MX2021008260A - Un codificador, un decodificador y metodos correspondientes para ejecutar desbloqueo de crominancia para bloques que utilizan codificacion de crominancia conjunta. - Google Patents

Un codificador, un decodificador y metodos correspondientes para ejecutar desbloqueo de crominancia para bloques que utilizan codificacion de crominancia conjunta.

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Publication number
MX2021008260A
MX2021008260A MX2021008260A MX2021008260A MX2021008260A MX 2021008260 A MX2021008260 A MX 2021008260A MX 2021008260 A MX2021008260 A MX 2021008260A MX 2021008260 A MX2021008260 A MX 2021008260A MX 2021008260 A MX2021008260 A MX 2021008260A
Authority
MX
Mexico
Prior art keywords
chroma
block
quantization parameter
deblocking
image
Prior art date
Application number
MX2021008260A
Other languages
English (en)
Inventor
Semih Esenlik
Roman Igorevich Chernyak
Biao Wang
Anand Meher Kotra
Han Gao
Elena Alexandrovna Alshina
Original Assignee
Huawei Tech Co Ltd
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Filing date
Publication date
Application filed by Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of MX2021008260A publication Critical patent/MX2021008260A/es

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    • 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
    • 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
    • H04N19/117—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
    • H04N19/10—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
    • H04N19/10—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
    • H04N19/182—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 pixel
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/85—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)
  • Color Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un método de desbloqueo, para desbloquear un borde de bloque de crominancia (903, 913, 923, 933, 943, 953, 963, 973) entre un primer bloque de crominancia (901, 911, 921, 931, 941, 951, 961, 971) de un primer bloque de imagen (601, 601') y un segundo bloque de crominancia (902, 912, 922, 932, 942, 952, 962, 972) de un segundo bloque de imagen (602, 602'), en una codificación de imagen y/o una decodificación de imagen, en donde el método de desbloqueo comprende: ejecutar un proceso de decisión para el borde de bloque de crominancia, en donde el proceso de decisión comprende: determinar un primer parámetro de cuantificación de crominancia (QpCp) para el primer bloque de crominancia (901, 911, 921, 931, 941, 951, 961, 971) con base en un primer parámetro de cuantificación de luminancia (QpYP) de un primer bloque de luminancia (801) del primer bloque de imagen (601, 601') y una tabla de mapeo QP de crominancia para el primer bloque de crominancia; determinar un segundo parámetro de cuantificación de crominancia (QpCq) para el segundo bloque de crominancia (902, 912, 922, 932, 942, 952, 962, 972) con base en un segundo parámetro de cuantificación de luminancia (QpYQ) de un segundo bloque de luminancia (802) del segundo bloque de imagen (602, 602') y una tabla de mapeo QP de crominancia para el segundo bloque de crominancia; determinar un parámetro de cuantificación de crominancia promediado y redondeado (QpC) con base en el primer parámetro de cuantificación de crominancia (QpCp) y el segundo parámetro de cuantificación de crominancia (QpCq); y determinar un parámetro de umbral (tC) con base el parámetro de cuantificación de crominancia promediado y redondeado (QpC); y ejecutar un proceso de filtración para el borde de bloque de crominancia con base en el parámetro de umbral (tC).
MX2021008260A 2019-08-23 2020-08-24 Un codificador, un decodificador y metodos correspondientes para ejecutar desbloqueo de crominancia para bloques que utilizan codificacion de crominancia conjunta. MX2021008260A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP2019072643 2019-08-23
RU2019000639 2019-09-16
EP2019077057 2019-10-07
PCT/CN2020/110914 WO2021037004A1 (en) 2019-08-23 2020-08-24 An encoder, a decoder and corresponding methods for performing chroma deblocking for blocks which use joint chroma coding

Publications (1)

Publication Number Publication Date
MX2021008260A true MX2021008260A (es) 2021-08-16

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MX2021008260A MX2021008260A (es) 2019-08-23 2020-08-24 Un codificador, un decodificador y metodos correspondientes para ejecutar desbloqueo de crominancia para bloques que utilizan codificacion de crominancia conjunta.

