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 (enExample)

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 (enExample) 2015-07-03

Family

ID=49292277

Family Applications (1)

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

Country Status (6)

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

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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
CN105409221B (zh) 2014-04-29 2020-03-06 微软技术许可有限责任公司 用于样本自适应偏移滤波的编码器侧决策
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)
WO2016204524A1 (ko) * 2015-06-16 2016-12-22 엘지전자(주) 영상의 부호화/복호화 방법 및 이를 위한 장치
KR20180019547A (ko) 2015-06-18 2018-02-26 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
WO2018117896A1 (en) 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd Low complexity mixed domain collaborative in-loop filter for lossy video coding
WO2018117893A1 (en) 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd. Mixed domain collaborative post filter for lossy still image coding
WO2018117895A1 (en) 2016-12-23 2018-06-28 Huawei Technologies Co., Ltd Mixed domain collaborative in-loop filter for lossy video coding
WO2018125944A1 (en) 2016-12-28 2018-07-05 Arris Enterprises 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
EP3688987B1 (en) 2017-11-07 2025-01-08 Huawei Technologies Co., Ltd. Interpolation filter for an inter prediction apparatus and method for video coding
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
WO2019107994A1 (ko) * 2017-11-29 2019-06-06 한국전자통신연구원 루프내 필터링을 이용한 영상 부호화/복호화 방법 및 장치
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
KR102889119B1 (ko) * 2019-07-08 2025-11-19 엘지전자 주식회사 적응적 루프 필터 기반 비디오 또는 영상 코딩
EP4588245A4 (en) * 2022-09-16 2026-07-15 Mediatek Inc METHOD AND APPARATUS FOR AN ADAPTIVE LOOP FILTER WITH SAMPLE-FREE OUTLETS FOR VIDEO CODING

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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
WO2011113282A1 (en) * 2010-03-15 2011-09-22 Mediatek Singapore Pte. Ltd. Localized in-loop filtering with multiple filters in hybrid video coding
EP2559238B1 (en) 2010-04-13 2015-06-03 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
EP2596639B1 (en) 2010-07-21 2016-06-22 Telefonaktiebolaget LM 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
PL3220641T3 (pl) * 2011-04-21 2019-07-31 Hfi Innovation Inc. Sposób i urządzenie do poprawionego filtrowania w pętli
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
CN104396247A (zh) 2015-03-04
CN104396247B (zh) 2017-09-08
WO2013155084A1 (en) 2013-10-17
JP2018078569A (ja) 2018-05-17
US9445088B2 (en) 2016-09-13
US20130266059A1 (en) 2013-10-10
EP2837179A1 (en) 2015-02-18
JP2015515829A (ja) 2015-05-28

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