CA3216820A1 - Adaptive bilateral matching for decoder side motion vector refinement - Google Patents

Adaptive bilateral matching for decoder side motion vector refinement Download PDF

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Publication number
CA3216820A1
CA3216820A1 CA3216820A CA3216820A CA3216820A1 CA 3216820 A1 CA3216820 A1 CA 3216820A1 CA 3216820 A CA3216820 A CA 3216820A CA 3216820 A CA3216820 A CA 3216820A CA 3216820 A1 CA3216820 A1 CA 3216820A1
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CA
Canada
Prior art keywords
motion vector
block
refined
difference
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
CA3216820A
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English (en)
French (fr)
Inventor
Han HUANG
Vadim Seregin
Wei-Jung Chien
Zhi Zhang
Chun-Chi Chen
Marta Karczewicz
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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
Priority claimed from US17/847,942 external-priority patent/US11895302B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3216820A1 publication Critical patent/CA3216820A1/en
Pending legal-status Critical Current

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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
    • H04N19/50—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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/577—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)
CA3216820A 2021-06-29 2022-06-24 Adaptive bilateral matching for decoder side motion vector refinement Pending CA3216820A1 (en)

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 (1)

Publication Number Publication Date
CA3216820A1 true CA3216820A1 (en) 2023-01-05

Family

ID=82701841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3216820A Pending CA3216820A1 (en) 2021-06-29 2022-06-24 Adaptive bilateral matching for decoder side motion vector refinement

Country Status (13)

Country Link
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

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6976916B2 (ja) 2018-09-21 2021-12-08 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
CN113475076B (zh) * 2019-03-11 2024-03-12 阿里巴巴集团控股有限公司 用于对视频数据进行编码的帧间预测方法
KR102662874B1 (ko) 2019-04-28 2024-05-07 베이징 바이트댄스 네트워크 테크놀로지 컴퍼니, 리미티드 대칭 모션 벡터 차이 코딩

Also Published As

Publication number Publication date
TW202308389A (zh) 2023-02-16
BR112023027261A2 (pt) 2024-03-12
CL2023003553A1 (es) 2024-04-26
KR20240026140A (ko) 2024-02-27
JP7834783B2 (ja) 2026-03-24
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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