1 (es)
DK (5) DK3297283T3 (es)
ES (5) ES2755811T3 (es)
HR (1) HRP20171936T1 (es)
HU (5) HUE047873T2 (es)
IN (1) IN2014MN02643A (es)
LT (1) LT2854398T (es)
MX (3) MX395649B (es)
MY (2) MY171147A (es)
NO (1) NO2938424T3 (es)
PH (5) PH12014502761B1 (es)
PL (5) PL3300365T3 (es)
PT (1) PT2854398T (es)
RS (1) RS56675B1 (es)
RU (4) RU2595578C2 (es)
SG (4) SG11201408246QA (es)
SI (1) SI2854398T1 (es)
TW (5) TWI687091B (es)
WO (1) WO2013187654A1 (es)

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