EP3769534A4 - Verfahren und vorrichtung zur videocodierung - Google Patents

Verfahren und vorrichtung zur videocodierung Download PDF

Info

Publication number: EP3769534A4
Authority: EP; European Patent Office
Prior art keywords: video coding; coding; video
Prior art date: 2019-03-09
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.): Pending

Application number

EP20769471.2A

Other languages

English (en)

French (fr)

Other versions

EP3769534A1 (de

Inventor

Xiaozhong Xu

Shan Liu

Xiang Li

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.)

Tencent America LLC

Original Assignee

Tencent America LLC

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.)

2019-03-09

Filing date

2020-03-04

Publication date

2021-12-15

2019-07-31 Priority claimed from US16/528,148 external-priority patent/US11172236B2/en

2020-03-04 Application filed by Tencent America LLC filed Critical Tencent America LLC

2021-01-27 Publication of EP3769534A1 publication Critical patent/EP3769534A1/de

2021-12-15 Publication of EP3769534A4 publication Critical patent/EP3769534A4/de

Status Pending 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
- H04N19/10—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
- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- 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
- H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
- 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
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for 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
- H04N19/10—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
- H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
- H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
- 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
- H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
- 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
- H04N19/50—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
- H04N19/50—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
- H04N19/51—Motion estimation or motion compensation
- 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
- H04N19/51—Motion estimation or motion compensation
- H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
- 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
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
- H04N19/96—Tree coding, e.g. quad-tree coding

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Discrete Mathematics (AREA)
General Physics & Mathematics (AREA)
Compression Or Coding Systems Of Tv Signals (AREA)

EP20769471.2A 2019-03-09 2020-03-04 Verfahren und vorrichtung zur videocodierung Pending EP3769534A4 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US201962816125P	2019-03-09	2019-03-09
US16/528,148 US11172236B2 (en)	2018-09-21	2019-07-31	Method and apparatus for video decoding that defines a search range for a reference block indicated by a block vector
PCT/US2020/020999 WO2020185466A1 (en)	2019-03-09	2020-03-04	Method and apparatus for video coding

Publications (2)

Publication Number	Publication Date
EP3769534A1 EP3769534A1 (de)	2021-01-27
EP3769534A4 true EP3769534A4 (de)	2021-12-15

Family

ID=72427099

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20769471.2A Pending EP3769534A4 (de)	2019-03-09	2020-03-04	Verfahren und vorrichtung zur videocodierung

Country Status (8)

Country	Link
EP (1)	EP3769534A4 (de)
JP (1)	JP7267404B2 (de)
KR (1)	KR102603451B1 (de)
CN (4)	CN111989929B (de)
AU (1)	AU2020238668B2 (de)
CA (1)	CA3131692A1 (de)
SG (1)	SG11202109622QA (de)
WO (1)	WO2020185466A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN115209146B (zh) *	2021-04-13	2026-03-03	腾讯科技（深圳）有限公司	视频编解码方法、装置、计算机可读介质及电子设备
US11722658B2 (en) *	2021-06-25	2023-08-08	Tencent America LLC	Method and apparatus for video coding
KR20230175110A (ko) *	2022-06-22	2023-12-29	현대자동차주식회사	메타 정보를 이용하는 비디오 코딩방법 및 장치

Citations (3)

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EP3058739A1 (de) *	2013-10-14	2016-08-24	Microsoft Technology Licensing, LLC	Funktionen eines intrablock-kopienvorhersagemodus zur bild- und videocodierung und -decodierung
WO2020177520A1 (en) *	2019-03-04	2020-09-10	Huawei Technologies Co., Ltd.	An encoder, a decoder and corresponding methods using ibc search range optimization for abitrary ctu size
EP3763126A1 (de) *	2019-01-13	2021-01-13	Tencent America LLC	Verfahren und vorrichtung zur wiederverwendung eines referenzprobenspeichers zur intrabildblockkompensation

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US9838692B2 (en) *	2011-10-18	2017-12-05	Qualcomm Incorporated	Detecting availabilities of neighboring video units for video coding
US9503715B2 (en) *	2013-08-30	2016-11-22	Qualcomm Incorporated	Constrained intra prediction in video coding
CN105659602B (zh) *	2013-10-14	2019-10-08	微软技术许可有限责任公司	用于视频和图像编码的帧内块复制预测模式的编码器侧选项
US11284103B2 (en) *	2014-01-17	2022-03-22	Microsoft Technology Licensing, Llc	Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US9621917B2 (en) *	2014-03-10	2017-04-11	Euclid Discoveries, Llc	Continuous block tracking for temporal prediction in video encoding
US10477232B2 (en) *	2014-03-21	2019-11-12	Qualcomm Incorporated	Search region determination for intra block copy in video coding
KR102402622B1 (ko) *	2014-06-19	2022-05-27	브이아이디 스케일, 인크.	블록 벡터 도출을 이용하여 인트라 블록 복사 코딩을 위한 방법 및 시스템
US10327002B2 (en) *	2014-06-19	2019-06-18	Qualcomm Incorporated	Systems and methods for intra-block copy
EP3152906B1 (de) *	2014-07-07	2021-06-16	HFI Innovation Inc.	Verfahren für intrablockkopiesuche und kompensationsbereich
EP3180916A4 (de) *	2014-09-03	2018-02-28	MediaTek Inc.	Verfahren zur farbindexcodierung unter verwendung eines verallgemeinerten vorherigen modus
US10212445B2 (en) *	2014-10-09	2019-02-19	Qualcomm Incorporated	Intra block copy prediction restrictions for parallel processing
US9955185B2 (en) *	2015-02-12	2018-04-24	Mediatek Inc.	Method and apparatus of constrained intra block copy for coding video
US20170099490A1 (en) *	2015-10-02	2017-04-06	Qualcomm Incorporated	Constrained intra-prediction for block copy mode
US10834419B2 (en) *	2016-04-13	2020-11-10	Qualcomm Incorporated	Conformance constraint for collocated reference index in video coding
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US10904559B2 (en) *	2018-07-13	2021-01-26	Tencent America LLC	Block vector prediction in intra block copy mode

