MX2021002185A - Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. - Google Patents

Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video.

Info

Publication number
MX2021002185A
MX2021002185A MX2021002185A MX2021002185A MX2021002185A MX 2021002185 A MX2021002185 A MX 2021002185A MX 2021002185 A MX2021002185 A MX 2021002185A MX 2021002185 A MX2021002185 A MX 2021002185A MX 2021002185 A MX2021002185 A MX 2021002185A
Authority
MX
Mexico
Prior art keywords
current block
video
look
basis
determining
Prior art date
Application number
MX2021002185A
Other languages
English (en)
Inventor
Minwoo Park
Narae Choi
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 MX2021002185A publication Critical patent/MX2021002185A/es

Links

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
    • H04N19/134—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/03—Digital function generators working, at least partly, by table look-up
    • 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
    • H04N19/10—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process

Landscapes

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

Abstract

Se proporcionan un método y un aparato de decodificación de vídeo que incluyen: en un proceso de codificación y decodificación de vídeo, determinar la información de paridad de un bloque actual basándose en una anchura y una altura del bloque actual; determinar una tabla de búsqueda del bloque actual de entre una pluralidad de tablas de búsqueda predefinidas basándose en la información de paridad; determinar un valor de escala de descuantificación del bloque actual basándose en la tabla de búsqueda del bloque actual; y realizar la descuantificación del bloque actual usando el valor de escala de descuantificación.
MX2021002185A 2018-08-31 2019-08-30 Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video. MX2021002185A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862725768P 2018-08-31 2018-08-31
PCT/KR2019/011173 WO2020046053A1 (ko) 2018-08-31 2019-08-30 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2021002185A true MX2021002185A (es) 2021-05-14

Family

ID=69642780

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021002185A MX2021002185A (es) 2018-08-31 2019-08-30 Metodo y aparato de decodificacion de video, y metodo y aparato de codificacion de video.

Country Status (8)

Country Link
US (5) US11310503B2 (es)
EP (1) EP3846470A4 (es)
KR (2) KR20210145851A (es)
CN (1) CN112640456A (es)
AU (1) AU2019332547B2 (es)
MX (1) MX2021002185A (es)
PH (1) PH12021550272A1 (es)
WO (1) WO2020046053A1 (es)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8731051B1 (en) * 2006-02-10 2014-05-20 Nvidia Corporation Forward and inverse quantization of data for video compression
JP2012104926A (ja) * 2010-11-08 2012-05-31 Oki Electric Ind Co Ltd 量子化パラメータ制御装置、量子化パラメータ制御方法、及びプログラム
KR101712156B1 (ko) 2010-12-06 2017-03-06 에스케이 텔레콤주식회사 임의의 형태의 블록을 이용한 인터예측에 의한 영상의 부호화/복호화 방법 및 장치
MX2014002749A (es) * 2011-09-08 2014-04-16 Motorola Mobility Llc Metodos y aparato para cuantificacion y descuantificacion de un bloque rectangular de coeficientes.
TWI632805B (zh) * 2012-06-11 2018-08-11 三星電子股份有限公司 視訊解碼方法、視訊編碼方法、視訊解碼裝置、視訊編碼裝置以及非暫態的電腦可讀取儲存媒體
KR101419689B1 (ko) * 2012-07-25 2014-07-16 한밭대학교 산학협력단 Ｈ.264/ａｖｃ 복호기에서 역양자화 및 역변환을 수행하는 복호화 장치 및 이를 이용한 복호화 방법
US10136133B2 (en) * 2014-11-11 2018-11-20 Dolby Laboratories Licensing Corporation Rate control adaptation for high-dynamic range images
KR102445668B1 (ko) * 2016-06-01 2022-09-21 삼성전자주식회사 부호화 순서 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
EP3349452A1 (en) * 2017-01-11 2018-07-18 Thomson Licensing Scaling of transform coefficients for non-dyadic transform blocks
EP3577899A4 (en) * 2017-01-31 2020-06-17 Sharp Kabushiki Kaisha SYSTEMS AND METHODS FOR SCALING TRANSFORM COEFFICIENT LEVEL VALUES
KR101763111B1 (ko) * 2017-02-24 2017-07-31 에스케이 텔레콤주식회사 다양한 형태의 블록 분할을 이용하는 영상 부호화/복호화 장치 및 방법
CN112771864B (zh) * 2018-09-19 2023-08-29 寰发股份有限公司 视频编解码***中变换系数量化缩放的方法及装置
US10986339B2 (en) * 2019-02-08 2021-04-20 Tencent America LLC Method and apparatus for harmonization between transform skip mode and multiple transform selection

