BR112021024316A2 - Codificação de índices de corte para filtro de malha adaptativo em codificação de vídeo - Google Patents

Codificação de índices de corte para filtro de malha adaptativo em codificação de vídeo

Info

Publication number
BR112021024316A2
BR112021024316A2 BR112021024316A BR112021024316A BR112021024316A2 BR 112021024316 A2 BR112021024316 A2 BR 112021024316A2 BR 112021024316 A BR112021024316 A BR 112021024316A BR 112021024316 A BR112021024316 A BR 112021024316A BR 112021024316 A2 BR112021024316 A2 BR 112021024316A2
Authority
BR
Brazil
Prior art keywords
encoding
mesh filter
adaptive mesh
video
alf
Prior art date
Application number
BR112021024316A
Other languages
English (en)
Portuguese (pt)
Inventor
Enes Egilmez Hilmi
Marta Karczewicz
Nan Hu
Vadim Seregin
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021024316A2 publication Critical patent/BR112021024316A2/pt

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
    • H04N19/169Methods 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
    • H04N19/10Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/46Embedding additional information in the video signal during the compression process
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90Methods 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
    • H04N19/91Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112021024316A 2019-06-11 2020-06-11 Codificação de índices de corte para filtro de malha adaptativo em codificação de vídeo BR112021024316A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962859948P 2019-06-11 2019-06-11
US16/897,049 US11418779B2 (en) 2019-06-11 2020-06-09 Clipping indices coding for adaptive loop filter in video coding
PCT/US2020/037217 WO2020252154A1 (en) 2019-06-11 2020-06-11 Clipping indices coding for adaptive loop filter in video coding

Publications (1)

Publication Number Publication Date
BR112021024316A2 true BR112021024316A2 (pt) 2022-01-11

Family

ID=73745318

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021024316A BR112021024316A2 (pt) 2019-06-11 2020-06-11 Codificação de índices de corte para filtro de malha adaptativo em codificação de vídeo

Country Status (18)

Country Link
US (1) US11418779B2 (https=)
EP (1) EP3984233B1 (https=)
JP (1) JP7494218B2 (https=)
KR (1) KR102847958B1 (https=)
CN (1) CN113940067B (https=)
AU (1) AU2020292327B2 (https=)
BR (1) BR112021024316A2 (https=)
CA (1) CA3139825A1 (https=)
CL (1) CL2021003263A1 (https=)
CO (1) CO2021016628A2 (https=)
IL (1) IL287900B2 (https=)
MX (1) MX2021015404A (https=)
MY (1) MY210456A (https=)
PH (1) PH12021552843A1 (https=)
SG (1) SG11202112340YA (https=)
TW (1) TWI879773B (https=)
WO (1) WO2020252154A1 (https=)
ZA (1) ZA202110269B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114009044A (zh) 2019-06-14 2022-02-01 瑞典爱立信有限公司 用于基于矩阵的帧内预测的简化下采样
WO2020258055A1 (zh) * 2019-06-25 2020-12-30 北京大学 环路滤波的方法与装置
CN120378608A (zh) * 2019-07-08 2025-07-25 Lg电子株式会社 解码和编码设备及发送用于图像的数据的设备
US20230050232A1 (en) * 2020-01-15 2023-02-16 Lg Electronics Inc. In-loop filtering-based image coding apparatus and method
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
WO2026007113A1 (zh) * 2024-07-05 2026-01-08 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8787449B2 (en) * 2010-04-09 2014-07-22 Sony Corporation Optimal separable adaptive loop filter
US9094658B2 (en) 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US9456111B2 (en) 2010-06-15 2016-09-27 Mediatek Inc. System and method for content adaptive clipping
US9516306B2 (en) 2013-03-27 2016-12-06 Qualcomm Incorporated Depth coding modes signaling of depth data for 3D-HEVC
US9602822B2 (en) * 2013-04-17 2017-03-21 Qualcomm Incorporated Indication of cross-layer picture type alignment in multi-layer video coding
TW201517597A (zh) 2013-07-31 2015-05-01 Nokia Corp 用於視訊編碼及解碼之方法及裝置
WO2016204524A1 (ko) * 2015-06-16 2016-12-22 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
US11405611B2 (en) * 2016-02-15 2022-08-02 Qualcomm Incorporated Predicting filter coefficients from fixed filters for video coding
CA3023986A1 (en) * 2016-05-13 2017-11-16 Interdigital Vc Holdings, Inc. Method and apparatus for video coding with adaptive clipping
US10419755B2 (en) * 2016-05-16 2019-09-17 Qualcomm Incorporated Confusion of multiple filters in adaptive loop filtering in video coding
WO2018105579A1 (ja) * 2016-12-09 2018-06-14 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法及び復号方法
US11477448B2 (en) 2019-01-25 2022-10-18 Hfi Innovation Inc. Method and apparatus for non-linear adaptive loop filtering in video coding
WO2020211769A1 (en) 2019-04-15 2020-10-22 Beijing Bytedance Network Technology Co., Ltd. Clipping parameter derivation in adaptive loop filter
WO2020224545A1 (en) 2019-05-04 2020-11-12 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods using an adaptive loop filter