2020
- 2020-03-04 CN CN202080002122.8A patent/CN111989929B/zh active Active
- 2020-03-04 EP EP20769471.2A patent/EP3769534A4/de active Pending
- 2020-03-04 KR KR1020207028693A patent/KR102603451B1/ko active Active
- 2020-03-04 CN CN202210399292.5A patent/CN114666607B/zh active Active
- 2020-03-04 CA CA3131692A patent/CA3131692A1/en active Pending
- 2020-03-04 CN CN202210399294.4A patent/CN114666602B/zh active Active
- 2020-03-04 SG SG11202109622Q patent/SG11202109622QA/en unknown
- 2020-03-04 AU AU2020238668A patent/AU2020238668B2/en active Active
- 2020-03-04 JP JP2021512374A patent/JP7267404B2/ja active Active
- 2020-03-04 WO PCT/US2020/020999 patent/WO2020185466A1/en not_active Ceased
- 2020-03-04 CN CN202210399313.3A patent/CN114666608B/zh active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3058739A1 (de) *	2013-10-14	2016-08-24	Microsoft Technology Licensing, LLC	Funktionen eines intrablock-kopienvorhersagemodus zur bild- und videocodierung und -decodierung
EP3763126A1 (de) *	2019-01-13	2021-01-13	Tencent America LLC	Verfahren und vorrichtung zur wiederverwendung eines referenzprobenspeichers zur intrabildblockkompensation
WO2020177520A1 (en) *	2019-03-04	2020-09-10	Huawei Technologies Co., Ltd.	An encoder, a decoder and corresponding methods using ibc search range optimization for abitrary ctu size

Non-Patent Citations (5)

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Title
PHAM VAN (QUALCOMM) L ET AL: "CE8-related: Restrictions for the search area of the IBC blocks in CPR", no. JVET-L0404, 2 October 2018 (2018-10-02), XP030194329, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0404-v2.zip JVET-L0404.docx> [retrieved on 20181002] *
See also references of WO2020185466A1 *
XU (BYTEDANCE) J ET AL: "Non-CE8: Intra block copy clean-up", no. JVET-N0251, 13 March 2019 (2019-03-13), XP030202919, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0251-v1.zip JVET-N0251.docx> [retrieved on 20190313] *
XU (TENCENT) X ET AL: "AHG16/Non-CE8: IBC search range adjustment for implementation consideration", no. JVET-N0383, 21 March 2019 (2019-03-21), XP030204236, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N0383-v2.zip JVET-N0383-v1.docx> [retrieved on 20190321] *
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Also Published As

Publication number	Publication date
CN111989929B (zh)	2022-03-22
JP7267404B2 (ja)	2023-05-01
JP2021521757A (ja)	2021-08-26
CN114666608B (zh)	2024-06-21
WO2020185466A1 (en)	2020-09-17
CN114666607B (zh)	2025-02-07
CN114666602B (zh)	2024-06-14
CN111989929A (zh)	2020-11-24
CN114666607A (zh)	2022-06-24
AU2020238668A1 (en)	2021-09-30
SG11202109622QA (en)	2021-10-28
CN114666602A (zh)	2022-06-24
KR20200121369A (ko)	2020-10-23
KR102603451B1 (ko)	2023-11-20
EP3769534A1 (de)	2021-01-27
CN114666608A (zh)	2022-06-24
AU2020238668B2 (en)	2023-02-23
CA3131692A1 (en)	2020-09-17

Legal Events

Date	Code	Title	Description
2020-09-19	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-12-25	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
2020-12-25	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-01-27	17P	Request for examination filed	Effective date: 20201001
2021-01-27	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
2021-01-27	AX	Request for extension of the european patent	Extension state: BA ME
2021-12-15	A4	Supplementary search report drawn up and despatched	Effective date: 20211117
2021-12-15	RIC1	Information provided on ipc code assigned before grant	Ipc: H04N 19/55 20140101ALI20211111BHEP Ipc: H04N 19/44 20140101ALI20211111BHEP Ipc: H04N 19/96 20140101AFI20211111BHEP
2022-06-15	DAV	Request for validation of the european patent (deleted)
2022-06-15	DAX	Request for extension of the european patent (deleted)
2024-04-27	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: EXAMINATION IS IN PROGRESS
2024-05-29	17Q	First examination report despatched	Effective date: 20240430

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