TWI859207B - 視訊寫碼中具有適應性參數集(aps)之區塊為基礎之適應性迴路濾波器(alf) - Google Patents

視訊寫碼中具有適應性參數集(aps)之區塊為基礎之適應性迴路濾波器(alf) Download PDF

Info

Publication number
TWI859207B
TWI859207B TW109109276A TW109109276A TWI859207B TW I859207 B TWI859207 B TW I859207B TW 109109276 A TW109109276 A TW 109109276A TW 109109276 A TW109109276 A TW 109109276A TW I859207 B TWI859207 B TW I859207B
Authority
TW
Taiwan
Prior art keywords
block
blocks
image
pattern
pattern block
Prior art date
Application number
TW109109276A
Other languages
English (en)
Chinese (zh)
Other versions
TW202044831A (zh
Inventor
胡楠
法迪姆 塞瑞金
馬塔 卡茲維克茲
Original Assignee
美商高通公司
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 美商高通公司 filed Critical 美商高通公司
Publication of TW202044831A publication Critical patent/TW202044831A/zh
Application granted granted Critical
Publication of TWI859207B publication Critical patent/TWI859207B/zh

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
    • H04N19/169—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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)
TW109109276A 2019-03-26 2020-03-19 視訊寫碼中具有適應性參數集(aps)之區塊為基礎之適應性迴路濾波器(alf) TWI859207B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962824259P 2019-03-26 2019-03-26
US62/824,259 2019-03-26
US16/822,990 2020-03-18
US16/822,990 US11683487B2 (en) 2019-03-26 2020-03-18 Block-based adaptive loop filter (ALF) with adaptive parameter set (APS) in video coding

Publications (2)

Publication Number Publication Date
TW202044831A TW202044831A (zh) 2020-12-01
TWI859207B true TWI859207B (zh) 2024-10-21

Family

ID=72605357

Family Applications (1)

Application Number Title Priority Date Filing Date
TW109109276A TWI859207B (zh) 2019-03-26 2020-03-19 視訊寫碼中具有適應性參數集(aps)之區塊為基礎之適應性迴路濾波器(alf)

Country Status (11)

Country Link
US (1) US11683487B2 (https=)
EP (1) EP3949412B1 (https=)
JP (1) JP7423653B2 (https=)
KR (1) KR20210135251A (https=)
CN (1) CN113615189B (https=)
BR (1) BR112021018144A2 (https=)
ES (1) ES3053322T3 (https=)
PL (1) PL3949412T3 (https=)
SG (1) SG11202109048SA (https=)
TW (1) TWI859207B (https=)
WO (1) WO2020197937A1 (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9210426B2 (en) * 2011-06-30 2015-12-08 Mitsubishi Electric Corporation Image coding device, image decoding device, image coding method, and image decoding method
BR112021016895A2 (pt) * 2019-02-27 2021-11-03 Huawei Tech Co Ltd Codificador, decodificador e métodos correspondentes
US11546587B2 (en) * 2019-04-11 2023-01-03 Mediatek Inc. Adaptive loop filter with adaptive parameter set
TW202518896A (zh) * 2019-06-20 2025-05-01 日商索尼股份有限公司 影像處理裝置及影像處理方法
AU2020310952A1 (en) 2019-07-08 2022-01-20 Voiceage Corporation Method and system for coding metadata in audio streams and for efficient bitrate allocation to audio streams coding
WO2021191114A1 (en) * 2020-03-26 2021-09-30 Interdigital Vc Holdings France Signaling coding parameters in video coding
CN115428444B (zh) 2020-04-01 2025-01-17 抖音视界有限公司 对自适应参数集语法元素的约束
CN115606183A (zh) 2020-04-07 2023-01-13 抖音视界有限公司（Cn） 参考图片环绕的剪裁操作
EP4118825A4 (en) * 2020-04-09 2023-08-09 Beijing Bytedance Network Technology Co., Ltd. DEBLOCK SIGNALING IN VIDEO CODING
WO2021204251A1 (en) 2020-04-10 2021-10-14 Beijing Bytedance Network Technology Co., Ltd. Use of header syntax elements and adaptation parameter set
WO2021209061A1 (en) 2020-04-17 2021-10-21 Beijing Bytedance Network Technology Co., Ltd. Presence of adaptation parameter set units
KR102917555B1 (ko) 2020-04-26 2026-01-23 바이트댄스 아이엔씨 비디오 코딩 신택스 요소의 조건적 시그널링
CN113824956B (zh) * 2020-08-24 2022-12-23 杭州海康威视数字技术股份有限公司 滤波方法、装置、设备及机器可读存储介质
US11863742B2 (en) 2020-12-03 2024-01-02 Alibaba Group Holding Limited Method for using adaptive loop filter and system thereof
US11743507B2 (en) * 2020-12-16 2023-08-29 Tencent America LLC Method and apparatus for video filtering
US12439095B2 (en) * 2021-04-16 2025-10-07 Tencent America LLC Entropy coding of sign map for transform coefficients
US12309433B2 (en) * 2021-05-20 2025-05-20 Lemon Inc. On padding methods for neural network-based in-loop filter
EP4281926A4 (en) 2021-07-13 2024-07-17 Samsung Electronics Co., Ltd. SYSTEM AND METHOD FOR RENDERING DIFFERENTIAL VIDEO ON GRAPHIC DISPLAYS
US12348789B1 (en) * 2021-07-22 2025-07-01 Meta Platforms, Inc. Optimization of constrained directional enhancement filtering (CDEF)
US12160562B2 (en) * 2021-09-15 2024-12-03 Tencent America LLC On propagating intra prediction mode information of IBC block by using block vector
US11838557B2 (en) * 2021-11-17 2023-12-05 Mediatek Inc. Methods and apparatuses of ALF derivation in video encoding system
CN116456086A (zh) * 2022-01-07 2023-07-18 腾讯科技（深圳）有限公司 环路滤波方法、视频编解码方法、装置、介质及电子设备
EP4559183A1 (en) * 2022-07-20 2025-05-28 Mediatek Inc. Adaptive loop filter with adaptive filter strength
CN120380765A (zh) * 2022-12-02 2025-07-25 联发科技股份有限公司 方法和装置用于适应性环路滤波（alf）与固定滤波器用于视频编解码
CN120731601A (zh) * 2023-02-16 2025-09-30 抖音视界有限公司 视频编解码中经多个自适应环路滤波器处理的重建
WO2025149075A1 (en) * 2024-01-11 2025-07-17 Douyin Vision Co., Ltd. Line buffer for in-loop filter in video coding
US20250392710A1 (en) * 2024-06-20 2025-12-25 Qualcomm Incorporated Temporal scalability for adaptive loop filter scaling factors for video coding
WO2026016999A1 (en) * 2024-07-15 2026-01-22 Douyin Vision Co., Ltd. Parameter and control information reusing for loop-filters in video coding
WO2026080199A1 (en) * 2024-10-11 2026-04-16 Qualcomm Incorporated Adaptive loop filter joint optimization for video coding

