CL2021002356A1 - Gestión de límites para filtración de bucle adaptivo - Google Patents

Gestión de límites para filtración de bucle adaptivo

Info

Publication number
CL2021002356A1
CL2021002356A1 CL2021002356A CL2021002356A CL2021002356A1 CL 2021002356 A1 CL2021002356 A1 CL 2021002356A1 CL 2021002356 A CL2021002356 A CL 2021002356A CL 2021002356 A CL2021002356 A CL 2021002356A CL 2021002356 A1 CL2021002356 A1 CL 2021002356A1
Authority
CL
Chile
Prior art keywords
adaptive loop
video data
reconstructed block
sample
video
Prior art date
Application number
CL2021002356A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Vadim Seregin
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 CL2021002356A1 publication Critical patent/CL2021002356A1/es

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
    • H04N19/102Methods 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
    • H04N19/102Methods 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
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/174Methods 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
    • 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
    • H04N19/182Methods 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CL2021002356A 2019-03-11 2021-09-09 Gestión de límites para filtración de bucle adaptivo CL2021002356A1 (es)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
CL2021002356A1 true CL2021002356A1 (es) 2022-06-10

Family

ID=72423568

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2021002356A CL2021002356A1 (es) 2019-03-11 2021-09-09 Gestión de límites para filtración de bucle adaptivo

Country Status (18)

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

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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
WO2020249124A1 (en) 2019-06-14 2020-12-17 Beijing Bytedance Network Technology Co., Ltd. Handling video unit boundaries and virtual boundaries based on color format
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
KR102669852B1 (ko) 2019-07-09 2024-05-29 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링을 위한 샘플 결정
CA3146773C (en) 2019-07-11 2025-05-06 Beijing Bytedance Network Technology Co., Ltd. SAMPLE FILLING IN AN ADAPTIVE LOOP FILTER
KR102707854B1 (ko) 2019-07-15 2024-09-23 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 적응적 루프 필터링에서의 분류
CN117278747A (zh) 2019-09-22 2023-12-22 北京字节跳动网络技术有限公司 自适应环路滤波中的填充过程
KR102721536B1 (ko) * 2019-09-27 2024-10-25 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 상이한 비디오 유닛들 간의 적응적 루프 필터링
KR102762212B1 (ko) 2019-10-10 2025-02-07 두인 비전 컴퍼니 리미티드 적응적 루프 필터링에서 이용 불가능한 샘플 위치들에서의 패딩 프로세스
CN115428449B (zh) * 2019-11-04 2024-12-31 抖音视界有限公司 处理视频数据的方法、装置及存储介质
US11425405B2 (en) * 2019-11-15 2022-08-23 Qualcomm Incorporated Cross-component adaptive loop filter in video coding
WO2022066783A1 (en) * 2020-09-23 2022-03-31 Beijing Dajia Internet Information Technology Co., Ltd. Chroma coding enhancement in cross-component sample adaptive offset with virtual boundary
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
US10136144B2 (en) 2012-05-21 2018-11-20 Mediatek Singapore Pte. Ltd. Method and apparatus of inter-layer filtering 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
KR102643115B1 (ko) 2017-11-29 2024-03-04 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
CN118042153A (zh) * 2018-01-25 2024-05-14 三星电子株式会社 使用基于子块的运动补偿进行视频信号处理的方法和装置
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
CN113557743A (zh) 2021-10-26
TW202042553A (zh) 2020-11-16
TWI845635B (zh) 2024-06-21
MY208959A (en) 2025-06-13
BR112021017449A2 (pt) 2021-11-16
IL285638B1 (en) 2024-06-01
IL285638A (en) 2021-09-30
CA3131117A1 (en) 2020-09-17
EP3939321A1 (en) 2022-01-19
KR20210135246A (ko) 2021-11-12
JP7507169B2 (ja) 2024-06-27
SA521430180B1 (ar) 2024-08-28
SG11202108952SA (en) 2021-09-29
PH12021551988A1 (en) 2022-08-22
JP2022524055A (ja) 2022-04-27
AU2020234574B2 (en) 2025-08-28
CN113557743B (zh) 2025-02-11
MX2021010859A (es) 2021-10-22
IL285638B2 (en) 2024-10-01
US11910024B2 (en) 2024-02-20
AU2020234574A1 (en) 2021-09-16
WO2020185919A1 (en) 2020-09-17
CO2021011792A2 (es) 2021-09-20
US20200296425A1 (en) 2020-09-17

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