IN2014MN01848A - - Google Patents

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Publication number
IN2014MN01848A
IN2014MN01848A IN1848MUN2014A IN2014MN01848A IN 2014MN01848 A IN2014MN01848 A IN 2014MN01848A IN 1848MUN2014 A IN1848MUN2014 A IN 1848MUN2014A IN 2014MN01848 A IN2014MN01848 A IN 2014MN01848A
Authority
IN
India
Prior art keywords
classification
filter
disclosure
adaptive
regions
Prior art date
Application number
Other languages
English (en)
Inventor
In Suk Chong
Marta Karczewicz
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 IN2014MN01848A publication Critical patent/IN2014MN01848A/en

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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
    • H04N19/169—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
    • 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
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
IN1848MUN2014 2012-04-09 2013-04-09 IN2014MN01848A (OSRAM)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261621931P 2012-04-09 2012-04-09
US13/858,899 US9445088B2 (en) 2012-04-09 2013-04-08 LCU-based adaptive loop filtering for video coding
PCT/US2013/035802 WO2013155084A1 (en) 2012-04-09 2013-04-09 Lcu-based adaptive loop filtering for video coding

Publications (1)

Publication Number Publication Date
IN2014MN01848A true IN2014MN01848A (OSRAM) 2015-07-03

Family

ID=49292277

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1848MUN2014 IN2014MN01848A (OSRAM) 2012-04-09 2013-04-09

Country Status (6)

Country Link
US (1) US9445088B2 (OSRAM)
EP (1) EP2837179A1 (OSRAM)
JP (2) JP2015515829A (OSRAM)
CN (1) CN104396247B (OSRAM)
IN (1) IN2014MN01848A (OSRAM)
WO (1) WO2013155084A1 (OSRAM)

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EP2842322A1 (en) * 2012-04-24 2015-03-04 Telefonaktiebolaget LM Ericsson (Publ) Encoding and deriving parameters for coded multi-layer video sequences
GB2509707B (en) * 2013-01-04 2016-03-16 Canon Kk A method, device, computer program, and information storage means for encoding or decoding a video sequence
EP3138293A4 (en) 2014-04-29 2017-05-24 Microsoft Technology Licensing, LLC Encoder-side decisions for sample adaptive offset filtering
US20150365703A1 (en) * 2014-06-13 2015-12-17 Atul Puri System and method for highly content adaptive quality restoration filtering for video coding
US10057574B2 (en) * 2015-02-11 2018-08-21 Qualcomm Incorporated Coding tree unit (CTU) level adaptive loop filter (ALF)
US10701383B2 (en) 2015-06-16 2020-06-30 Lg Electronics Inc. Method for encoding/decoding image and device for same
WO2016204372A1 (ko) * 2015-06-18 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 필터 뱅크를 이용한 영상 필터링 방법 및 장치
CN105049846B (zh) * 2015-08-14 2019-05-21 广东中星微电子有限公司 图像和视频编解码的方法和设备
US10382766B2 (en) * 2016-05-09 2019-08-13 Qualcomm Incorporated Signalling of filtering information
US20180041778A1 (en) * 2016-08-02 2018-02-08 Qualcomm Incorporated Geometry transformation-based adaptive loop filtering
EP3552390A1 (en) 2016-12-23 2019-10-16 Huawei Technologies Co., Ltd. Mixed domain collaborative in-loop filter for lossy video coding
CN110199521B (zh) 2016-12-23 2022-05-31 华为技术有限公司 用于有损视频编码的低复杂度混合域协同环内滤波器
CN110115033B (zh) 2016-12-23 2020-09-08 华为技术有限公司 用于有损静止图像编码的混合域协同后滤波器
GB2584942B (en) * 2016-12-28 2021-09-29 Arris Entpr Llc Improved video bitstream coding
US10638126B2 (en) * 2017-05-05 2020-04-28 Qualcomm Incorporated Intra reference filter for video coding
CN107071496B (zh) * 2017-05-14 2020-01-17 北京工业大学 一种h.265/hevc帧间编码单元深度快速选择方法
JP7005854B2 (ja) 2017-11-07 2022-01-24 ホアウェイ・テクノロジーズ・カンパニー・リミテッド ビデオ符号化のためのインター予測装置の補間フィルタ及び方法
CN111213383B (zh) 2017-11-13 2022-04-05 华为技术有限公司 用于视频编码的环内滤波装置及方法
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
GB2582029A (en) * 2019-03-08 2020-09-09 Canon Kk 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
CN114391252B (zh) * 2019-07-08 2025-06-13 Lg电子株式会社 基于自适应环路滤波器的视频或图像编码
CN119948879A (zh) * 2022-09-16 2025-05-06 联发科技股份有限公司 用于具有视频编解码的非样本抽头的适应性环路滤波器的方法和装置

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Publication number Priority date Publication date Assignee Title
US8638852B2 (en) * 2008-01-08 2014-01-28 Qualcomm Incorporated Video coding of filter coefficients based on horizontal and vertical symmetry
KR101591825B1 (ko) * 2008-03-27 2016-02-18 엘지전자 주식회사 비디오 신호의 인코딩 또는 디코딩 방법 및 장치
US8326075B2 (en) * 2008-09-11 2012-12-04 Google Inc. System and method for video encoding using adaptive loop filter
US9143803B2 (en) * 2009-01-15 2015-09-22 Qualcomm Incorporated Filter prediction based on activity metrics in video coding
EP2262267A1 (en) * 2009-06-10 2010-12-15 Panasonic Corporation Filter coefficient coding scheme for video coding
WO2011096770A2 (ko) 2010-02-02 2011-08-11 (주)휴맥스 영상 부호화/복호화 장치 및 방법
CN102265611A (zh) * 2010-03-15 2011-11-30 联发科技（新加坡）私人有限公司 在混合视频编码中具有多个滤波器的本地环路内滤波
WO2011127961A1 (en) 2010-04-13 2011-10-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. Adaptive image filtering method and apparatus
US9094658B2 (en) * 2010-05-10 2015-07-28 Mediatek Inc. Method and apparatus of adaptive loop filtering
US20130058421A1 (en) 2010-05-17 2013-03-07 Thomson Licensing Methods and apparatus for adaptive directional filter for video restoration
US8861615B2 (en) 2010-07-21 2014-10-14 Telefonaktiebolaget L M Ericsson (Publ) Picture coding and decoding
US20120039383A1 (en) * 2010-08-12 2012-02-16 Mediatek Inc. Coding unit synchronous adaptive loop filter flags
US20120044986A1 (en) * 2010-08-17 2012-02-23 Qualcomm Incorporated Low complexity adaptive filter
US9001883B2 (en) * 2011-02-16 2015-04-07 Mediatek Inc Method and apparatus for slice common information sharing
US9872015B2 (en) * 2011-04-21 2018-01-16 Hfi Innovation Inc. Method and apparatus for improved in-loop filtering
US9747255B2 (en) 2011-05-13 2017-08-29 Texas Instruments Incorporated Inverse transformation using pruning for video coding

Also Published As

Publication number Publication date
JP2015515829A (ja) 2015-05-28
EP2837179A1 (en) 2015-02-18
WO2013155084A1 (en) 2013-10-17
CN104396247A (zh) 2015-03-04
JP2018078569A (ja) 2018-05-17
US20130266059A1 (en) 2013-10-10
CN104396247B (zh) 2017-09-08
US9445088B2 (en) 2016-09-13

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