EP2625859A4 - Verfahren und vorrichtung für adaptive schleifenfilterung auf regionsbasis - Google Patents

Verfahren und vorrichtung für adaptive schleifenfilterung auf regionsbasis

Info

Publication number
EP2625859A4
EP2625859A4 EP11830225.6A EP11830225A EP2625859A4 EP 2625859 A4 EP2625859 A4 EP 2625859A4 EP 11830225 A EP11830225 A EP 11830225A EP 2625859 A4 EP2625859 A4 EP 2625859A4
Authority
EP
European Patent Office
Prior art keywords
region
loop filtering
adaptive loop
based adaptive
filtering
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP11830225.6A
Other languages
English (en)
French (fr)
Other versions
EP2625859A1 (de
Inventor
Ching-Yeh Chen
Chih-Ming Fu
Chia-Yang Tsai
Yu-Wen Huang
Shaw-Min Lei
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HFI Innovation Inc
Original Assignee
MediaTek 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
Priority claimed from US13/093,068 external-priority patent/US9094658B2/en
Priority claimed from US13/158,427 external-priority patent/US9055305B2/en
Priority claimed from US13/177,343 external-priority patent/US8861617B2/en
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of EP2625859A1 publication Critical patent/EP2625859A1/de
Publication of EP2625859A4 publication Critical patent/EP2625859A4/de
Withdrawn legal-status Critical Current

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
    • H04N19/80—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
    • H04N19/169—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
    • H04N19/102—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
    • H04N19/146—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
    • H04N19/134—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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive 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
    • H04N19/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP11830225.6A 2010-10-05 2011-09-30 Verfahren und vorrichtung für adaptive schleifenfilterung auf regionsbasis Withdrawn EP2625859A4 (de)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US39006810P 2010-10-05 2010-10-05
US42172910P 2010-12-10 2010-12-10
US201161429313P 2011-01-03 2011-01-03
US201161454829P 2011-03-21 2011-03-21
US13/093,068 US9094658B2 (en) 2010-05-10 2011-04-25 Method and apparatus of adaptive loop filtering
US13/158,427 US9055305B2 (en) 2011-01-09 2011-06-12 Apparatus and method of sample adaptive offset for video coding
US13/177,343 US8861617B2 (en) 2010-10-05 2011-07-06 Method and apparatus of region-based adaptive loop filtering
PCT/CN2011/080408 WO2012045269A1 (en) 2010-10-05 2011-09-30 Method and apparatus of region-based adaptive loop filtering

Publications (2)

Publication Number Publication Date
EP2625859A1 EP2625859A1 (de) 2013-08-14
EP2625859A4 true EP2625859A4 (de) 2016-03-02

Family

ID=45927217

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11830225.6A Withdrawn EP2625859A4 (de) 2010-10-05 2011-09-30 Verfahren und vorrichtung für adaptive schleifenfilterung auf regionsbasis

Country Status (5)

Country Link
EP (1) EP2625859A4 (de)
KR (1) KR101526349B1 (de)
CN (3) CN107087180B (de)
CA (1) CA2805722C (de)
WO (1) WO2012045269A1 (de)

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WO2013155897A1 (en) * 2012-04-16 2013-10-24 Mediatek Inc. Method and apparatus for loop filtering across slice or tile boundaries
AU2013264361B2 (en) * 2012-05-25 2017-01-05 Sun Patent Trust Image encoding method, image encoding device, image decoding method, image decoding device, and image encoding/decoding device
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US9386307B2 (en) * 2012-06-14 2016-07-05 Qualcomm Incorporated Grouping of bypass-coded bins for SAO syntax elements
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CN104486630B (zh) * 2014-12-16 2017-10-20 北京金山云网络技术有限公司 H.265视频编码中sao模式下偏移量的统计方法
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US9872026B2 (en) * 2015-06-12 2018-01-16 Intel Corporation Sample adaptive offset coding
WO2016204374A1 (ko) * 2015-06-18 2016-12-22 엘지전자 주식회사 영상 코딩 시스템에서 영상 필터링 방법 및 장치
CN105357538B (zh) * 2015-11-26 2020-01-03 广东中星微电子有限公司 自适应环路滤波方法和装置
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
EP3981150A4 (de) 2019-07-09 2022-08-03 Beijing Bytedance Network Technology Co., Ltd. Probenbestimmung zur adaptiven schleifenfilterung
WO2021004542A1 (en) 2019-07-11 2021-01-14 Beijing Bytedance Network Technology Co., Ltd. Sample padding in adaptive loop filtering
WO2021008546A1 (en) 2019-07-15 2021-01-21 Beijing Bytedance Network Technology Co., Ltd. Accessing samples across video unit boundaries in adaptive loop filtering
EP4018652A4 (de) 2019-09-22 2022-11-02 Beijing Bytedance Network Technology Co., Ltd. Auffüllverfahren in einer adaptiven schleifenfilterung
JP7326600B2 (ja) * 2019-09-27 2023-08-15 北京字節跳動網絡技術有限公司 異なるビデオユニット間の適応ループフィルタリング
EP4029263A4 (de) 2019-10-10 2022-12-07 Beijing Bytedance Network Technology Co., Ltd. Auffüllverfahren an nicht verfügbaren abtaststellen in einer adaptiven schleifenfilterung
CN110809158B (zh) * 2019-11-12 2021-06-01 腾讯科技（深圳）有限公司 图像环路滤波处理方法、装置
CN111314711B (zh) * 2020-03-31 2021-05-14 电子科技大学 一种基于自适应自导向滤波的环路滤波方法
US11463691B2 (en) * 2020-06-03 2022-10-04 Tencent America LLC Region adaptive loop filter for video coding
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See also references of WO2012045269A1 *

Also Published As

Publication number Publication date
CN106878729B (zh) 2019-09-24
EP2625859A1 (de) 2013-08-14
CN107087180B (zh) 2019-10-29
KR101526349B1 (ko) 2015-06-05
CN103155557A (zh) 2013-06-12
KR20130030294A (ko) 2013-03-26
CN106878729A (zh) 2017-06-20
CA2805722C (en) 2016-03-29
CN107087180A (zh) 2017-08-22
CA2805722A1 (en) 2012-04-12
WO2012045269A1 (en) 2012-04-12
CN103155557B (zh) 2017-03-01

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