EP3769534A4 - Method and apparatus for video coding - Google Patents

Method and apparatus for video coding Download PDF

Info

Publication number
EP3769534A4
EP3769534A4 EP20769471.2A EP20769471A EP3769534A4 EP 3769534 A4 EP3769534 A4 EP 3769534A4 EP 20769471 A EP20769471 A EP 20769471A EP 3769534 A4 EP3769534 A4 EP 3769534A4
Authority
EP
European Patent Office
Prior art keywords
video coding
coding
video
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.)
Pending
Application number
EP20769471.2A
Other languages
German (de)
French (fr)
Other versions
EP3769534A1 (en
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.)
Filing date
Publication date
Priority claimed from US16/528,148 external-priority patent/US11172236B2/en
Application filed by Tencent America LLC filed Critical Tencent America LLC
Publication of EP3769534A1 publication Critical patent/EP3769534A1/en
Publication of EP3769534A4 publication Critical patent/EP3769534A4/en
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 Method and apparatus for video coding Pending EP3769534A4 (en)

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 (en) 2021-01-27
EP3769534A4 true EP3769534A4 (en) 2021-12-15

Family

ID=72427099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20769471.2A Pending EP3769534A4 (en) 2019-03-09 2020-03-04 Method and apparatus for video coding

Country Status (8)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11722658B2 (en) * 2021-06-25 2023-08-08 Tencent America LLC Method and apparatus for video coding
KR20230175110A (en) * 2022-06-22 2023-12-29 현대자동차주식회사 Method and Apparatus for Video Coding Using Meta information

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3058739A1 (en) * 2013-10-14 2016-08-24 Microsoft Technology Licensing, LLC Features of intra block copy prediction mode for video and image coding and decoding
EP3763126A1 (en) * 2019-01-13 2021-01-13 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2015054813A1 (en) * 2013-10-14 2015-04-23 Microsoft Technology Licensing, Llc Encoder-side options for intra block copy prediction mode for video and image coding
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
CA2942336A1 (en) * 2014-03-10 2015-09-17 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
WO2015195942A1 (en) * 2014-06-19 2015-12-23 Vid Scale, Inc. Methods and systems for intra block copy coding with block vector derivation
US10327001B2 (en) * 2014-06-19 2019-06-18 Qualcomm Incorporated Systems and methods for intra-block copy
CN111147846B (en) * 2014-07-07 2022-03-11 寰发股份有限公司 Video coding method using intra block copy mode coding
CN106797471B (en) * 2014-09-03 2020-03-10 联发科技股份有限公司 Color index graph coding method for blocks in image by using palette prediction mode
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
US10582209B2 (en) * 2017-03-30 2020-03-03 Mediatek Inc. Sub-prediction unit temporal motion vector prediction (sub-PU TMVP) for video coding
US10904559B2 (en) * 2018-07-13 2021-01-26 Tencent America LLC Block vector prediction in intra block copy mode
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3058739A1 (en) * 2013-10-14 2016-08-24 Microsoft Technology Licensing, LLC Features of intra block copy prediction mode for video and image coding and decoding
EP3763126A1 (en) * 2019-01-13 2021-01-13 Tencent America LLC Method and apparatus for reference sample memory reuse for intra picture block compensation

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
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] *
XU (TENCENT) X ET AL: "CE8: CPR reference memory reuse without increasing memory requirement (CE8.1.2a and CE8.1.2d)", no. JVET-M0407, 17 January 2019 (2019-01-17), XP030202426, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/13_Marrakech/wg11/JVET-M0407-v3.zip JVET-M0407-CE8.1.2a-CE8.1.2d-v3.docx> [retrieved on 20190117] *

Also Published As

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

Similar Documents

Publication Publication Date Title
EP3942823A4 (en) Method and apparatus for video coding
EP3871411A4 (en) Method and apparatus for video coding
EP3983940A4 (en) Method and apparatus for video coding
EP3759914A4 (en) Method and apparatus for video coding
EP3759912A4 (en) Method and apparatus for video coding
EP3906688A4 (en) Method and apparatus for video coding
EP3741125A4 (en) Method and apparatus for video coding
EP3915260A4 (en) Method and apparatus for video coding
EP3895424A4 (en) Method and apparatus for video coding
EP3918802A4 (en) Method and apparatus for video coding
EP3912346A4 (en) Method and apparatus for video coding
EP3847808A4 (en) Method and apparatus for video coding
EP3874750A4 (en) Method and apparatus for video coding
EP3957066A4 (en) Method and apparatus for video coding
EP3881530A4 (en) Method and apparatus for video coding
EP3878176A4 (en) Method and apparatus for video coding
EP3949410A4 (en) Method and apparatus for video coding
EP3769532A4 (en) Method and apparatus for video coding
EP3918795A4 (en) Method and apparatus for video coding
EP3906686A4 (en) Method and apparatus for video coding
EP3970378A4 (en) Method and apparatus for video coding
EP3857892A4 (en) Method and apparatus for video coding
EP3997870A4 (en) Method and apparatus for video coding
EP3874756A4 (en) Method and apparatus for video coding
EP3939281A4 (en) Method and apparatus for video coding

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201001

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

AX Request for extension of the european patent

Extension state: BA ME

A4 Supplementary search report drawn up and despatched

Effective date: 20211117

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/55 20140101ALI20211111BHEP

Ipc: H04N 19/44 20140101ALI20211111BHEP

Ipc: H04N 19/96 20140101AFI20211111BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240430