MX2021009333A - Sistemas, aparatos y métodos para refinamiento de interpredicción con flujo óptico. - Google Patents

Sistemas, aparatos y métodos para refinamiento de interpredicción con flujo óptico.

Info

Publication number
MX2021009333A
MX2021009333A MX2021009333A MX2021009333A MX2021009333A MX 2021009333 A MX2021009333 A MX 2021009333A MX 2021009333 A MX2021009333 A MX 2021009333A MX 2021009333 A MX2021009333 A MX 2021009333A MX 2021009333 A MX2021009333 A MX 2021009333A
Authority
MX
Mexico
Prior art keywords
block based
systems
prediction signal
motion prediction
methods
Prior art date
Application number
MX2021009333A
Other languages
English (en)
Inventor
Jiancong Luo
Yuwen He
Original Assignee
Vid Scale 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
Application filed by Vid Scale Inc filed Critical Vid Scale Inc
Publication of MX2021009333A publication Critical patent/MX2021009333A/es

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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
    • H04N19/517—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
    • H04N19/513—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
    • H04N19/102—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/134—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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/182—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 pixel
    • 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
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/55—Motion estimation with spatial constraints, e.g. at image or region borders
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Measuring Volume Flow (AREA)

Abstract

Se describen métodos, aparatos y sistemas. En una modalidad, un método de decodificación incluye obtener una señal de predicción de movimiento basada en subbloques para un bloque actual del video; obtener uno o más gradientes espaciales de la señal de predicción de movimiento basada en subbloques o uno o más valores de diferencia de vectores de movimiento; obtener una señal de refinamiento para el bloque actual basada en el uno o más gradientes espaciales obtenidos o el uno o más valores de diferencia de vectores de movimiento obtenidos; obtener una señal de predicción de movimiento refinada para el bloque actual basándose en la señal de predicción de movimiento basada en subbloques y la señal de refinamiento; y decodificar el bloque actual basándose en la señal de predicción de movimiento refinada.
MX2021009333A 2019-02-07 2020-02-04 Sistemas, aparatos y métodos para refinamiento de interpredicción con flujo óptico. MX2021009333A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962802428P 2019-02-07 2019-02-07
US201962814611P 2019-03-06 2019-03-06
US201962833999P 2019-04-15 2019-04-15
PCT/US2020/016564 WO2020163319A1 (en) 2019-02-07 2020-02-04 Systems, apparatus and methods for inter prediction refinement with optical flow

Publications (1)

Publication Number Publication Date
MX2021009333A true MX2021009333A (es) 2021-10-13

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MX2021009333A MX2021009333A (es) 2019-02-07 2020-02-04 Sistemas, aparatos y métodos para refinamiento de interpredicción con flujo óptico.

Country Status (19)

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US (2) US11695950B2 (es)
EP (2) EP3922025B1 (es)
JP (2) JP7307184B2 (es)
KR (2) KR20230170987A (es)
CN (1) CN113383551A (es)
AU (1) AU2020219836A1 (es)
BR (1) BR112021015598A2 (es)
CA (1) CA3129080A1 (es)
DK (1) DK3922025T3 (es)
ES (1) ES2950165T3 (es)
FI (1) FI3922025T3 (es)
HU (1) HUE062450T2 (es)
IL (2) IL285212B2 (es)
MX (1) MX2021009333A (es)
PL (1) PL3922025T3 (es)
SG (1) SG11202108295YA (es)
TW (1) TWI846813B (es)
WO (1) WO2020163319A1 (es)
ZA (1) ZA202105444B (es)

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CN113574869B (zh) * 2019-03-17 2024-01-05 北京字节跳动网络技术有限公司 基于光流的预测细化
US11350108B2 (en) * 2019-03-18 2022-05-31 Tencent America LLC Affine inter prediction refinement with optical flow
US11523109B2 (en) * 2019-05-02 2022-12-06 Tencent America LLC Method and apparatus for improvements of affine prof
EP3991432A1 (en) * 2019-07-01 2022-05-04 InterDigital VC Holdings France, SAS Bi-directional optical flow refinement of affine motion compensation
JP2022547599A (ja) * 2019-09-12 2022-11-14 アリババ グループ ホウルディング リミテッド 映像符号化情報をシグナリングするための方法及び装置
US11641475B2 (en) * 2019-09-12 2023-05-02 Alibaba Group Holding Limited Method and apparatus for encoding or decoding video
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WO2022061680A1 (zh) * 2020-09-24 2022-03-31 Oppo广东移动通信有限公司 帧间预测方法、编码器、解码器以及计算机存储介质
EP4222962A4 (en) * 2020-10-15 2024-03-20 Beijing Dajia Internet Information Technology Co., Ltd. IMPROVED MOTION ESTIMATION FOR INTERCODING
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WO2024149344A1 (en) * 2023-01-13 2024-07-18 Douyin Vision Co., Ltd. Method, apparatus, and medium for video processing
WO2024211353A1 (en) * 2023-04-04 2024-10-10 Google Llc Motion refinement using bilateral matching with warped refinement models

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US9596448B2 (en) * 2013-03-18 2017-03-14 Qualcomm Incorporated Simplifications on disparity vector derivation and motion vector prediction in 3D video coding
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IL285212A (en) 2021-09-30
JP7307184B2 (ja) 2023-07-11
KR20230170987A (ko) 2023-12-19
CN113383551A (zh) 2021-09-10
KR102612975B1 (ko) 2023-12-11
AU2020219836A1 (en) 2021-08-26
ES2950165T3 (es) 2023-10-05
ZA202105444B (en) 2023-12-20
CN114666582A (zh) 2022-06-24
DK3922025T3 (da) 2023-07-24
FI3922025T3 (fi) 2023-07-07
EP3922025B1 (en) 2023-05-24
WO2020163319A1 (en) 2020-08-13
BR112021015598A2 (pt) 2021-10-05
IL285212B1 (en) 2024-02-01
CA3129080A1 (en) 2020-08-13
KR20210133956A (ko) 2021-11-08
HUE062450T2 (hu) 2023-11-28
SG11202108295YA (en) 2021-08-30
EP4221223A1 (en) 2023-08-02
IL309973A (en) 2024-03-01
US11695950B2 (en) 2023-07-04
EP3922025A1 (en) 2021-12-15
JP2022519358A (ja) 2022-03-23
TW202046736A (zh) 2020-12-16
US20220210462A1 (en) 2022-06-30
PL3922025T3 (pl) 2023-09-11
US20230291927A1 (en) 2023-09-14
TWI846813B (zh) 2024-07-01
IL285212B2 (en) 2024-06-01
JP2023130415A (ja) 2023-09-20

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