CO2021011792A2 - Manejo de límites para filtrado de bucle adaptativo - Google Patents

Manejo de límites para filtrado de bucle adaptativo

Info

Publication number
CO2021011792A2
CO2021011792A2 CONC2021/0011792A CO2021011792A CO2021011792A2 CO 2021011792 A2 CO2021011792 A2 CO 2021011792A2 CO 2021011792 A CO2021011792 A CO 2021011792A CO 2021011792 A2 CO2021011792 A2 CO 2021011792A2
Authority
CO
Colombia
Prior art keywords
adaptive loop
video data
reconstructed block
sample
video
Prior art date
Application number
CONC2021/0011792A
Other languages
English (en)
Spanish (es)
Inventor
Vadim Seregin
Marta Karczewicz
Nan Hu
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 CO2021011792A2 publication Critical patent/CO2021011792A2/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
    • H04N19/102—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
    • H04N19/134—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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CONC2021/0011792A 2019-03-11 2021-09-08 Manejo de límites para filtrado de bucle adaptativo CO2021011792A2 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962816728P 2019-03-11 2019-03-11
US16/814,597 US11910024B2 (en) 2019-03-11 2020-03-10 Boundary handling for adaptive loop filtering
PCT/US2020/022132 WO2020185919A1 (en) 2019-03-11 2020-03-11 Boundary handling for adaptive loop filtering

Publications (1)

Publication Number Publication Date
CO2021011792A2 true CO2021011792A2 (es) 2021-09-20

Family

ID=72423568

Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2021/0011792A CO2021011792A2 (es) 2019-03-11 2021-09-08 Manejo de límites para filtrado de bucle adaptativo

Country Status (18)

Country Link
US (1) US11910024B2 (enExample)
EP (1) EP3939321A1 (enExample)
JP (1) JP7507169B2 (enExample)
KR (1) KR20210135246A (enExample)
CN (1) CN113557743B (enExample)
AU (1) AU2020234574B2 (enExample)
BR (1) BR112021017449A2 (enExample)
CA (1) CA3131117A1 (enExample)
CL (1) CL2021002356A1 (enExample)
CO (1) CO2021011792A2 (enExample)
IL (1) IL285638B2 (enExample)
MX (1) MX2021010859A (enExample)
MY (1) MY208959A (enExample)
PH (1) PH12021551988A1 (enExample)
SA (1) SA521430180B1 (enExample)
SG (1) SG11202108952SA (enExample)
TW (1) TWI845635B (enExample)
WO (1) WO2020185919A1 (enExample)

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US11044473B2 (en) * 2018-12-21 2021-06-22 Qualcomm Incorporated Adaptive loop filtering classification in video coding
US11153598B2 (en) * 2019-06-04 2021-10-19 Tencent America LLC Method and apparatus for video coding using a subblock-based affine motion model
CN113994671B (zh) 2019-06-14 2024-05-10 北京字节跳动网络技术有限公司 基于颜色格式处理视频单元边界和虚拟边界
CN118138754A (zh) 2019-06-14 2024-06-04 北京字节跳动网络技术有限公司 处理视频单元边界和虚拟边界
CN114097225B (zh) 2019-07-09 2024-04-19 北京字节跳动网络技术有限公司 用于自适应环路滤波的样点确定
AU2020309130B2 (en) 2019-07-11 2023-06-08 Beijing Bytedance Network Technology Co., Ltd. Sample padding in adaptive loop filtering
EP3984219A4 (en) 2019-07-15 2022-08-17 Beijing Bytedance Network Technology Co., Ltd. Classification in adaptive loop filtering
WO2021052509A1 (en) 2019-09-22 2021-03-25 Beijing Bytedance Network Technology Co., Ltd. Selective application of sample padding in adaptive loop filtering
CN114450954B (zh) 2019-09-27 2024-06-25 北京字节跳动网络技术有限公司 不同视频单元之间的自适应环路滤波
WO2021068906A1 (en) 2019-10-10 2021-04-15 Beijing Bytedance Network Technology Co., Ltd. Padding process at unavailable sample locations in adaptive loop filtering
WO2021088835A1 (en) * 2019-11-04 2021-05-14 Beijing Bytedance Network Technology Co., Ltd. Cross-component adaptive loop filter
US11425405B2 (en) * 2019-11-15 2022-08-23 Qualcomm Incorporated Cross-component adaptive loop filter in video coding
CN116325734A (zh) 2020-09-23 2023-06-23 北京达佳互联信息技术有限公司 具有虚拟边界的跨分量样点自适应偏移中的色度编解码增强
CN119547433A (zh) * 2022-06-28 2025-02-28 抖音视界有限公司 视频编码编解码中用于自适应环路滤波器的填充方法
US20240348796A1 (en) * 2023-04-13 2024-10-17 Qualcomm Incorporated Coding affine motion models for video coding
US20250014226A1 (en) * 2023-07-07 2025-01-09 Sony Interactive Entertainment LLC Optimized partition selection for bc7 texture encoding
US20250119540A1 (en) * 2023-10-06 2025-04-10 Qualcomm Incorporated Applying a scaling factor to select a filter for filtering decoded video data

