JP7830484B2 - ビデオコーディングのためのモデルベースの動きベクトル差分導出およびテンプレート照合予測 - Google Patents

ビデオコーディングのためのモデルベースの動きベクトル差分導出およびテンプレート照合予測

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Publication number
JP7830484B2
JP7830484B2 JP2023541798A JP2023541798A JP7830484B2 JP 7830484 B2 JP7830484 B2 JP 7830484B2 JP 2023541798 A JP2023541798 A JP 2023541798A JP 2023541798 A JP2023541798 A JP 2023541798A JP 7830484 B2 JP7830484 B2 JP 7830484B2
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motion vector
current block
value
video
vector difference
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JP2024508216A5 (https=
JP2024508216A (ja
Inventor
チュン－チ・チェン
ハン・フアン
ヴァディム・セレジン
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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    • 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
    • H04N19/567—Motion estimation based on rate distortion criteria
    • 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
    • H04N19/134—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
    • H04N19/176—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
    • H04N19/169—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/523—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
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2023541798A 2021-01-29 2022-01-28 ビデオコーディングのためのモデルベースの動きベクトル差分導出およびテンプレート照合予測 Active JP7830484B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163143585P 2021-01-29 2021-01-29
US63/143,585 2021-01-29
US17/586,492 2022-01-27
US17/586,492 US12177475B2 (en) 2021-01-29 2022-01-27 Model-based motion vector difference derivation and template matching prediction for video coding
PCT/US2022/014280 WO2022165154A1 (en) 2021-01-29 2022-01-28 Model-based motion vector difference derivation and template matching prediction for video coding

Publications (3)

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JP2024508216A JP2024508216A (ja) 2024-02-26
JP2024508216A5 JP2024508216A5 (https=) 2025-01-23
JP7830484B2 true JP7830484B2 (ja) 2026-03-16

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Country Status (6)

Country Link
US (1) US20250080769A1 (https=)
EP (1) EP4285594A1 (https=)
JP (1) JP7830484B2 (https=)
KR (1) KR20230135587A (https=)
BR (1) BR112023014624A2 (https=)
WO (1) WO2022165154A1 (https=)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12022085B2 (en) * 2021-04-12 2024-06-25 Qualcomm Incorporated Template matching refinement in inter-prediction modes
US20240223776A1 (en) * 2023-01-03 2024-07-04 Alibaba (China) Co., Ltd. Intra template matching prediction mode for motion prediction
KR20240114280A (ko) * 2023-01-16 2024-07-23 주식회사 케이티 영상 부호화/복호화 방법 및 비트스트림을 저장하는 기록 매체
CN120548703A (zh) * 2023-01-20 2025-08-26 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质
WO2025198325A1 (ko) * 2024-03-19 2025-09-25 가온그룹 주식회사 개선된 인트라 예측 구조를 이용한 비디오 부호화 및 복호화를 위한 방법 및 장치
KR20250147642A (ko) * 2024-04-04 2025-10-13 한국전자통신연구원 영상 부호화/복호화를 위한 방법 및 비트스트림을 저장하는 기록 매체
CN120881282A (zh) 2024-04-29 2025-10-31 瑞昱半导体股份有限公司 用于以有限硬件资源进行图像解压缩的方法、图像处理电路及电子设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019217095A1 (en) 2018-05-07 2019-11-14 Interdigital Vc Holdings, Inc. Data dependency in encoding/decodiing
WO2020183243A1 (en) 2019-03-08 2020-09-17 Interdigital Vc Holdings France Motion vector derivation in video encoding and decoding
WO2020253858A1 (en) 2019-06-21 2020-12-24 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019217095A1 (en) 2018-05-07 2019-11-14 Interdigital Vc Holdings, Inc. Data dependency in encoding/decodiing
WO2020183243A1 (en) 2019-03-08 2020-09-17 Interdigital Vc Holdings France Motion vector derivation in video encoding and decoding
WO2020253858A1 (en) 2019-06-21 2020-12-24 Huawei Technologies Co., Ltd. An encoder, a decoder and corresponding methods

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KR20230135587A (ko) 2023-09-25
WO2022165154A1 (en) 2022-08-04
EP4285594A1 (en) 2023-12-06
BR112023014624A2 (pt) 2023-10-31
JP2024508216A (ja) 2024-02-26
US20250080769A1 (en) 2025-03-06

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