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MX2020007355A - Bipredicción compensada en movimiento basada en compensación de iluminación local. - Google Patents

Bipredicción compensada en movimiento basada en compensación de iluminación local.

Info

Publication number
MX2020007355A
MX2020007355A MX2020007355A MX2020007355A MX2020007355A MX 2020007355 A MX2020007355 A MX 2020007355A MX 2020007355 A MX2020007355 A MX 2020007355A MX 2020007355 A MX2020007355 A MX 2020007355A MX 2020007355 A MX2020007355 A MX 2020007355A
Authority
MX
Mexico
Prior art keywords
template samples
reference template
samples
current
biprediction
Prior art date
Application number
MX2020007355A
Other languages
English (en)
Inventor
Xiaoyu Xiu
Yuwen He
Yan Ye
Saurav Bandyopadhyay
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 MX2020007355A publication Critical patent/MX2020007355A/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
    • H04N19/10—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/18—Complex mathematical operations for evaluating statistical data, e.g. average values, frequency distributions, probability functions, regression analysis
    • 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
    • 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
    • H04N19/10—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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • 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
    • H04N19/503—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
    • H04N19/583—Motion compensation with overlapping blocks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Operations Research (AREA)
  • Algebra (AREA)
  • Evolutionary Biology (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

En la presente descripción se describen sistemas, métodos e instrumentos para calcular parámetros de compensación de iluminación local (LIC) para una unidad de codificación (CU) biprela. Los parámetros LIC pueden usarse para generar muestras ajustadas para la CU actual y para abordar cambios de iluminación local que pueden existir entre imágenes vecinas temporales. Los parámetros LIC pueden calcularse basándose en muestras de plantillas de referencia biprelas y muestras de plantillas para una CU actual. Las muestras de plantillas de referencia biprelas pueden generarse basándose en muestras de plantillas de referencia vecinas a las CU de referencia temporal. Por ejemplo, las muestras de plantillas de referencia biprelas pueden generarse basándose en el promedio de las muestras de plantillas de referencia. Las muestras de plantillas de referencia pueden corresponder a muestras de plantillas para la CU actual. Una CU puede ser o puede incluir un bloque y/o un subbloque de codificación que puede derivarse al dividir el bloque de codificación.
MX2020007355A 2018-01-16 2019-01-15 Bipredicción compensada en movimiento basada en compensación de iluminación local. MX2020007355A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862617964P 2018-01-16 2018-01-16
US201862647273P 2018-03-23 2018-03-23
US201862786671P 2018-12-31 2018-12-31
PCT/US2019/013623 WO2019143602A1 (en) 2018-01-16 2019-01-15 Motion compensated bi-prediction based on local illumination compensation

Publications (1)

Publication Number Publication Date
MX2020007355A true MX2020007355A (es) 2020-10-12

Family

ID=65279711

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020007355A MX2020007355A (es) 2018-01-16 2019-01-15 Bipredicción compensada en movimiento basada en compensación de iluminación local.

Country Status (7)

Country Link
US (3) US11368676B2 (es)
EP (1) EP3741115A1 (es)
JP (3) JP7125486B2 (es)
CN (2) CN118646861A (es)
MX (1) MX2020007355A (es)
TW (1) TWI785188B (es)
WO (1) WO2019143602A1 (es)

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JP2022163175A (ja) 2022-10-25
US11368676B2 (en) 2022-06-21
JP7448600B2 (ja) 2024-03-12
US20240267511A1 (en) 2024-08-08
JP2021518998A (ja) 2021-08-05
JP2024059911A (ja) 2024-05-01
CN111630855A (zh) 2020-09-04
WO2019143602A1 (en) 2019-07-25
US20220272326A1 (en) 2022-08-25
JP7125486B2 (ja) 2022-08-24
EP3741115A1 (en) 2020-11-25
US11962759B2 (en) 2024-04-16
CN111630855B (zh) 2024-06-21
JP7783321B2 (ja) 2025-12-09
CN118646861A (zh) 2024-09-13
TW201941601A (zh) 2019-10-16
TWI785188B (zh) 2022-12-01
US20200336738A1 (en) 2020-10-22
US12457326B2 (en) 2025-10-28

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