MX2022000156A - Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits. - Google Patents

Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits.

Info

Publication number
MX2022000156A
MX2022000156A MX2022000156A MX2022000156A MX2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A MX 2022000156 A MX2022000156 A MX 2022000156A
Authority
MX
Mexico
Prior art keywords
block
encoding
current block
transform block
maximum size
Prior art date
Application number
MX2022000156A
Other languages
English (en)
Inventor
Ling Li
Jung Hak Nam
Original Assignee
Lg Electronics Inc
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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of MX2022000156A publication Critical patent/MX2022000156A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/12Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/119Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/157Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/186Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42Methods 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
    • H04N19/423Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods 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

Landscapes

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

Abstract

La presente invención se refiere a un método y aparato de codificación/decodificación de imagen. Un método de decodificación de imagen realizado por un aparato de decodificación de imagen puede incluir determinar un modo de predicción de un bloque actual, generar un bloque de predicción del bloque actual basado en información del modo de inter predicción, basado en el modo de predicción del bloque actual siendo un modo de inter predicción, generar un bloque residual del bloque actual basado en un bloque de transformación del bloque actual, y reconstruir el bloque actual basado en el bloque de predicción y el bloque residual del bloque actual.
MX2022000156A 2019-06-24 2020-06-24 Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits. MX2022000156A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962865951P 2019-06-24 2019-06-24
PCT/KR2020/008233 WO2020262962A1 (ko) 2019-06-24 2020-06-24 크로마 변환 블록의 최대 크기 제한을 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 전송하는 방법

Publications (1)

Publication Number Publication Date
MX2022000156A true MX2022000156A (es) 2022-02-21

Family

ID=74061998

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022000156A MX2022000156A (es) 2019-06-24 2020-06-24 Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits.

Country Status (9)

Country Link
US (2) US11711519B2 (es)
EP (1) EP3989557A4 (es)
JP (2) JP7318024B2 (es)
KR (1) KR20220004765A (es)
CN (1) CN114270822A (es)
BR (1) BR112021026535A2 (es)
CA (1) CA3145389A1 (es)
MX (1) MX2022000156A (es)
WO (1) WO2020262962A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020282086A1 (en) * 2019-05-24 2021-11-04 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using for ibc merge list
US20230058283A1 (en) * 2020-02-17 2023-02-23 Hyundai Motor Company Video encoding and decoding based on resampling chroma signals

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090003449A1 (en) * 2007-06-28 2009-01-01 Mitsubishi Electric Corporation Image encoding device, image decoding device, image encoding method and image decoding method
CN107105281B (zh) * 2010-12-14 2019-11-12 M&K控股株式会社 用于解码运动画面的设备
KR20130050404A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 복원 블록 생성 방법
KR102072124B1 (ko) * 2011-11-24 2020-02-04 에스케이텔레콤 주식회사 세밀한 예측 단위를 사용하는 효과적인 부호화/복호화 방법 및 장치
CN108632611A (zh) * 2012-06-29 2018-10-09 韩国电子通信研究院 视频解码方法、视频编码方法和计算机可读介质
CN104604225B (zh) * 2012-09-10 2018-01-26 太阳专利托管公司 图像编码方法、图像解码方法、图像编码装置、图像解码装置及图像编码解码装置
US10397607B2 (en) * 2013-11-01 2019-08-27 Qualcomm Incorporated Color residual prediction for video coding
US10631013B2 (en) * 2015-06-11 2020-04-21 Lg Electronics Inc. Method for re-positioning significant coefficient in image encoding/decoding process and device therefor
MX2018013461A (es) * 2016-05-13 2019-03-28 Sony Corp Aparato y metodo de procesamiento de imagenes.
KR101725287B1 (ko) * 2016-10-27 2017-04-10 삼성전자주식회사 영상 복호화 방법 및 장치
EP3421851A1 (de) 2017-06-30 2019-01-02 VAT Holding AG Vakuumventil mit drucksensor
US11172204B2 (en) * 2017-09-12 2021-11-09 Samsung Electronics Co., Ltd. Method for encoding and decoding motion information and device for encoding and decoding motion information
US10666943B2 (en) * 2017-09-15 2020-05-26 Futurewei Technologies, Inc. Block partition structure in video compression
US10951895B2 (en) * 2018-12-31 2021-03-16 Alibaba Group Holding Limited Context model selection based on coding unit characteristics
KR101997604B1 (ko) * 2019-01-22 2019-07-08 에스케이 텔레콤주식회사 영상 부호화/복호화 방법 및 장치
KR101997599B1 (ko) * 2019-01-22 2019-07-08 에스케이 텔레콤주식회사 비균등 양자화를 이용한 효과적인 부호화/복호화 방법 및 장치

