JP7834783B2 - デコーダ側動きベクトル精緻化のための適応バイラテラルマッチング - Google Patents

デコーダ側動きベクトル精緻化のための適応バイラテラルマッチング

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Publication number
JP7834783B2
JP7834783B2 JP2023575920A JP2023575920A JP7834783B2 JP 7834783 B2 JP7834783 B2 JP 7834783B2 JP 2023575920 A JP2023575920 A JP 2023575920A JP 2023575920 A JP2023575920 A JP 2023575920A JP 7834783 B2 JP7834783 B2 JP 7834783B2
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Prior art keywords
motion vector
refined
video
block
motion
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Japanese (ja)
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JP2024526077A5 (enExample
JP2024526077A (ja
Inventor
ハン・フアン
ヴァディム・セレジン
ウェイ－ジュン・チエン
ジ・ジャン
チュン－チ・チェン
マルタ・カルチェヴィチ
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クアルコム，インコーポレイテッド
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Priority claimed from US17/847,942 external-priority patent/US11895302B2/en
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Publication of JP2024526077A publication Critical patent/JP2024526077A/ja
Publication of JP2024526077A5 publication Critical patent/JP2024526077A5/ja
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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
    • H04N19/503—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
    • H04N19/10—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
    • H04N19/44—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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
JP2023575920A 2021-06-29 2022-06-24 デコーダ側動きベクトル精緻化のための適応バイラテラルマッチング Active JP7834783B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US202163216468P 2021-06-29 2021-06-29
US63/216,468 2021-06-29
US202163263754P 2021-11-08 2021-11-08
US63/263,754 2021-11-08
US17/847,942 US11895302B2 (en) 2021-06-29 2022-06-23 Adaptive bilateral matching for decoder side motion vector refinement
US17/847,942 2022-06-23
PCT/US2022/073155 WO2023278964A1 (en) 2021-06-29 2022-06-24 Adaptive bilateral matching for decoder side motion vector refinement

Publications (3)

Publication Number Publication Date
JP2024526077A JP2024526077A (ja) 2024-07-17
JP2024526077A5 JP2024526077A5 (enExample) 2025-06-18
JP7834783B2 true JP7834783B2 (ja) 2026-03-24

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JP2023575920A Active JP7834783B2 (ja) 2021-06-29 2022-06-24 デコーダ側動きベクトル精緻化のための適応バイラテラルマッチング

Country Status (13)

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EP (1) EP4364418A1 (enExample)
JP (1) JP7834783B2 (enExample)
KR (1) KR20240026140A (enExample)
AU (1) AU2022303514A1 (enExample)
BR (1) BR112023027261A2 (enExample)
CA (1) CA3216820A1 (enExample)
CL (1) CL2023003553A1 (enExample)
CO (1) CO2023017540A2 (enExample)
IL (1) IL307644A (enExample)
MX (1) MX2023014315A (enExample)
TW (1) TW202308389A (enExample)
WO (1) WO2023278964A1 (enExample)
ZA (1) ZA202310866B (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12047583B2 (en) 2021-06-25 2024-07-23 Qualcomm Incorporated Hybrid inter bi-prediction in video coding
EP4398568A1 (en) * 2023-01-09 2024-07-10 Beijing Xiaomi Mobile Software Co., Ltd. Encoding/decoding video picture data
CN120898423A (zh) * 2023-03-16 2025-11-04 抖音视界有限公司 区域自适应分层变换的时域和空域滤波
US12563214B2 (en) 2023-03-17 2026-02-24 Qualcomm Incorporated Cascading and parallel processing of affine DMVR video coding tools
WO2024196652A1 (en) * 2023-03-17 2024-09-26 Qualcomm Incorporated Cascading and parallel processing of affine dmvr video coding tools
US20250008082A1 (en) * 2023-06-27 2025-01-02 Qualcomm Incorporated Block vector search for intra-block copy prediction for coding video data
CN121646919A (zh) * 2023-08-03 2026-03-10 联发科技股份有限公司 用于视频编解码并基于区域的多遍次解码器端运动向量细化（dmvr）的方法和装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020053723A (ja) 2018-09-21 2020-04-02 Kddi株式会社 画像復号装置、画像符号化装置、画像処理システム及びプログラム
US20200296416A1 (en) 2019-03-11 2020-09-17 Alibaba Group Holding Limited Inter prediction methods for coding video data
WO2020221258A1 (en) 2019-04-28 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Symmetric motion vector difference coding

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020053723A (ja) 2018-09-21 2020-04-02 Kddi株式会社 画像復号装置、画像符号化装置、画像処理システム及びプログラム
US20200296416A1 (en) 2019-03-11 2020-09-17 Alibaba Group Holding Limited Inter prediction methods for coding video data
WO2020221258A1 (en) 2019-04-28 2020-11-05 Beijing Bytedance Network Technology Co., Ltd. Symmetric motion vector difference coding
JP2022531554A (ja) 2019-04-28 2022-07-07 北京字節跳動網絡技術有限公司 対称動きベクトル差分符号化

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Publication number Publication date
TW202308389A (zh) 2023-02-16
BR112023027261A2 (pt) 2024-03-12
CA3216820A1 (en) 2023-01-05
CL2023003553A1 (es) 2024-04-26
KR20240026140A (ko) 2024-02-27
MX2023014315A (es) 2024-01-25
WO2023278964A1 (en) 2023-01-05
EP4364418A1 (en) 2024-05-08
ZA202310866B (en) 2025-06-25
IL307644A (en) 2023-12-01
AU2022303514A1 (en) 2023-11-02
JP2024526077A (ja) 2024-07-17
CO2023017540A2 (es) 2023-12-20

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