BR112023012151A2 - Correspondência de modelos na codificação de vídeo - Google Patents

Correspondência de modelos na codificação de vídeo

Info

Publication number
BR112023012151A2
BR112023012151A2 BR112023012151A BR112023012151A BR112023012151A2 BR 112023012151 A2 BR112023012151 A2 BR 112023012151A2 BR 112023012151 A BR112023012151 A BR 112023012151A BR 112023012151 A BR112023012151 A BR 112023012151A BR 112023012151 A2 BR112023012151 A2 BR 112023012151A2
Authority
BR
Brazil
Prior art keywords
step size
motion vector
search
reference block
template
Prior art date
Application number
BR112023012151A
Other languages
English (en)
Portuguese (pt)
Inventor
Chun-Chi Chen
Han Huang
Marta Karczewicz
Vadim Seregin
Zhi Zhang
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 US17/558,119 external-priority patent/US11758151B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112023012151A2 publication Critical patent/BR112023012151A2/pt

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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/50—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
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • H04N19/102—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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • 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
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/53—Multi-resolution motion estimation; Hierarchical motion estimation
    • 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)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Picture Signal Circuits (AREA)
BR112023012151A 2020-12-29 2021-12-22 Correspondência de modelos na codificação de vídeo BR112023012151A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063131676P 2020-12-29 2020-12-29
US17/558,119 US11758151B2 (en) 2020-12-29 2021-12-21 Template matching in video coding
PCT/US2021/064908 WO2022146833A1 (en) 2020-12-29 2021-12-22 Template matching in video coding

Publications (1)

Publication Number Publication Date
BR112023012151A2 true BR112023012151A2 (pt) 2023-11-28

Family

ID=79927080

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023012151A BR112023012151A2 (pt) 2020-12-29 2021-12-22 Correspondência de modelos na codificação de vídeo

Country Status (10)

Country Link
US (1) US12375688B2 (https=)
EP (1) EP4272436A1 (https=)
JP (1) JP7823047B2 (https=)
KR (1) KR20230125784A (https=)
AU (1) AU2021416082A1 (https=)
BR (1) BR112023012151A2 (https=)
CA (1) CA3198100A1 (https=)
CL (1) CL2023001900A1 (https=)
MX (1) MX2023007564A (https=)
WO (1) WO2022146833A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12167019B2 (en) * 2022-07-21 2024-12-10 Tencent America LLC Temporal motion vector predictor with displacement
US12418670B2 (en) * 2022-10-14 2025-09-16 Tencent America LLC Template-matching based merge index reordering for geometric partition mode (GPM)
WO2024182669A1 (en) * 2023-03-02 2024-09-06 Ofinno, Llc Template-based weight derivation for block prediction
WO2025075451A1 (ko) * 2023-10-05 2025-04-10 한국전자통신연구원 아틀라스 영상의 템플릿 매칭 예측 기술의 검색 장치 및 방법

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KR101782661B1 (ko) * 2010-01-19 2017-10-23 톰슨 라이센싱 비디오 인코딩 및 디코딩을 위한 템플릿 매칭 예측의 복잡도를 감소시키는 방법 및 장치
US10531116B2 (en) 2014-01-09 2020-01-07 Qualcomm Incorporated Adaptive motion vector resolution signaling for video coding
KR102319384B1 (ko) 2014-03-31 2021-10-29 인텔렉추얼디스커버리 주식회사 템플릿 매칭 기반의 화면 내 픽쳐 부호화 및 복호화 방법 및 장치
CN106331703B (zh) 2015-07-03 2020-09-08 华为技术有限公司 视频编码和解码方法、视频编码和解码装置
US10511835B2 (en) 2015-09-02 2019-12-17 Mediatek Inc. Method and apparatus of decoder side motion derivation for video coding
EP3413563B1 (en) 2016-02-03 2026-02-18 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Moving image decoding device, moving image encoding device, and prediction image generation device
US10390038B2 (en) * 2016-02-17 2019-08-20 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for encoding and decoding video pictures using a denoised reference picture
US20190082192A1 (en) * 2016-03-16 2019-03-14 Mediatek Inc. Method and apparatus of pattern-based motion vector derivation for video coding
US10979732B2 (en) 2016-10-04 2021-04-13 Qualcomm Incorporated Adaptive motion vector precision for video coding
US20190007699A1 (en) 2017-06-28 2019-01-03 Futurewei Technologies, Inc. Decoder Side Motion Vector Derivation in Video Coding
EP3451664A1 (en) 2017-09-01 2019-03-06 Thomson Licensing Motion compensation at a finer precision than motion vector differential
WO2019188942A1 (en) 2018-03-30 2019-10-03 Sharp Kabushiki Kaisha Systems and methods for performing motion compensated prediction for video coding
WO2019190224A1 (ko) 2018-03-30 2019-10-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
TWI719519B (zh) 2018-07-02 2021-02-21 大陸商北京字節跳動網絡技術有限公司 對於dmvr的塊尺寸限制
WO2020047132A1 (en) 2018-08-29 2020-03-05 Vid Scale, Inc. Adaptive motion vector precision for affine motion model based video coding
TWI815974B (zh) 2018-09-23 2023-09-21 大陸商北京字節跳動網絡技術有限公司 具有自適應運動矢量分辨率的運動矢量的修改
CN115314708B (zh) * 2019-05-15 2023-05-12 华为技术有限公司 视频码流的解码方法及对应的设备及介质
CN111050182B (zh) 2019-12-27 2022-02-18 浙江大华技术股份有限公司 运动矢量的预测方法、视频编码方法及相关设备、装置
US11758151B2 (en) 2020-12-29 2023-09-12 Qualcomm Incorporated Template matching in video coding

Also Published As

Publication number Publication date
US20230362391A1 (en) 2023-11-09
KR20230125784A (ko) 2023-08-29
EP4272436A1 (en) 2023-11-08
TW202232956A (zh) 2022-08-16
AU2021416082A1 (en) 2023-05-18
WO2022146833A1 (en) 2022-07-07
CL2023001900A1 (es) 2024-01-05
MX2023007564A (es) 2023-07-11
JP2024501137A (ja) 2024-01-11
AU2021416082A9 (en) 2024-09-05
CA3198100A1 (en) 2022-07-07
US12375688B2 (en) 2025-07-29
JP7823047B2 (ja) 2026-03-03

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