MX2022002085A - Metodo de decodificacion de imagen y dispositivo para el mismo. - Google Patents

Metodo de decodificacion de imagen y dispositivo para el mismo.

Info

Publication number
MX2022002085A
MX2022002085A MX2022002085A MX2022002085A MX2022002085A MX 2022002085 A MX2022002085 A MX 2022002085A MX 2022002085 A MX2022002085 A MX 2022002085A MX 2022002085 A MX2022002085 A MX 2022002085A MX 2022002085 A MX2022002085 A MX 2022002085A
Authority
MX
Mexico
Prior art keywords
decoding method
image decoding
device therefor
image information
image
Prior art date
Application number
MX2022002085A
Other languages
English (en)
Inventor
Seunghwan Kim
Seethal Paluri
Jie Zhao
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 MX2022002085A publication Critical patent/MX2022002085A/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
    • H04N19/102—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
    • H04N19/102—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
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/96—Tree coding, e.g. quad-tree 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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/134—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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/186—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
    • H04N19/50—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
    • H04N19/60—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
    • 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

Abstract

La presente invención se refiere a un método por el cual un dispositivo decodificador decodifica una imagen, de acuerdo con el presente documento, comprende los pasos de: adquirir información de la imagen; y generar una imagen de reconstrucción sobre la base de la información de la imagen.
MX2022002085A 2019-08-22 2020-08-20 Metodo de decodificacion de imagen y dispositivo para el mismo. MX2022002085A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962890602P 2019-08-22 2019-08-22
PCT/KR2020/011086 WO2021034117A1 (ko) 2019-08-22 2020-08-20 영상 디코딩 방법 및 그 장치

Publications (1)

Publication Number Publication Date
MX2022002085A true MX2022002085A (es) 2022-03-17

Family

ID=74660584

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022002085A MX2022002085A (es) 2019-08-22 2020-08-20 Metodo de decodificacion de imagen y dispositivo para el mismo.

Country Status (7)

Country Link
US (1) US20220286678A1 (es)
EP (1) EP4020988A4 (es)
JP (2) JP7326585B2 (es)
KR (2) KR102655352B1 (es)
CN (1) CN114258684A (es)
MX (1) MX2022002085A (es)
WO (1) WO2021034117A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220264098A1 (en) * 2019-08-22 2022-08-18 Lg Electronics Inc. Image decoding method using chroma quantization parameter, and apparatus therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101566366B1 (ko) * 2011-03-03 2015-11-16 한국전자통신연구원 색차 성분 양자화 매개 변수 결정 방법 및 이러한 방법을 사용하는 장치
CN106131561B (zh) * 2012-01-20 2019-10-18 维洛媒体国际有限公司 解码装置和解码方法
US9451258B2 (en) * 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US10440365B2 (en) * 2013-06-28 2019-10-08 Velos Media, Llc Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US9510002B2 (en) * 2013-09-09 2016-11-29 Apple Inc. Chroma quantization in video coding
WO2017206826A1 (en) * 2016-05-28 2017-12-07 Mediatek Inc. Methods and apparatuses of video data processing with conditionally quantization parameter information signaling
WO2020035066A1 (en) * 2018-08-16 2020-02-20 Mediatek Inc. Methods and apparatuses of chroma quantization parameter derivation in video processing system
KR102578075B1 (ko) 2018-09-21 2023-09-12 후아웨이 테크놀러지 컴퍼니 리미티드 역 양자화 장치 및 방법
KR20220044279A (ko) 2019-08-15 2022-04-07 바이트댄스 아이엔씨 팔레트 이스케이프 심벌에 대한 엔트로피 코딩

Also Published As

Publication number Publication date
JP2023145648A (ja) 2023-10-11
WO2021034117A1 (ko) 2021-02-25
JP2022543608A (ja) 2022-10-13
EP4020988A4 (en) 2023-11-01
CN114258684A (zh) 2022-03-29
EP4020988A1 (en) 2022-06-29
US20220286678A1 (en) 2022-09-08
JP7326585B2 (ja) 2023-08-15
KR102655352B1 (ko) 2024-04-04
KR20240046296A (ko) 2024-04-08
KR20220019269A (ko) 2022-02-16

Similar Documents

Publication Publication Date Title
MX2021008449A (es) Metodo y dispositivo de codificacion de imagen usando bandera de salto de transformacion.
MX2023000074A (es) Metodo de decodificacion de video y dispositivo para ello y metodo de codificacion de video y dispositivo para ello.
MY196389A (en) Two-dimensional code and method and apparatus for recognizing two-dimensional code, and terminal
MX2021015274A (es) Metodo de decodificacion de imagenes y dispositivo para el mismo.
EP4290864A3 (en) Image data encoding/decoding method and apparatus
PH12020500016A1 (en) Picture data encoding method and apparatus and picture data decoding method and apparatus
GB2589506A9 (en) Method and apparatus for selecting background music for video capture, terminal device, and medium
MX2018002414A (es) Metodo y dispositivo de prediccion de imagen.
PH12017501851B1 (en) Encoding device, decoding device, encoding method and decoding method
MY178715A (en) Decoding device and decoding method, and coding device and coding method
EP3499900A3 (en) Video processing method, apparatus and device
GB201111866D0 (en) Video encoding and decoding with improved error re
NZ608999A (en) Composite video streaming using stateless compression
MX2020006313A (es) Metodo de codificacion de imagenes basado en transformacion secundaria no separable y dispositivo para el mismo.
PH12021551031A1 (en) Method for encoding/decoding image signal and device therefor
MX2021012732A (es) Codificacion de imagen utilizando el indice de transformacion.
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.
EP4307676A3 (en) Method for coding image on basis of selective transform and device therefor
EP4262212A3 (en) Image decoding and encoding method by an apparatus based on motion prediction in sub-block unit in image coding system
MX2022002085A (es) Metodo de decodificacion de imagen y dispositivo para el mismo.
MX2022000157A (es) Metodo de decodificacion de imagenes y dispositivo para el mismo.
MX2022000146A (es) Metodo para decodificar imagenes y aparato para el mismo.
EP4254035A3 (en) Method, apparatus, and recording medium for processing image
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.
ZA202210631B (en) Image decoding method and apparatus therefor