EP3981148A4 - Sample identification for intra block copy in video coding - Google Patents

Sample identification for intra block copy in video coding Download PDF

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Publication number
EP3981148A4
EP3981148A4 EP20837885.1A EP20837885A EP3981148A4 EP 3981148 A4 EP3981148 A4 EP 3981148A4 EP 20837885 A EP20837885 A EP 20837885A EP 3981148 A4 EP3981148 A4 EP 3981148A4
Authority
EP
European Patent Office
Prior art keywords
video coding
block copy
intra block
sample identification
identification
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
EP20837885.1A
Other languages
German (de)
French (fr)
Other versions
EP3981148A1 (en
Inventor
Jizheng Xu
Li Zhang
Kai Zhang
Hongbin Liu
Yue Wang
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.)
Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
Original Assignee
Beijing ByteDance Network Technology Co Ltd
ByteDance 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 Beijing ByteDance Network Technology Co Ltd, ByteDance Inc filed Critical Beijing ByteDance Network Technology Co Ltd
Priority claimed from PCT/CN2020/100992 external-priority patent/WO2021004495A1/en
Publication of EP3981148A1 publication Critical patent/EP3981148A1/en
Publication of EP3981148A4 publication Critical patent/EP3981148A4/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
    • H04N19/169—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
    • H04N19/103—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
    • H04N19/169—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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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
    • H04N19/60—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
    • H04N19/80—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP20837885.1A 2019-07-10 2020-07-09 Sample identification for intra block copy in video coding Pending EP3981148A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2019095504 2019-07-10
CN2019095656 2019-07-11
PCT/CN2020/100992 WO2021004495A1 (en) 2019-07-10 2020-07-09 Sample identification for intra block copy in video coding

Publications (2)

Publication Number Publication Date
EP3981148A1 EP3981148A1 (en) 2022-04-13
EP3981148A4 true EP3981148A4 (en) 2022-08-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20837885.1A Pending EP3981148A4 (en) 2019-07-10 2020-07-09 Sample identification for intra block copy in video coding

Country Status (1)

Country Link
EP (1) EP3981148A4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020156549A1 (en) 2019-02-02 2020-08-06 Beijing Bytedance Network Technology Co., Ltd. Buffer access methods for intra block copy in video coding
CN117395439A (en) 2019-03-01 2024-01-12 北京字节跳动网络技术有限公司 Direction-based prediction for intra block copying in video codec
KR20210125506A (en) 2019-03-04 2021-10-18 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 Buffer management for intra-block copying in video coding

Non-Patent Citations (10)

* Cited by examiner, † Cited by third party
Title
BROSS B ET AL: "Versatile Video Coding (Draft 5)", no. JVET-N1001, 2 July 2019 (2019-07-02), pages 1 - 406, XP030220731, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/14_Geneva/wg11/JVET-N1001-v10.zip JVET-N1001-v10.docx> [retrieved on 20190702] *
GAO (HUAWEI) H ET AL: "Bitstream conformance with a virtual IBC buffer concept", no. JVET-O1171, 10 July 2019 (2019-07-10), XP030293919, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O1171-v1.zip JVET-O1171_d1.docx> [retrieved on 20190710] *
GAO (HUAWEI) H ET AL: "CE8-related: Dedicated IBC reference buffer without bitstream restrictions", no. JVET-O0248 ; m48358, 24 June 2019 (2019-06-24), XP030218955, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0248-v1.zip JVET-O0248_v1.docx> [retrieved on 20190624] *
HANNUKSELA (NOKIA) M M ET AL: "Versatile Video Coding (Draft 6)", no. JVET-O2001-vE; JVET-P1024 ; m51478, 12 July 2019 (2019-07-12), pages 1 - 454, XP030218429, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/16_Geneva/wg11/JVET-P1024-v1.zip JVET-P1024-spec.docx> *
LI (PANASONIC) J ET AL: "CE8-related: IBC modifications", no. JVET-O0127 ; m48218, 5 July 2019 (2019-07-05), XP030218695, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/15_Gothenburg/wg11/JVET-O0127-v3.zip JVET-O0127-v3/JVET-O0127-v3.docx> [retrieved on 20190705] *
See also references of WO2021004495A1 *
XU (TENCENT) X ET AL: "CE8-related: CPR mode with local search range optimization", no. JVET-L0297, 25 September 2018 (2018-09-25), XP030193828, Retrieved from the Internet <URL:http://phenix.int-evry.fr/jvet/doc_end_user/documents/12_Macao/wg11/JVET-L0297-v1.zip JVET-L0297_v1.docx> [retrieved on 20180925] *
XU J ET AL: "An implementation of JVET-O0568 based on the IBC buffer design of JVET-O0127", no. m49852, 9 July 2019 (2019-07-09), XP030208449, Retrieved from the Internet <URL:http://phenix.int-evry.fr/mpeg/doc_end_user/documents/127_Gothenburg/wg11/m49852-JVET-O1161-v1-JVET-O1161.zip JVET-O1161.docx> [retrieved on 20190709] *
XU J ET AL: "Bitstream conformance with a virtual IBC buffer concept", no. JVET-O1170, 10 July 2019 (2019-07-10), XP030293917, Retrieved from the Internet <URL:https://jvet-experts.org/doc_end_user/documents/15_Gothenburg/wg11/JVET-O1170-v1.zip JVET-O1170.docx> [retrieved on 20190710] *
XU XIAOZHONG ET AL: "Intra Block Copy in HEVC Screen Content Coding Extensions", IEEE JOURNAL ON EMERGING AND SELECTED TOPICS IN CIRCUITS AND SYSTEMS, IEEE, PISCATAWAY, NJ, USA, vol. 6, no. 4, 1 December 2016 (2016-12-01), pages 409 - 419, XP011636923, ISSN: 2156-3357, [retrieved on 20161212], DOI: 10.1109/JETCAS.2016.2597645 *

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