BR112021022783A2 - Simplificação de cálculo de valor de recorte para filtros de malha adaptativos - Google Patents

Simplificação de cálculo de valor de recorte para filtros de malha adaptativos

Info

Publication number
BR112021022783A2
BR112021022783A2 BR112021022783A BR112021022783A BR112021022783A2 BR 112021022783 A2 BR112021022783 A2 BR 112021022783A2 BR 112021022783 A BR112021022783 A BR 112021022783A BR 112021022783 A BR112021022783 A BR 112021022783A BR 112021022783 A2 BR112021022783 A2 BR 112021022783A2
Authority
BR
Brazil
Prior art keywords
clipping
value
adaptive mesh
integer
value calculation
Prior art date
Application number
BR112021022783A
Other languages
English (en)
Portuguese (pt)
Inventor
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 BR112021022783A2 publication Critical patent/BR112021022783A2/pt

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
    • 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
    • H04N19/186—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
    • H04N19/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
BR112021022783A 2019-05-21 2020-05-20 Simplificação de cálculo de valor de recorte para filtros de malha adaptativos BR112021022783A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962851064P 2019-05-21 2019-05-21
US16/878,436 US11356662B2 (en) 2019-05-21 2020-05-19 Simplification of clipping value calculation for adaptive loop filters
PCT/US2020/033711 WO2020236878A1 (en) 2019-05-21 2020-05-20 Simplification of clipping value calculation for adaptive loop filters

Publications (1)

Publication Number Publication Date
BR112021022783A2 true BR112021022783A2 (pt) 2022-01-11

Family

ID=73456403

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021022783A BR112021022783A2 (pt) 2019-05-21 2020-05-20 Simplificação de cálculo de valor de recorte para filtros de malha adaptativos

Country Status (8)

Country Link
US (1) US11356662B2 (https=)
EP (1) EP3973703A1 (https=)
JP (1) JP7554776B2 (https=)
KR (1) KR20220009946A (https=)
CN (2) CN113826389B (https=)
BR (1) BR112021022783A2 (https=)
SG (1) SG11202111727SA (https=)
WO (1) WO2020236878A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2580173B (en) * 2018-12-21 2022-07-27 Canon Kk A filter
WO2020182620A1 (en) * 2019-03-08 2020-09-17 Canon Kabushiki Kaisha An adaptive loop filter
CN118631990A (zh) * 2019-06-17 2024-09-10 韩国电子通信研究院 自适应环内滤波方法和设备
JP6912642B2 (ja) * 2019-06-20 2021-08-04 Kddi株式会社 画像復号装置、画像復号方法及びプログラム
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
EP4661403A3 (en) 2019-12-28 2026-03-11 Beijing Dajia Internet Information Technology Co., Ltd. In-loop filters for video coding
CN114007067B (zh) 2020-07-28 2023-05-23 北京达佳互联信息技术有限公司 对视频信号进行解码的方法、设备和介质
KR20230113998A (ko) 2022-01-24 2023-08-01 주식회사 엘지에너지솔루션 전지 모듈 및 이를 포함하는 전지 팩

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7227901B2 (en) * 2002-11-21 2007-06-05 Ub Video Inc. Low-complexity deblocking filter
WO2006018789A1 (en) * 2004-08-16 2006-02-23 Koninklijke Philips Electronics N.V. Video processor comprising a sharpness enhancer
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
EP2664139A2 (en) * 2011-01-14 2013-11-20 Telefonaktiebolaget LM Ericsson (PUBL) A method for deblocking filter control and a deblocking filtering control device
US9185404B2 (en) * 2011-10-07 2015-11-10 Qualcomm Incorporated Performing transform dependent de-blocking filtering
US9516306B2 (en) * 2013-03-27 2016-12-06 Qualcomm Incorporated Depth coding modes signaling of depth data for 3D-HEVC
WO2016146158A1 (en) * 2015-03-16 2016-09-22 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive clipping in filtering
GB2580173B (en) * 2018-12-21 2022-07-27 Canon Kk A filter

Also Published As

Publication number Publication date
EP3973703A1 (en) 2022-03-30
KR20220009946A (ko) 2022-01-25
WO2020236878A1 (en) 2020-11-26
CN113826389B (zh) 2025-01-10
JP2022534366A (ja) 2022-07-29
CN113826389A (zh) 2021-12-21
US11356662B2 (en) 2022-06-07
TW202103496A (zh) 2021-01-16
CN119893092A (zh) 2025-04-25
JP7554776B2 (ja) 2024-09-20
US20200374518A1 (en) 2020-11-26
SG11202111727SA (en) 2021-12-30

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