CN114026850A - 用于视频编解码中的帧内块复制的块矢量的有效性检查 - Google Patents

用于视频编解码中的帧内块复制的块矢量的有效性检查 Download PDF

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Publication number
CN114026850A
CN114026850A CN202080047582.2A CN202080047582A CN114026850A CN 114026850 A CN114026850 A CN 114026850A CN 202080047582 A CN202080047582 A CN 202080047582A CN 114026850 A CN114026850 A CN 114026850A
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China
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block
bvx
bvy
ctu
buffer
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CN202080047582.2A
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English (en)
Chinese (zh)
Inventor
许继征
张莉
张凯
刘鸿彬
王悦
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Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
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Beijing ByteDance Network Technology Co Ltd
ByteDance Inc
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Publication of CN114026850A publication Critical patent/CN114026850A/zh
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    • 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
    • H04N19/42—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
    • H04N19/42—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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • H04N19/433—Hardware specially adapted for motion estimation or compensation characterised by techniques for memory access
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing of motion vectors for estimating the reliability of the determined motion vectors or motion vector field, e.g. for smoothing the motion vector field or for correcting motion vectors
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202080047582.2A 2019-06-28 2020-06-28 用于视频编解码中的帧内块复制的块矢量的有效性检查 Pending CN114026850A (zh)

Applications Claiming Priority (15)

Application Number Priority Date Filing Date Title
CN2019093552 2019-06-28
CNPCT/CN2019/093552 2019-06-28
CNPCT/CN2019/094957 2019-07-06
CN2019094957 2019-07-06
CN2019095297 2019-07-09
CNPCT/CN2019/095297 2019-07-09
CN2019095504 2019-07-10
CNPCT/CN2019/095504 2019-07-10
CNPCT/CN2019/095656 2019-07-11
CN2019095656 2019-07-11
CN2019095913 2019-07-13
CNPCT/CN2019/095913 2019-07-13
CNPCT/CN2019/096048 2019-07-15
CN2019096048 2019-07-15
PCT/CN2020/098471 WO2020259677A1 (fr) 2019-06-28 2020-06-28 Vérifications de validité d'un vecteur de bloc pour copie intra-bloc dans un codage vidéo

Publications (1)

Publication Number Publication Date
CN114026850A true CN114026850A (zh) 2022-02-08

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CN202080047582.2A Pending CN114026850A (zh) 2019-06-28 2020-06-28 用于视频编解码中的帧内块复制的块矢量的有效性检查

Country Status (2)

Country Link
CN (1) CN114026850A (fr)
WO (1) WO2020259677A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113383543A (zh) 2019-02-02 2021-09-10 北京字节跳动网络技术有限公司 使用用于视频编解码中的帧内块复制的额外缓冲区样点的预测
EP3915265A4 (fr) 2019-03-01 2022-06-22 Beijing Bytedance Network Technology Co., Ltd. Prédiction sur la base d'une direction pour copie de bloc intra dans un codage vidéo
JP7284284B2 (ja) 2019-03-04 2023-05-30 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーの実装形態の態様
AU2020309663C1 (en) 2019-07-06 2023-12-14 Beijing Bytedance Network Technology Co., Ltd. Virtual prediction buffer for intra block copy in video coding
MX2022000110A (es) 2019-07-10 2022-02-10 Beijing Bytedance Network Tech Co Ltd Identificacion de muestras para la copia intra-bloque en codificacion de video.
JP2022539887A (ja) 2019-07-11 2022-09-13 北京字節跳動網絡技術有限公司 映像符号化におけるイントラブロックコピーのためのビットストリーム適合性の制約

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10904551B2 (en) * 2013-04-05 2021-01-26 Texas Instruments Incorporated Video coding using intra block copy
US10313682B2 (en) * 2013-08-26 2019-06-04 Qualcomm Incorporated Determining regions when performing intra block copying
JP6359101B2 (ja) * 2013-10-14 2018-07-18 マイクロソフト テクノロジー ライセンシング，エルエルシー ビデオ及び画像の符号化及び復号のためのイントラブロックコピー予測モードの特徴
US11109036B2 (en) * 2013-10-14 2021-08-31 Microsoft Technology Licensing, Llc Encoder-side options for intra block copy prediction mode for video and image coding

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WO2020259677A1 (fr) 2020-12-30

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