CO2023017540A2 - Comparación bilateral adaptativa para el refinamiento del vector de movimiento del lado del decodificador - Google Patents

Comparación bilateral adaptativa para el refinamiento del vector de movimiento del lado del decodificador

Info

Publication number
CO2023017540A2
CO2023017540A2 CONC2023/0017540A CO2023017540A CO2023017540A2 CO 2023017540 A2 CO2023017540 A2 CO 2023017540A2 CO 2023017540 A CO2023017540 A CO 2023017540A CO 2023017540 A2 CO2023017540 A2 CO 2023017540A2
Authority
CO
Colombia
Prior art keywords
motion vector
decoder
mode candidate
side motion
video data
Prior art date
Application number
CONC2023/0017540A
Other languages
English (en)
Spanish (es)
Inventor
Marta Karczewicz
Vadim Seregin
Han Huang
Wei-Jung Chien
Zhi Zhang
Chun-Chi Chen
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 CO2023017540A2 publication Critical patent/CO2023017540A2/es

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
    • H04N19/50—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)
CONC2023/0017540A 2021-06-29 2023-12-15 Comparación bilateral adaptativa para el refinamiento del vector de movimiento del lado del decodificador CO2023017540A2 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202163216468P 2021-06-29 2021-06-29
US202163263754P 2021-11-08 2021-11-08
US17/847,942 US11895302B2 (en) 2021-06-29 2022-06-23 Adaptive bilateral matching for decoder side motion vector refinement
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
CO2023017540A2 true CO2023017540A2 (es) 2023-12-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CONC2023/0017540A CO2023017540A2 (es) 2021-06-29 2023-12-15 Comparación bilateral adaptativa para el refinamiento del vector de movimiento del lado del decodificador

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
CA3216820A1 (en) 2023-01-05
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

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