IL285638B2 - Boundary handling for adaptive loop filtering - Google Patents

Boundary handling for adaptive loop filtering

Info

Publication number
IL285638B2
IL285638B2 IL285638A IL28563821A IL285638B2 IL 285638 B2 IL285638 B2 IL 285638B2 IL 285638 A IL285638 A IL 285638A IL 28563821 A IL28563821 A IL 28563821A IL 285638 B2 IL285638 B2 IL 285638B2
Authority
IL
Israel
Prior art keywords
sample
gradient
video data
samples
boundary
Prior art date
Application number
IL285638A
Other languages
English (en)
Hebrew (he)
Other versions
IL285638A (en
IL285638B1 (en
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 IL285638A publication Critical patent/IL285638A/en
Publication of IL285638B1 publication Critical patent/IL285638B1/en
Publication of IL285638B2 publication Critical patent/IL285638B2/en

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)
IL285638A 2019-03-11 2020-03-11 Boundary handling for adaptive loop filtering IL285638B2 (en)

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 (3)

Publication Number Publication Date
IL285638A IL285638A (en) 2021-09-30
IL285638B1 IL285638B1 (en) 2024-06-01
IL285638B2 true IL285638B2 (en) 2024-10-01

Family

ID=72423568

Family Applications (1)

Application Number Title Priority Date Filing Date
IL285638A IL285638B2 (en) 2019-03-11 2020-03-11 Boundary handling for adaptive loop filtering

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)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013063455A1 (en) * 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013063455A1 (en) * 2011-10-28 2013-05-02 Qualcomm Incorporated Loop filtering control over tile boundaries

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C-M FU ET AL, CE8.C.5: NON-CROSS-SLICES SAO, 7 November 2011 (2011-11-07) *
C-Y CHEN ET AL, ADAPTIVE LOOP FILTER WITH VIRTUAL BOUNDARY PROCESSING" ,, 12 January 2019 (2019-01-12) *

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
CO2021011792A2 (es) 2021-09-20
IL285638A (en) 2021-09-30
IL285638B1 (en) 2024-06-01
WO2020185919A1 (en) 2020-09-17

Similar Documents

Publication Publication Date Title
AU2020234574B2 (en) Boundary handling for adaptive loop filtering
US11412262B2 (en) Nonlinear extensions of adaptive loop filtering for video coding
US12327384B2 (en) Multiple neural network models for filtering during video coding
US20230300328A1 (en) Adaptive loop filter with samples before deblocking filter and samples before sample adaptive offsets
WO2019200297A1 (en) Bilateral filter for predicted video data
WO2021034761A1 (en) Low-frequency non-separable transform (lfnst) signaling
US20250218052A1 (en) Multiple neural network models for filtering during video coding
AU2024307048A1 (en) Predicting chroma data using cross-component prediction for video coding
EP4078976A1 (en) Coefficient group based restriction on multiple transform selection signaling in video coding
EP4646832A1 (en) Adaptive loop filter classifiers
US20240015312A1 (en) Neural network based filtering process for multiple color components in video coding
HK40059335A (en) Boundary handling for adaptive loop filtering
WO2025221445A1 (en) Adaptive loop filter (alf) and/or cross-component alf for video coding
WO2024147884A1 (en) Adaptive loop filter classifiers
EP4552326A1 (en) Filtering in parallel with deblocking filtering in video coding
WO2025264372A1 (en) Temporal scalability for adaptive loop filter scaling factors for video coding
WO2025151506A1 (en) Coefficient coding scans and contexts for video coding
EP4555732A1 (en) Decoder side motion vector refinement for affine motion model
WO2024015514A1 (en) Decoder side motion vector refinement for affine motion model