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US8548041B2 (en) 2008-09-25 2013-10-01 Mediatek Inc. Adaptive filter
US9525884B2 (en) 2010-11-02 2016-12-20 Hfi Innovation Inc. Method and apparatus of slice boundary filtering for high efficiency video coding
US9060174B2 (en) * 2010-12-28 2015-06-16 Fish Dive, Inc. Method and system for selectively breaking prediction in video coding
US9641866B2 (en) 2011-08-18 2017-05-02 Qualcomm Incorporated Applying partition-based filters
US20130107973A1 (en) 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries
EP2853096A4 (en) 2012-05-21 2016-07-06 Mediatek Singapore Pte Ltd METHOD AND APPARATUS FOR FILTERING BETWEEN LAYERS FOR SCALABLE VIDEO CODING
US9357211B2 (en) * 2012-12-28 2016-05-31 Qualcomm Incorporated Device and method for scalable and multiview/3D coding of video information
US10057574B2 (en) 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
KR20180014675A (ko) 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10721469B2 (en) 2017-11-28 2020-07-21 Qualcomm Incorporated Line buffer reduction for adaptive loop filtering in video coding
CN111615828B (zh) 2017-11-29 2023-01-10 韩国电子通信研究院 采用环内滤波的图像编码/解码方法和装置
US11570443B2 (en) * 2018-01-25 2023-01-31 Wilus Institute Of Standards And Technology Inc. Method and apparatus for video signal processing using sub-block based motion compensation
US11451773B2 (en) 2018-06-01 2022-09-20 Qualcomm Incorporated Block-based adaptive loop filter (ALF) design and signaling

Also Published As

Publication number Publication date
US20200296425A1 (en) 2020-09-17
MY208959A (en) 2025-06-13
CA3131117A1 (en) 2020-09-17
JP7507169B2 (ja) 2024-06-27
AU2020234574A1 (en) 2021-09-16
AU2020234574B2 (en) 2025-08-28
CL2021002356A1 (es) 2022-06-10
TWI845635B (zh) 2024-06-21
TW202042553A (zh) 2020-11-16
SA521430180B1 (ar) 2024-08-28
CN113557743A (zh) 2021-10-26
MX2021010859A (es) 2021-10-22
US11910024B2 (en) 2024-02-20
PH12021551988A1 (en) 2022-08-22
CN113557743B (zh) 2025-02-11
SG11202108952SA (en) 2021-09-29
BR112021017449A2 (pt) 2021-11-16
JP2022524055A (ja) 2022-04-27
KR20210135246A (ko) 2021-11-12
EP3939321A1 (en) 2022-01-19
IL285638B2 (en) 2024-10-01
IL285638A (en) 2021-09-30
IL285638B1 (en) 2024-06-01
WO2020185919A1 (en) 2020-09-17

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