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130101018A1 (en) * 2011-10-21 2013-04-25 Qualcomm Incorporated Adaptive loop filtering for chroma components
US20180192050A1 (en) * 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080178219A1 (en) * 2007-01-23 2008-07-24 At&T Knowledge Ventures, Lp System and method for providing video content
US9001883B2 (en) 2011-02-16 2015-04-07 Mediatek Inc Method and apparatus for slice common information sharing
CN103096047B (zh) 2011-11-01 2018-06-19 中兴通讯股份有限公司 一种分片层参数集解码及编码方法和装置
US9538200B2 (en) 2012-01-19 2017-01-03 Qualcomm Incorporated Signaling of deblocking filter parameters in video coding
TWI524739B (zh) * 2012-02-10 2016-03-01 美國博通公司 根據視頻編碼的採樣點自適應偏移（sao）
WO2013144144A1 (en) * 2012-03-30 2013-10-03 Panasonic Corporation Syntax and semantics for adaptive loop filter and sample adaptive offset
US9386307B2 (en) * 2012-06-14 2016-07-05 Qualcomm Incorporated Grouping of bypass-coded bins for SAO syntax elements
US20130343465A1 (en) 2012-06-26 2013-12-26 Qualcomm Incorporated Header parameter sets for video coding
AU2013285333A1 (en) 2012-07-02 2015-02-05 Nokia Technologies Oy Method and apparatus for video coding
US11451773B2 (en) 2018-06-01 2022-09-20 Qualcomm Incorporated Block-based adaptive loop filter (ALF) design and signaling
US11284075B2 (en) 2018-09-12 2022-03-22 Qualcomm Incorporated Prediction of adaptive loop filter parameters with reduced memory consumption for video coding
GB201902829D0 (en) * 2019-03-01 2019-04-17 Canon Kk Method and apparatus for encoding and decoding a video bitsream for merging regions of interest
WO2020182620A1 (en) * 2019-03-08 2020-09-17 Canon Kabushiki Kaisha An adaptive loop filter
US11159791B2 (en) * 2019-03-16 2021-10-26 Mediatek Inc. Method and apparatus for signaling adaptive loop filter parameters in video coding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130101018A1 (en) * 2011-10-21 2013-04-25 Qualcomm Incorporated Adaptive loop filtering for chroma components
US20180192050A1 (en) * 2017-01-04 2018-07-05 Qualcomm Incorporated Modified adaptive loop filter temporal prediction for temporal scalability support

Also Published As

Publication number Publication date
US20200314424A1 (en) 2020-10-01
EP3949412C0 (en) 2025-10-29
JP7423653B2 (ja) 2024-01-29
JP2022525470A (ja) 2022-05-16
PL3949412T3 (pl) 2026-02-09
SG11202109048SA (en) 2021-10-28
BR112021018144A2 (pt) 2021-11-16
ES3053322T3 (en) 2026-01-21
WO2020197937A1 (en) 2020-10-01
CN113615189A (zh) 2021-11-05
US11683487B2 (en) 2023-06-20
CN113615189B (zh) 2025-02-14
KR20210135251A (ko) 2021-11-12
TW202044831A (zh) 2020-12-01
EP3949412A1 (en) 2022-02-09
EP3949412B1 (en) 2025-10-29

Similar Documents

Publication Publication Date Title
TWI859207B (zh) 視訊寫碼中具有適應性參數集(aps)之區塊為基礎之適應性迴路濾波器(alf)
JP7422684B2 (ja) ブロックベースの適応ループフィルタ（ａｌｆ）の設計およびシグナリング
US11431968B2 (en) Variable number of intra modes for video coding
CN109792525B (zh) 峰值样本自适应偏移
US11051017B2 (en) Adaptive loop filter (ALF) index signaling
CN110463202A (zh) 色彩分量当中的滤波器信息共享
JP7438196B2 (ja) ビデオコーディングのためのメモリ消費を低減した適応ループフィルタパラメータの時間予測
US20190320172A1 (en) Hardware-friendly sample adaptive offset (sao) and adaptive loop filter (alf) for video coding
RU2783335C2 (ru) Устройство и сигнализация адаптивного контурного фильтра (alf) на блочной основе
HK40057732B (zh) 在视频译码中具有自适应参数集（aps）的基於块的自适应环路滤波器（alf）
HK40057732A (en) Block-based adaptive loop filter (alf) with adaptive parameter set (aps) in video coding