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MX2019003762A - Prediccion de vector de movimiento para modelos de movimiento afin en codificacion de video. - Google Patents

Prediccion de vector de movimiento para modelos de movimiento afin en codificacion de video.

Info

Publication number
MX2019003762A
MX2019003762A MX2019003762A MX2019003762A MX2019003762A MX 2019003762 A MX2019003762 A MX 2019003762A MX 2019003762 A MX2019003762 A MX 2019003762A MX 2019003762 A MX2019003762 A MX 2019003762A MX 2019003762 A MX2019003762 A MX 2019003762A
Authority
MX
Mexico
Prior art keywords
affine
motion vector
video decoder
block
control points
Prior art date
Application number
MX2019003762A
Other languages
English (en)
Inventor
Chen Jianle
Karczewicz Marta
Zhang Li
Wen Chen Yi-
Chen Sun Yu-
Jung Chien Wei-
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of MX2019003762A publication Critical patent/MX2019003762A/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
    • H04N19/517—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
    • H04N19/102—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
    • H04N19/50—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

Un decodificador de video selecciona un bloque afín fuente; el bloque afín fuente es un bloque afín codificado que es espacialmente vecino de un bloque actual; adicionalmente, el decodificador de video extrapola vectores de movimiento de puntos de control del bloque afín fuente para determinar predictores de vector de movimiento para puntos de control del bloque actual; el decodificador de video inserta, en una lista de candidatos del conjunto de predictores de vector de movimiento afín (MVP), un conjunto MVP afín que incluye los predictores de vector de movimiento para los puntos de control del bloque actual; el decodificador de video también determina, con base en un índice señalizado en una comente de bits, un conjunto MVP afín seleccionado en la lista de candidatos del conjunto MVP afín; el decodificador de video obtiene, de la comente de bits, diferencias de vector de movimiento (MVDs) que indican diferencias entre vectores de movimiento de los puntos de control del bloque actual y predictores de vector de movimiento en el conjunto MVP afín seleccionado.
MX2019003762A 2016-10-05 2017-10-05 Prediccion de vector de movimiento para modelos de movimiento afin en codificacion de video. MX2019003762A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662404719P 2016-10-05 2016-10-05
US15/725,052 US10448010B2 (en) 2016-10-05 2017-10-04 Motion vector prediction for affine motion models in video coding
PCT/US2017/055350 WO2018067823A1 (en) 2016-10-05 2017-10-05 Motion vector prediction for affine motion models in video coding

Publications (1)

Publication Number Publication Date
MX2019003762A true MX2019003762A (es) 2019-08-12

Family

ID=61757401

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2019003762A MX2019003762A (es) 2016-10-05 2017-10-05 Prediccion de vector de movimiento para modelos de movimiento afin en codificacion de video.

Country Status (17)

Country Link
US (2) US10448010B2 (es)
EP (2) EP3523972B1 (es)
JP (1) JP6817425B2 (es)
KR (1) KR102147614B1 (es)
CN (1) CN109792533B (es)
AU (1) AU2017340631B2 (es)
BR (1) BR112019006838A2 (es)
CA (1) CA3035587C (es)
ES (1) ES2841312T3 (es)
HU (1) HUE051174T2 (es)
MX (1) MX2019003762A (es)
MY (1) MY200181A (es)
PH (1) PH12019500417A1 (es)
RU (1) RU2718225C1 (es)
SG (1) SG11201901632QA (es)
TW (1) TWI696384B (es)
WO (1) WO2018067823A1 (es)

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