Also Published As

Publication number Publication date
CL2021003263A1 (es) 2023-01-20
AU2020292327A1 (en) 2021-12-16
JP7494218B2 (ja) 2024-06-03
WO2020252154A1 (en) 2020-12-17
JP2022537662A (ja) 2022-08-29
IL287900A (en) 2022-01-01
TW202106013A (zh) 2021-02-01
ZA202110269B (en) 2025-01-29
CO2021016628A2 (es) 2022-01-17
EP3984233C0 (en) 2024-09-25
TWI879773B (zh) 2025-04-11
KR20220019236A (ko) 2022-02-16
MX2021015404A (es) 2022-01-24
IL287900B1 (en) 2024-09-01
CN113940067B (zh) 2024-09-06
SG11202112340YA (en) 2021-12-30
CN113940067A (zh) 2022-01-14
US20200396452A1 (en) 2020-12-17
EP3984233A1 (en) 2022-04-20
CA3139825A1 (en) 2020-12-17
PH12021552843A1 (en) 2022-10-17
KR102847958B1 (ko) 2025-08-19
US11418779B2 (en) 2022-08-16
EP3984233B1 (en) 2024-09-25
AU2020292327B2 (en) 2026-01-29
MY210456A (en) 2025-09-24
IL287900B2 (en) 2025-01-01

Similar Documents

Publication Publication Date Title
BR112021024316A2 (pt) Codificação de índices de corte para filtro de malha adaptativo em codificação de vídeo
BR112021026274A2 (pt) Sinalização em nível de bloco de desvios de parâmetro de quantização de croma na codificação de vídeo
EP4485929A3 (en) Chroma quantization in video coding
RU2020108486A (ru) Способ кодирования изображения и устройство обработки информации
PH12014502116A1 (en) Coded block flag coding
EP2768144A3 (en) Entropy encoding and decoding scheme
MX2016000358A (es) Prediccion por gama de colores en codificacion de video basada en gama de colores.
BR112014011065A8 (pt) número de redução de contexto para codificação aritmética binária adaptativa ao contexto
JP2015526971A5 (https=)
BR112014009416A2 (pt) desblocagem de vídeo em modo de codificação intra pcm (ipcm) e sem perda
WO2013106987A1 (en) Methods and apparatuses of bypass coding and reducing contexts for some syntax elements
BR122020015319A8 (pt) Aparelho de decodificação de dados de vídeo
UA109048C2 (en) ALIGNMENT OF CHANGE OF QUANTITATION PARAMETER FOR CODED UNITS WITH HIGH-EFFECTIVE VIDEOCODE (HEVC)
BR122020014038A8 (pt) Método de quantizar inversamente um bloco quantizado
BR112014017159A8 (pt) conjuntos de parâmetros de codificação e cabeçalhos de unidade nal para codificação de vídeo
RU2013105792A (ru) Способ кодирования движущегося изображения, способ декодирования движущегося изображения, устройство кодирования движущегося изображения, устройство декодирования движущегося изображения и устройство кодирования и декодирования движущегося изображения
MY172757A (en) Determining contexts for coding transform coefficient data in video coding
BR112015016567A2 (pt) identificação de esquemas de modulação e codificação e indicadores da qualidade do canal
MX2025009502A (es) Codificación de video o imagen basada en la señalización de salto de transformación e información relacionada con la codificación de paletas.
BR112014023466A8 (pt) derivação de contexto para codificação de última posição para codificação de vídeo
MX2022002304A (es) Codificacion de imagen o video basada en codificacion de escape de paleta.
RU2013144665A (ru) Кодер, способ кодирования данных, декодер, способ декодирования данных, система передачи данных, способ передачи данных и программный продукт
MX2025004820A (es) Metodo de decodificacion de imagenes y dispositivo para codificar informacion relacionada con desplazamiento de parametros de cuantificacion de croma
BR112023025493A2 (pt) Codificador de codificação de vídeo para máquinas (vcm) e decodificador para codificação combinada sem perdas e com perdas
MX346732B (es) Cuantificación de señales de audio adaptables por tonalidad de baja complejidad.