CL2021001351A1 - Simplificación de la predicción de vector de movimiento basada en historial - Google Patents

Simplificación de la predicción de vector de movimiento basada en historial

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Publication number
CL2021001351A1
CL2021001351A1 CL2021001351A CL2021001351A CL2021001351A1 CL 2021001351 A1 CL2021001351 A1 CL 2021001351A1 CL 2021001351 A CL2021001351 A CL 2021001351A CL 2021001351 A CL2021001351 A CL 2021001351A CL 2021001351 A1 CL2021001351 A1 CL 2021001351A1
Authority
CL
Chile
Prior art keywords
motion vector
hmvp
list
history table
candidate
Prior art date
Application number
CL2021001351A
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English (en)
Inventor
Marta Karczewicz
Wei-Jung Chien
Han Huang
Yu Han
Original Assignee
Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CL2021001351A1 publication Critical patent/CL2021001351A1/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
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/436—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation using parallelised computational arrangements
    • 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
    • H04N19/58—Motion compensation with long-term prediction, i.e. the reference frame for a current frame not being the temporally closest one
    • 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
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation

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

Abstract

Un método para codificar datos de video, incluyendo construir una tabla de historial de candidatos de predicción de vector de movimiento basada en historial (HMVP) que incluye información de vector de movimiento de bloques previamente codificados que se extienden más allá de los bloques vecinos adyacentes de un bloque actual, construir una lista de predictores de vector de movimiento, y agregar uno o más candidatos HMVP de la tabla de historial de candidatos HMVP a la lista de predictores de vector de movimiento; la adición de uno o más candidatos HMVP de la tabla de historial de candidatos HMVP comprende comparar un primer candidato HMVP en la tabla de historial de candidatos HMVP con dos entradas en la lista de predictores de vector de movimiento y ninguna otra entrada, y agregar el primer candidato HMVP a la lista de predictores de vector de movimiento cuando el primer candidato HMVP es diferente de las dos entradas en la lista de predictores de vector de movimiento; el método también incluye codificar el bloque actual de datos de video utilizando lista de predictores de vector de movimiento.
CL2021001351A 2018-11-27 2021-05-25 Simplificación de la predicción de vector de movimiento basada en historial CL2021001351A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862771981P 2018-11-27 2018-11-27
US16/696,008 US11184633B2 (en) 2018-11-27 2019-11-26 Simplification of history-based motion vector prediction

Publications (1)

Publication Number Publication Date
CL2021001351A1 true CL2021001351A1 (es) 2021-12-17

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CL2021001351A CL2021001351A1 (es) 2018-11-27 2021-05-25 Simplificación de la predicción de vector de movimiento basada en historial

Country Status (10)

Country Link
US (2) US11184633B2 (es)
EP (1) EP3888369A1 (es)
JP (1) JP7367018B2 (es)
KR (1) KR20210091174A (es)
CN (1) CN113170180B (es)
BR (1) BR112021009558A2 (es)
CL (1) CL2021001351A1 (es)
SG (1) SG11202103959QA (es)
TW (1) TWI846765B (es)
WO (1) WO2020113052A1 (es)

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US20220046273A1 (en) 2022-02-10
TWI846765B (zh) 2024-07-01
JP2022507682A (ja) 2022-01-18
CN113170180A (zh) 2021-07-23
US11184633B2 (en) 2021-11-23
US11616974B2 (en) 2023-03-28
BR112021009558A2 (pt) 2021-08-17
SG11202103959QA (en) 2021-06-29
KR20210091174A (ko) 2021-07-21
WO2020113052A1 (en) 2020-06-04
US20200169745A1 (en) 2020-05-28
TW202107894A (zh) 2021-02-16
EP3888369A1 (en) 2021-10-06
JP7367018B2 (ja) 2023-10-23
CN113170180B (zh) 2024-10-01

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