MX2022002790A - Seleccion de filtro de desbloqueo en codificacion de video o imagenes. - Google Patents

Seleccion de filtro de desbloqueo en codificacion de video o imagenes.

Info

Publication number
MX2022002790A
MX2022002790A MX2022002790A MX2022002790A MX2022002790A MX 2022002790 A MX2022002790 A MX 2022002790A MX 2022002790 A MX2022002790 A MX 2022002790A MX 2022002790 A MX2022002790 A MX 2022002790A MX 2022002790 A MX2022002790 A MX 2022002790A
Authority
MX
Mexico
Prior art keywords
video
image coding
deblocking filter
filter selection
gradient
Prior art date
Application number
MX2022002790A
Other languages
English (en)
Inventor
Kenneth Andersson
Jack Enhorn
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of MX2022002790A publication Critical patent/MX2022002790A/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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/80—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)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)

Abstract

La decisión de filtro largo en VVC se modifica agregando al menos una verificación de gradiente que al menos incluye la muestra p6 o q6. Esto permite evitar el uso de filtros largos cuando exista alguna estructura natural en la muestra p6 o q6. En una modalidad específica, se agregan al menos dos controles de gradiente que incluyen tanto q6 como p6. En otra modalidad, el umbral dpq se modifica de beta >> 2 a beta >> 4. Esta modalidad de cambio de umbral puede usarse junto con o en lugar de la modalidad en la que se agrega una verificación de gradiente que incluye p6 y/o q6 a la decisión de filtro largo.
MX2022002790A 2019-09-06 2020-09-04 Seleccion de filtro de desbloqueo en codificacion de video o imagenes. MX2022002790A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962897004P 2019-09-06 2019-09-06
PCT/SE2020/050835 WO2021045671A1 (en) 2019-09-06 2020-09-04 Deblocking filter selection in video or image coding

Publications (1)

Publication Number Publication Date
MX2022002790A true MX2022002790A (es) 2022-04-06

Family

ID=74852070

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022002790A MX2022002790A (es) 2019-09-06 2020-09-04 Seleccion de filtro de desbloqueo en codificacion de video o imagenes.

Country Status (12)

Country Link
US (2) US11533481B2 (es)
EP (1) EP4026324A4 (es)
JP (1) JP7387878B2 (es)
KR (1) KR20220046689A (es)
CN (1) CN114342380B (es)
AU (1) AU2020341422B2 (es)
BR (1) BR112022004056A2 (es)
CA (1) CA3150263A1 (es)
CO (1) CO2022003876A2 (es)
MX (1) MX2022002790A (es)
WO (1) WO2021045671A1 (es)
ZA (1) ZA202202419B (es)

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101616330B (zh) * 2003-07-16 2012-07-04 三星电子株式会社 用于色彩图像的视频编码/解码装置和方法
US20070223591A1 (en) * 2006-03-22 2007-09-27 Metta Technology, Inc. Frame Deblocking in Video Processing Systems
JP4834446B2 (ja) * 2006-04-11 2011-12-14 株式会社東芝 画像処理装置
EP2664149B1 (en) * 2011-01-14 2016-11-16 Telefonaktiebolaget LM Ericsson (publ) Deblocking filtering
AR092786A1 (es) * 2012-01-09 2015-05-06 Jang Min Metodos para eliminar artefactos de bloque
US9906790B2 (en) * 2014-03-14 2018-02-27 Qualcomm Incorporated Deblock filtering using pixel distance
US10645408B2 (en) * 2017-09-17 2020-05-05 Google Llc Dual deblocking filter thresholds
CN111213378B (zh) * 2017-10-09 2022-05-03 佳能株式会社 用于对像素块进行去块滤波的方法和装置
MX2020006500A (es) * 2017-12-29 2020-09-17 Ericsson Telefon Ab L M Metodos que proporcionan codificacion y/o decodificacion de video usando valores de referencia y dispositivos relacionados.
US20210352291A1 (en) * 2018-01-10 2021-11-11 Telefonaktiebolaget Lm Ericsson (Publ) Determining filter length for deblocking during encoding and/or decoding of video
US10972729B2 (en) * 2018-01-20 2021-04-06 Qualcomm Incorporated Deblocking filter selection and application in video coding
US11153607B2 (en) * 2018-01-29 2021-10-19 Mediatek Inc. Length-adaptive deblocking filtering in video coding
EP3777145A1 (en) * 2018-03-28 2021-02-17 Huawei Technologies Co., Ltd. An image processing device and method for performing efficient deblocking
RU2768016C1 (ru) * 2018-03-30 2022-03-23 Шарп Кабусики Кайся Системы и способы применения фильтров деблокирования к восстановленным видеоданным
WO2020096510A1 (en) * 2018-11-08 2020-05-14 Telefonaktiebolaget Lm Ericsson (Publ) Asymmetric deblocking in a video encoder and/or video decoder
CA3119935A1 (en) * 2018-11-14 2020-05-22 Sharp Kabushiki Kaisha Systems and methods for applying deblocking filters to reconstructed video data
WO2020171760A1 (en) * 2019-02-19 2020-08-27 Telefonaktiebolaget Lm Ericsson (Publ) Deblocking on 4x4 grid using long filters
CN113545041A (zh) 2019-03-07 2021-10-22 数字洞察力有限公司 图像编码/解码方法和设备

Also Published As

Publication number Publication date
EP4026324A1 (en) 2022-07-13
US20230199180A1 (en) 2023-06-22
KR20220046689A (ko) 2022-04-14
AU2020341422A1 (en) 2022-03-31
US12003716B2 (en) 2024-06-04
JP7387878B2 (ja) 2023-11-28
ZA202202419B (en) 2024-07-31
JP2022547459A (ja) 2022-11-14
AU2020341422B2 (en) 2024-02-29
CO2022003876A2 (es) 2022-05-31
CN114342380A (zh) 2022-04-12
US20220191488A1 (en) 2022-06-16
CN114342380B (zh) 2024-09-13
CA3150263A1 (en) 2021-03-11
EP4026324A4 (en) 2023-02-22
WO2021045671A1 (en) 2021-03-11
US11533481B2 (en) 2022-12-20
BR112022004056A2 (pt) 2022-05-24

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