Also Published As

Publication number Publication date
US20220248019A1 (en) 2022-08-04
US11785217B2 (en) 2023-10-10
US11765354B2 (en) 2023-09-19
CN112640456A (zh) 2021-04-09
US11770531B2 (en) 2023-09-26
AU2019332547A1 (en) 2021-03-04
KR20210022761A (ko) 2021-03-03
KR102333181B1 (ko) 2021-12-01
WO2020046053A1 (ko) 2020-03-05
EP3846470A1 (en) 2021-07-07
KR20210145851A (ko) 2021-12-02
PH12021550272A1 (en) 2021-11-03
US11770530B2 (en) 2023-09-26
US20220239917A1 (en) 2022-07-28
EP3846470A4 (en) 2022-05-11
US11310503B2 (en) 2022-04-19
US20220248020A1 (en) 2022-08-04
AU2019332547B2 (en) 2024-06-13
US20220239916A1 (en) 2022-07-28
US20210176469A1 (en) 2021-06-10

Similar Documents

Publication Publication Date Title
ZA202210140B (en) Method and apparatus for encoding/decoding image
MX2016011590A (es) Uso de una imagen actual como una referencia para la codificacion de video.
ZA202202999B (en) Method and device for coding/decoding image using intra prediction
IL253762B (en) Video coding optimization method and system
MY175978A (en) Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection
MY198068A (en) Method and device for encoding or decoding encoding unit of picture outline
WO2015152608A3 (ko) 서브블록 기반 예측을 수행하는 인터 레이어 비디오 복호화 방법 및 그 장치 및 서브블록 기반 예측을 수행하는 인터 레이어 비디오 부호화 방법 및 그 장치
CL2023001946A1 (es) Método y dispositivo de codificación/decodificación de video a base de intra predicción
TN2017000327A1 (en) Restriction on palette block size in video coding
MX353742B (es) Método y aparato de codificación y decodificación de video de base de unidad de datos jerárquica que comprende la predicción del parámetro de cuantificación.
WO2012121535A3 (ko) 휘도 샘플을 이용한 색차 블록의 화면 내 예측 방법 및 이러한 방법을 사용하는 장치
MY164252A (en) Method and apparatus for entropy encoding using hierarchical data unit, and method and apparatus for decoding
MX2023012298A (es) Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video.
MX2022003940A (es) Proceso de codificacion para modo de particion geometrica.
MX2019014443A (es) Un metodo y un dispositivo para codificacion y decodificacion de imagenes.
MX2016012521A (es) Metodo y aparato para control de velocidad de codificacion en esquemas avanzados de codificacion.
MX2021014603A (es) Método y aparato de señalización de límites virtuales para codificación/decodificación de video.
PH12020500550A1 (en) Encoding method apparatus therefor, and decoding method and apparatus therefor
PH12016501882A1 (en) Apparatus and methods of switching coding technologies at a device
MX2022000965A (es) Metodo y dispositivo de decodificacion de video, y metodo y dispositivo de codificacion del mismo.
KR20180084659A (ko) 영상의 부호화/복호화 방법 및 장치
MX2021007633A (es) Metodo y aparato para seleccionar seleccion de transformacion en un codificador y decodificador.
PH12021550272A1 (en) Video decoding method and apparatus, and video encoding method and apparatus
MY193553A (en) Audio coding method and related apparatus
MX2016016564A (es) Aparato y metodo de codificacion de audio.