EP2625859A4 - Method and apparatus of region-based adaptive loop filtering - Google Patents

Method and apparatus of region-based adaptive loop filtering

Info

Publication number: EP2625859A4
Authority: EP; European Patent Office
Prior art keywords: region; loop filtering; adaptive loop; based adaptive; filtering
Prior art date: 2010-10-05
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

German (de)

French (fr)

Other versions

EP2625859A1 (en

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.)

2010-10-05

Filing date

2011-09-30

Publication date

2016-03-02

2011-04-25 Priority claimed from US13/093,068 external-priority patent/US9094658B2/en

2011-06-12 Priority claimed from US13/158,427 external-priority patent/US9055305B2/en

2011-07-06 Priority claimed from US13/177,343 external-priority patent/US8861617B2/en

2011-09-30 Application filed by MediaTek Inc filed Critical MediaTek Inc

2013-08-14 Publication of EP2625859A1 publication Critical patent/EP2625859A1/en

2016-03-02 Publication of EP2625859A4 publication Critical patent/EP2625859A4/en

Status Withdrawn legal-status Critical Current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 Method and apparatus of region-based adaptive loop filtering Withdrawn EP2625859A4 (en)

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 (en)	2013-08-14
EP2625859A4 true EP2625859A4 (en)	2016-03-02

Family

ID=45927217

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP11830225.6A Withdrawn EP2625859A4 (en)	2010-10-05	2011-09-30	Method and apparatus of region-based adaptive loop filtering

Country Status (5)

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

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JP7454042B2 (en)	2019-10-10	2024-03-21	北京字節跳動網絡技術有限公司	Padding process at unavailable sample positions in adaptive loop filtering
CN110809158B (en) *	2019-11-12	2021-06-01	腾讯科技（深圳）有限公司	Image loop filtering processing method and device
CN111314711B (en) *	2020-03-31	2021-05-14	电子科技大学	Loop filtering method based on self-adaptive self-guided filtering
US11463691B2 (en) *	2020-06-03	2022-10-04	Tencent America LLC	Region adaptive loop filter for video coding
CN114615494A (en) *	2020-12-04	2022-06-10	咪咕文化科技有限公司	Image processing method, device and equipment
WO2022191525A1 (en) *	2021-03-08	2022-09-15	현대자동차주식회사	Video coding method and apparatus using spiral scan order
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- 2011-09-30 CA CA2805722A patent/CA2805722C/en active Active
- 2011-09-30 KR KR1020137001815A patent/KR101526349B1/en active IP Right Grant
- 2011-09-30 CN CN201710063716.XA patent/CN107087180B/en active Active
- 2011-09-30 WO PCT/CN2011/080408 patent/WO2012045269A1/en active Application Filing
- 2011-09-30 CN CN201180048246.0A patent/CN103155557B/en active Active
- 2011-09-30 CN CN201710063705.1A patent/CN106878729B/en active Active

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Also Published As

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

Legal Events

Date	Code	Title	Description
2013-07-12	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2013-08-14	17P	Request for examination filed	Effective date: 20130326
2013-08-14	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2014-01-08	DAX	Request for extension of the european patent (deleted)
2016-03-02	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20160129
2016-03-02	RIC1	Information provided on ipc code assigned before grant	Ipc: H04N 19/147 20140101ALI20160125BHEP Ipc: H04N 19/17 20140101ALI20160125BHEP Ipc: H04N 19/117 20140101ALI20160125BHEP Ipc: H04N 19/82 20140101ALI20160125BHEP Ipc: H04N 19/182 20140101ALI20160125BHEP Ipc: H04N 19/176 20140101AFI20160125BHEP Ipc: H04N 19/156 20140101ALI20160125BHEP Ipc: H04N 19/70 20140101ALI20160125BHEP Ipc: H04N 19/61 20140101ALI20160125BHEP Ipc: H04N 19/463 20140101ALI20160125BHEP
2016-11-09	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: HFI INNOVATION INC.
2017-06-14	17Q	First examination report despatched	Effective date: 20170515
2020-10-02	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2020-11-04	18D	Application deemed to be withdrawn	Effective date: 20200603

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