Also Published As

Publication number Publication date
KR20220004765A (ko) 2022-01-11
US20230353743A1 (en) 2023-11-02
US20220201309A1 (en) 2022-06-23
JP2022539750A (ja) 2022-09-13
JP2023130427A (ja) 2023-09-20
JP7318024B2 (ja) 2023-07-31
CN114270822A (zh) 2022-04-01
EP3989557A4 (en) 2023-05-24
CA3145389A1 (en) 2020-12-30
US12022083B2 (en) 2024-06-25
JP7492067B2 (ja) 2024-05-28
EP3989557A1 (en) 2022-04-27
WO2020262962A1 (ko) 2020-12-30
US11711519B2 (en) 2023-07-25
BR112021026535A2 (pt) 2022-02-15

Similar Documents

Publication Publication Date Title
MX2021008449A (es) Metodo y dispositivo de codificacion de imagen usando bandera de salto de transformacion.
MX2020013802A (es) Metodo y aparato para codificar/decodificar imagenes usando parametros de cuantificacion, y medio de grabacion que almacena flujo de bits.
PH12021550932A1 (en) Image signal encoding/decoding method and apparatus therefor
PH12021551032A1 (en) Video signal encoding and decoding method, and apparatus therefor
MX2021005493A (es) Metodo para codificar el coeficiente de transformacion con base en la puesta a cero de frecuencia alta y aparato del mismo.
PH12021550912A1 (en) Video signal encoding and decoding method, and apparatus therefor
MX2023012285A (es) Metodo y aparato de decodificacion de video y metodo y aparato de codificacion de video.
EP4262212A3 (en) Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system
MX2021012732A (es) Codificacion de imagen utilizando el indice de transformacion.
MX2021003245A (es) Metodo de codificacion de nivel del factor de conversion y dispositivo del mismo.
MX2021000650A (es) Metodo y aparato de codificacion/decodificacion de imagen, y medio de grabacion en el cual el flujo de bits es almacenado.
MX2021002881A (es) Método de decodificación de imagen basado en predicción de movimiento afín y aparato usando la lista de candidato de mvp afín en el sistema de codificación de imagen.
MX2021002815A (es) Metodo de codificacion residual y dispositivo para lo mismo.
MX2022006190A (es) Metodo y dispositivo de codificacion/decodificacion de imagenes usando transformacion de color sin perdidas y metodo para transmitir flujo de bits.
EP4307676A3 (en) Method for coding image on basis of selective transform and device therefor
MX2022001902A (es) Método y aparato de codificación/decodificación de imagen para determinar el modo de predicción del bloque de croma por referencia a la posición de la muestra de luma, y método para transmitir flujo de bits.
MX2022002086A (es) Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.
KR20180084662A (ko) 영상 신호 부호화/복호화 방법 및 장치
MX2021010704A (es) Metodo y aparato de codificacion/decodificacion de imagenes.
MX2021007632A (es) Metodo para codificar imagen a base de intra prediccion usando la lista del modo mas probable (mpm) y aparato para el mismo.
MX2022000156A (es) Método y aparato para codificación/decodificación de video usando limitación de tamaño máximo de bloque de transformación de croma, y método para transmitir flujo de bits.
MX2021004008A (es) Método de diseño de sintaxis y aparato para realizar codificación usando sintaxis.
MX2022005099A (es) Metodo y dispositivo para codificar/decodificar imagen usando conversion de espacio de color, y metodo para transmitir flujo de bits.
EP4002843A4 (en) IMAGE CODING/DECODING METHOD AND DEVICE FOR SIGNALING CHROMA COMPONENT PREDICTION INFORMATION DEPENDING ON PALETTE MODE APPLICABILITY AND METHODS FOR TRANSMITTING BITSTREAMS
MX2022000234A (es) Metodo y dispositivo de codificacion/decodificacion de video para derivar el indice de ponderacion para prediccion bidireccional de candidato de fusion, y metodo para transmitir flujo de bits.