Country Status (12)

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US (3) US11317091B2 (es)
EP (2) EP4344202A2 (es)
JP (2) JP7343596B6 (es)
KR (2) KR102628895B1 (es)
CN (2) CN113711603A (es)
AU (2) AU2020335790B2 (es)
BR (1) BR112021010416A2 (es)
CA (1) CA3152228C (es)
IL (1) IL290832A (es)
MX (1) MX2021008260A (es)
WO (1) WO2021037004A1 (es)
ZA (1) ZA202203156B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200073124A (ko) * 2018-12-13 2020-06-23 에스케이텔레콤 주식회사 필터링 방법 및 영상 복호화 장치
CN117579830A (zh) 2019-06-21 2024-02-20 北京字节跳动网络技术有限公司 自适应环内颜色空间转换和其他编解码工具的选择性使用
EP4344202A2 (en) 2019-08-23 2024-03-27 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for performing chroma deblocking for blocks which use joint chroma coding
US11356684B2 (en) * 2019-08-30 2022-06-07 Alibaba Group Holding Limited Method and system for signaling chroma quantization parameter table
KR20220058889A (ko) 2019-09-14 2022-05-10 바이트댄스 아이엔씨 비디오 코딩의 크로마 양자화 파라미터
EP4022911A4 (en) * 2019-09-23 2022-11-09 Huawei Technologies Co., Ltd. METHOD AND DEVICE FOR SIGNALING CHROMINANCE QUANTIZATION PARAMETERS
WO2021060804A1 (ko) * 2019-09-27 2021-04-01 에스케이텔레콤 주식회사 크로마블록의 잔차블록 복원 방법 및 복호화 장치
CN114651442A (zh) 2019-10-09 2022-06-21 字节跳动有限公司 视频编解码中的跨分量适应性回路滤波
CN114556924B (zh) * 2019-10-14 2024-01-26 字节跳动有限公司 视频处理中色度残差的联合编解码与滤波的方法、装置及介质
US11399195B2 (en) * 2019-10-30 2022-07-26 Tencent America LLC Range of minimum coding block size in video coding
CN115152219A (zh) * 2019-11-07 2022-10-04 抖音视界有限公司 视频编解码的自适应环内颜色空间变换的量化特性
MX2022006190A (es) * 2019-11-22 2022-09-07 Lg Electronics Inc Metodo y dispositivo de codificacion/decodificacion de imagenes usando transformacion de color sin perdidas y metodo para transmitir flujo de bits.
KR20220106116A (ko) 2019-12-09 2022-07-28 바이트댄스 아이엔씨 비디오 코딩에서 양자화 그룹 사용
CN114902657A (zh) 2019-12-31 2022-08-12 字节跳动有限公司 视频编解码中的自适应颜色变换
WO2021251398A1 (ja) * 2020-06-10 2021-12-16 日本放送協会 デブロッキングフィルタ装置、復号装置、及びプログラム
US11876970B2 (en) 2021-07-22 2024-01-16 Tencent America LLC Non-interleaved separate tree

