MX2021008601A - Codificacion de video o imagen basado en el mapeo de luma. - Google Patents

Codificacion de video o imagen basado en el mapeo de luma.

Info

Publication number
MX2021008601A
MX2021008601A MX2021008601A MX2021008601A MX2021008601A MX 2021008601 A MX2021008601 A MX 2021008601A MX 2021008601 A MX2021008601 A MX 2021008601A MX 2021008601 A MX2021008601 A MX 2021008601A MX 2021008601 A MX2021008601 A MX 2021008601A
Authority
MX
Mexico
Prior art keywords
image coding
luma mapping
based video
lmcs
video
Prior art date
Application number
MX2021008601A
Other languages
English (en)
Inventor
Seunghwan Kim
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 MX2021008601A publication Critical patent/MX2021008601A/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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/124—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
    • H04N19/134—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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/80—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
    • H04N19/90—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Color Television Systems (AREA)

Abstract

La presente invención se refiere de conformidad con la descripción del presente documento, a un procedimiento para derivar índices para mapeo de luma inverso y/o escalación residual de croma que puede ser simplificado, y se puede aplicar LMCS. Por lo tanto, la complejidad de LMCS puede ser reducida, y la eficiencia de codificación de video/imagen puede ser incrementada.
MX2021008601A 2019-06-17 2020-06-17 Codificacion de video o imagen basado en el mapeo de luma. MX2021008601A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962862651P 2019-06-17 2019-06-17
PCT/KR2020/007818 WO2020256393A1 (ko) 2019-06-17 2020-06-17 루마 맵핑 기반 비디오 또는 영상 코딩

Publications (1)

Publication Number Publication Date
MX2021008601A true MX2021008601A (es) 2021-09-21

Family

ID=74040241

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021008601A MX2021008601A (es) 2019-06-17 2020-06-17 Codificacion de video o imagen basado en el mapeo de luma.

Country Status (7)

Country Link
US (1) US11949872B2 (es)
EP (1) EP3985977A4 (es)
JP (2) JP7425810B2 (es)
KR (1) KR20210096281A (es)
CN (1) CN113475073A (es)
MX (1) MX2021008601A (es)
WO (1) WO2020256393A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022178433A1 (en) * 2021-02-22 2022-08-25 Beijing Dajia Internet Information Technology Co., Ltd. Improved local illumination compensation for inter prediction
WO2023193925A1 (en) * 2022-04-08 2023-10-12 Telefonaktiebolaget Lm Ericsson (Publ) Multiple mappings for a single slice of a picture

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2051527A1 (en) * 2007-10-15 2009-04-22 Thomson Licensing Enhancement layer residual prediction for bit depth scalability using hierarchical LUTs
KR20120046726A (ko) 2009-08-06 2012-05-10 파나소닉 주식회사 부호화 방법, 복호 방법, 부호화 장치 및 복호 장치
US9172968B2 (en) 2010-07-09 2015-10-27 Qualcomm Incorporated Video coding using directional transforms
EP3113495A1 (en) 2015-06-30 2017-01-04 Thomson Licensing Methods and devices for encoding and decoding a hdr color picture
US20170150156A1 (en) 2015-11-25 2017-05-25 Qualcomm Incorporated Illumination compensation with non-square predictive blocks in video coding
US10652575B2 (en) 2016-09-15 2020-05-12 Qualcomm Incorporated Linear model chroma intra prediction for video coding
CN110419218B (zh) 2017-03-16 2021-02-26 联发科技股份有限公司 编码或解码视频数据的方法和装置
WO2018174402A1 (ko) 2017-03-21 2018-09-27 엘지전자 주식회사 영상 코딩 시스템에서 변환 방법 및 그 장치
WO2018231968A1 (en) 2017-06-16 2018-12-20 Dolby Laboratories Licensing Corporation Efficient end-to-end single layer inverse display management coding
CN117119180A (zh) 2017-06-21 2023-11-24 Lg 电子株式会社 在图像编译系统中根据帧内预测用于解码图像的方法和设备
CN117793380A (zh) * 2017-06-29 2024-03-29 杜比实验室特许公司 整合的图像整形和视频编码
CN113994668A (zh) * 2019-02-01 2022-01-28 北京字节跳动网络技术有限公司 基于环路整形的滤波过程
WO2020185984A1 (en) * 2019-03-13 2020-09-17 Interdigital Vc Holdings, Inc. In-loop reshaping adaptive reshaper direction
CN113412616B (zh) * 2019-06-17 2024-06-11 Lg电子株式会社 基于亮度映射与色度缩放的视频或图像编译

Also Published As

Publication number Publication date
JP2022535906A (ja) 2022-08-10
JP7425810B2 (ja) 2024-01-31
CN113475073A (zh) 2021-10-01
JP2024038444A (ja) 2024-03-19
EP3985977A1 (en) 2022-04-20
KR20210096281A (ko) 2021-08-04
US20220109847A1 (en) 2022-04-07
EP3985977A4 (en) 2023-07-12
US11949872B2 (en) 2024-04-02
WO2020256393A1 (ko) 2020-12-24

Similar Documents

Publication Publication Date Title
MX2017014312A (es) Pre-procesamiento y codificacion de pixeles.
MY177576A (en) Pixel pre-processing and encoding
SG11202109285VA (en) Luma mapping with chroma scaling adaptation parameter set in video coding
AU2020213583A8 (en) Signaling of in-loop reshaping information using parameter sets
MX2021014971A (es) Codificacion de video o imagen en base a mapeo de luma y escalado de croma.
MX2023012078A (es) Reconfiguracion de imagenes en codificacion de video usando la optimizacion de tasa-distorsion.
PH12017501109B1 (en) Methods of palette based prediction for non-444 color format in video and image coding
GB202312596D0 (en) Low complexity enhancement video coding
PH12020550801A1 (en) Signaling mechanisms for equal ranges and other dra parameters for video coding
MX2018009737A (es) Metodo y dispositivo para codificacion/decodificacion de una unidad de imagen comprendiendo datos de imagen representados por un canal de luminancia y al menos un canal de crominancia.
MX2018013942A (es) Metodo y aparato para codificacion de video con recorte adaptativo.
MX2021008601A (es) Codificacion de video o imagen basado en el mapeo de luma.
MX2022001465A (es) Se?alizacion dependiente de las subimagenes en flujos de bits de video.
MX2021001745A (es) Gestión de imágenes de referencia en codificación de video.
WO2020125754A9 (en) Motion vector derivation using higher bit-depth precision
EP3915252A4 (en) IMPLEMENTATION OF ASPECTS IN AN INTRA BLOCK COPY IN VIDEO ENCODING
MX2022002188A (es) Determinacion de modo de codificacion basada en formato de color.
MX2022007897A (es) Codificacion de imagen o video basada en informacion asociada a la unidad nal.
SG11202111388WA (en) Color transform for video coding
MX2022002086A (es) Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma.
MX2022002304A (es) Codificacion de imagen o video basada en codificacion de escape de paleta.
EP3861733A4 (en) QUANTIFICATION PARAMETER ENCODING TECHNIQUES FOR 360 ° IMAGE AND VIDEO ENCODING
WO2017074845A3 (en) Hybrid digital-analog coding of stereo video
EP4133723A4 (en) VIDEO CODING IN CHROMINANCE MODE
MX2022004015A (es) Codificacion de video o imagen basada en la se?alizacion de salto de transformacion e informacion relacionada con la codificacion de paletas.