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MX2022006965A - Método y dispositivo para señalización de información de imagen. - Google Patents

Método y dispositivo para señalización de información de imagen.

Info

Publication number
MX2022006965A
MX2022006965A MX2022006965A MX2022006965A MX2022006965A MX 2022006965 A MX2022006965 A MX 2022006965A MX 2022006965 A MX2022006965 A MX 2022006965A MX 2022006965 A MX2022006965 A MX 2022006965A MX 2022006965 A MX2022006965 A MX 2022006965A
Authority
MX
Mexico
Prior art keywords
signaling
basis
current block
reference picture
picture list
Prior art date
Application number
MX2022006965A
Other languages
English (en)
Inventor
Seunghwan Kim
Hendry Hendry
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 MX2022006965A publication Critical patent/MX2022006965A/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
    • H04N19/117—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
    • H04N19/70—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
    • 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
    • H04N19/132—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
    • H04N19/134—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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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

Landscapes

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

Abstract

La presente invención se refiere a un método de decodificación de imagen realizado por un aparato de decodificación, de conformidad con la presente descripción, que comprende los pasos de: obtener información de indicación que incluye una primer bandera la cual indica sí la señalización de una lista de imagen de referencia, que será aplicada a un bloque actual, es aplicada a un nivel de imagen o a un nivel de segmento; con base de la primer bandera, analizar, a partir de un encabezado de imagen o un encabezado de segmento, información relacionada con la señalización de la lista de imagen de referencia; realizar inter-predicción con base de la información relacionada con la señalización de la lista de imagen de referencia para así derivar muestras de predicción para el bloque actual; y generar, con base en las muestras de predicción, muestras reconstruidas para el bloque actual.
MX2022006965A 2019-12-12 2020-12-10 Método y dispositivo para señalización de información de imagen. MX2022006965A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962947534P 2019-12-12 2019-12-12
PCT/KR2020/018068 WO2021118263A1 (ko) 2019-12-12 2020-12-10 영상 정보를 시그널링하는 방법 및 장치

Publications (1)

Publication Number Publication Date
MX2022006965A true MX2022006965A (es) 2022-09-19

Family

ID=76330701

Family Applications (3)

Application Number Title Priority Date Filing Date
MX2022006965A MX2022006965A (es) 2019-12-12 2020-12-10 Método y dispositivo para señalización de información de imagen.
MX2025009466A MX2025009466A (es) 2019-12-12 2022-06-08 Método y dispositivo para señalización de información de imagen
MX2025009469A MX2025009469A (es) 2019-12-12 2022-06-08 Método y dispositivo para señalización de información de imagen.

Family Applications After (2)

Application Number Title Priority Date Filing Date
MX2025009466A MX2025009466A (es) 2019-12-12 2022-06-08 Método y dispositivo para señalización de información de imagen
MX2025009469A MX2025009469A (es) 2019-12-12 2022-06-08 Método y dispositivo para señalización de información de imagen.

Country Status (4)

Country Link
US (1) US12206857B2 (es)
CN (3) CN118317112A (es)
MX (3) MX2022006965A (es)
WO (1) WO2021118263A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12010348B2 (en) * 2019-12-12 2024-06-11 Lg Electronics Inc. Image decoding method and device using deblocking filtering

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9237356B2 (en) 2011-09-23 2016-01-12 Qualcomm Incorporated Reference picture list construction for video coding
KR20130034566A (ko) 2011-09-28 2013-04-05 한국전자통신연구원 제한된 오프셋 보상 및 루프 필터를 기반으로 하는 영상 부호화 및 복호화 방법 및 그 장치
US9538200B2 (en) * 2012-01-19 2017-01-03 Qualcomm Incorporated Signaling of deblocking filter parameters in video coding
WO2014051372A1 (ko) 2012-09-28 2014-04-03 엘지전자 주식회사 영상 복호화 방법 및 이를 이용하는 장치
KR20140121315A (ko) * 2013-04-04 2014-10-15 한국전자통신연구원 참조 픽처 리스트를 이용한 다 계층 기반의 영상 부호화/복호화 방법 및 그 장치
US10432928B2 (en) * 2014-03-21 2019-10-01 Qualcomm Incorporated Using a current picture as a reference for video coding
WO2016085229A1 (ko) 2014-11-27 2016-06-02 주식회사 케이티 비디오 신호 처리 방법 및 장치
US10638140B2 (en) * 2015-05-29 2020-04-28 Qualcomm Incorporated Slice level intra block copy and other video coding improvements
WO2016200043A1 (ko) 2015-06-10 2016-12-15 엘지전자 주식회사 비디오 코딩 시스템에서 가상 참조 픽처 기반 인터 예측 방법 및 장치
WO2016200242A1 (ko) 2015-06-11 2016-12-15 한양대학교 산학협력단 적응적인 디블록킹 필터링을 이용하는 영상 부호화 방법과 영상 복호화 방법 및 장치
WO2017188566A1 (ko) 2016-04-25 2017-11-02 엘지전자 주식회사 영상 코딩 시스템에서 인터 예측 방법 및 장치
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WO2019216736A1 (ko) 2018-05-11 2019-11-14 엘지전자 주식회사 인터 예측 모드 기반 영상 처리 방법 및 이를 위한 장치

Also Published As

Publication number Publication date
CN115088262B (zh) 2024-06-04
MX2025009469A (es) 2025-09-02
CN115088262A (zh) 2022-09-20
CN118317112A (zh) 2024-07-09
US20230123974A1 (en) 2023-04-20
KR20220088796A (ko) 2022-06-28
WO2021118263A1 (ko) 2021-06-17
US12206857B2 (en) 2025-01-21
MX2025009466A (es) 2025-09-02
CN118317111A (zh) 2024-07-09

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