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO320048B1 (no) * 2004-06-14 2005-10-17 Tandberg Telecom As Fremgangsmate for chroma de-blokking
US9363509B2 (en) * 2011-03-03 2016-06-07 Electronics And Telecommunications Research Institute Method for determining color difference component quantization parameter and device using the method
US9025675B2 (en) * 2011-06-22 2015-05-05 Texas Instruments Incorporated Systems and methods for reducing blocking artifacts
US9167269B2 (en) * 2011-10-25 2015-10-20 Qualcomm Incorporated Determining boundary strength values for deblocking filtering for video coding
EP3588956B1 (en) * 2011-11-04 2022-03-09 LG Electronics Inc. Method and apparatus for encoding/decoding image information
US9451258B2 (en) * 2012-04-03 2016-09-20 Qualcomm Incorporated Chroma slice-level QP offset and deblocking
US9414054B2 (en) * 2012-07-02 2016-08-09 Microsoft Technology Licensing, Llc Control and use of chroma quantization parameter values
US9591302B2 (en) * 2012-07-02 2017-03-07 Microsoft Technology Licensing, Llc Use of chroma quantization parameter offsets in deblocking
US9648332B2 (en) * 2013-10-28 2017-05-09 Qualcomm Incorporated Adaptive inter-color component residual prediction
US9661329B2 (en) * 2014-04-30 2017-05-23 Intel Corporation Constant quality video coding
US10038919B2 (en) * 2014-05-29 2018-07-31 Apple Inc. In loop chroma deblocking filter
US10142642B2 (en) * 2014-06-04 2018-11-27 Qualcomm Incorporated Block adaptive color-space conversion coding
US20150373327A1 (en) * 2014-06-20 2015-12-24 Qualcomm Incorporated Block adaptive color-space conversion coding
US9998742B2 (en) * 2015-01-27 2018-06-12 Qualcomm Incorporated Adaptive cross component residual prediction
US20180167615A1 (en) * 2015-06-07 2018-06-14 Sharp Kabushiki Kaisha Systems and methods for optimizing video coding based on a luminance transfer function or video color component values
US10560695B2 (en) * 2015-06-26 2020-02-11 Telefonaktiebolaget Lm Ericsson (Publ) Encoding and decoding of pictures in a video
US10701361B2 (en) * 2015-11-30 2020-06-30 Telefonaktiebolaget Lm Ericsson (Publ) Encoding of pictures in a video
EP3220642B1 (en) * 2016-03-15 2018-03-07 Axis AB Method, apparatus and system for encoding a video stream by defining areas within a second image frame with image data common to a first image frame
EP3244617A1 (en) * 2016-05-13 2017-11-15 Thomson Licensing A method and device for deblocking filtering a boundary within an intra predicted block
US10200698B2 (en) * 2016-08-09 2019-02-05 Intel Corporation Determining chroma quantization parameters for video coding
JP7173961B2 (ja) * 2016-08-21 2022-11-16 エルジー エレクトロニクス インコーポレイティド 映像符号化／復号化方法及びそのための装置
US10477212B2 (en) * 2016-10-11 2019-11-12 Dolby Laboratories Licensing Corporation Adaptive chroma quantization in video coding for multiple color imaging formats
US11095896B2 (en) * 2017-10-12 2021-08-17 Qualcomm Incorporated Video coding with content adaptive spatially varying quantization
WO2019121164A1 (en) * 2017-12-18 2019-06-27 Telefonaktiebolaget Lm Ericsson (Publ) De-blocking for video coding
WO2019240493A1 (ko) * 2018-06-12 2019-12-19 한국전자통신연구원 문맥 적응적 이진 산술 부호화 방법 및 장치
KR20200000828A (ko) * 2018-06-25 2020-01-03 한국전자통신연구원 양자화 파라미터를 이용한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
CN109889853A (zh) * 2019-02-26 2019-06-14 北京大学深圳研究生院 一种去块效应滤波方法、系统、设备及计算机可读介质
US11451826B2 (en) * 2019-04-15 2022-09-20 Tencent America LLC Lossless coding mode and switchable residual coding
EP4344202A2 (en) 2019-08-23 2024-03-27 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods for performing chroma deblocking for blocks which use joint chroma coding
CN113632471B (zh) * 2019-08-23 2024-02-27 腾讯美国有限责任公司 视频编解码的方法和装置
CN114556924B (zh) * 2019-10-14 2024-01-26 字节跳动有限公司 视频处理中色度残差的联合编解码与滤波的方法、装置及介质

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US20210266552A1 (en) 2021-08-26
WO2021037004A1 (en) 2021-03-04
CN113810690A (zh) 2021-12-17
ZA202203156B (en) 2022-11-30
KR102628895B1 (ko) 2024-01-23
KR20240015149A (ko) 2024-02-02
JP2023166488A (ja) 2023-11-21
EP3868101B1 (en) 2024-04-10
AU2023216876A1 (en) 2023-09-07
JP7343596B2 (ja) 2023-09-12
CN113810690B (zh) 2022-04-29
EP3868101A1 (en) 2021-08-25
JP2022519546A (ja) 2022-03-24
US11736695B2 (en) 2023-08-22
IL290832A (en) 2022-04-01
KR20210088709A (ko) 2021-07-14
CA3152228A1 (en) 2021-03-04
US20240015290A1 (en) 2024-01-11
CA3152228C (en) 2024-05-14
CN113711603A (zh) 2021-11-26
US11317091B2 (en) 2022-04-26
AU2020335790B2 (en) 2023-05-18
BR112021010416A2 (pt) 2021-08-24
US20220191496A1 (en) 2022-06-16
AU2020335790A1 (en) 2022-03-31
EP4344202A2 (en) 2024-03-27
EP3868101A4 (en) 2021-12-15
JP7343596B6 (ja) 2024-02-26

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