CL2023003553A1 - Emparejamiento bilateral para el refinamiento del vector de movimiento del lado del decodificador - Google Patents

Emparejamiento bilateral para el refinamiento del vector de movimiento del lado del decodificador

Info

Publication number
CL2023003553A1
CL2023003553A1 CL2023003553A CL2023003553A CL2023003553A1 CL 2023003553 A1 CL2023003553 A1 CL 2023003553A1 CL 2023003553 A CL2023003553 A CL 2023003553A CL 2023003553 A CL2023003553 A CL 2023003553A CL 2023003553 A1 CL2023003553 A1 CL 2023003553A1
Authority
CL
Chile
Prior art keywords
motion vector
mode candidate
decoder
video data
current image
Prior art date
Application number
CL2023003553A
Other languages
English (en)
Inventor
Seregin Vadim
Karczewicz Marta
Chien Wei-Jung
Huang Han
Zhang Zhi
Chen Chun-Chi
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
Priority claimed from US17/847,942 external-priority patent/US11895302B2/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CL2023003553A1 publication Critical patent/CL2023003553A1/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/521Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/513Processing of motion vectors
    • H04N19/517Processing of motion vectors by encoding
    • H04N19/52Processing of motion vectors by encoding by predictive encoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/44Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards

Landscapes

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

Abstract

Se proporcionan sistemas y técnicas para el procesamiento de datos de video. Por ejemplo, los sistemas y técnicas pueden incluir obtener una imagen actual de datos de video y obtener imágenes de referencia para la imagen actual a partir de los datos de video. Se puede determinar un candidato de modo de fusión para la imagen actual. El primer y segundo vectores de movimiento se pueden identificar para el candidato de modo de fusión. Se puede seleccionar una estrategia de búsqueda de vectores de movimiento para el candidato de modo de fusión a partir de una pluralidad de estrategias de búsqueda de vectores de movimiento. La estrategia de búsqueda de vectores de movimiento seleccionada puede asociarse con una o más restricciones correspondientes a por lo menos uno del primer vector de movimiento o el segundo vector de movimiento. La estrategia de búsqueda de vectores de movimiento seleccionada se puede utilizar para determinar vectores de movimiento refinados con base en el primer vector de movimiento, el segundo vector de movimiento y las imágenes de referencia. El candidato de modo de fusión se puede procesar utilizando los vectores de movimiento refinados.
CL2023003553A 2021-06-29 2023-11-29 Emparejamiento bilateral para el refinamiento del vector de movimiento del lado del decodificador CL2023003553A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163216468P 2021-06-29 2021-06-29
US202163263754P 2021-11-08 2021-11-08
US17/847,942 US11895302B2 (en) 2021-06-29 2022-06-23 Adaptive bilateral matching for decoder side motion vector refinement

Publications (1)

Publication Number Publication Date
CL2023003553A1 true CL2023003553A1 (es) 2024-04-26

Family

ID=82701841

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2023003553A CL2023003553A1 (es) 2021-06-29 2023-11-29 Emparejamiento bilateral para el refinamiento del vector de movimiento del lado del decodificador

Country Status (10)

Country Link
EP (1) EP4364418A1 (es)
KR (1) KR20240026140A (es)
AU (1) AU2022303514A1 (es)
BR (1) BR112023027261A2 (es)
CA (1) CA3216820A1 (es)
CL (1) CL2023003553A1 (es)
CO (1) CO2023017540A2 (es)
IL (1) IL307644A (es)
TW (1) TW202308389A (es)
WO (1) WO2023278964A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220417521A1 (en) * 2021-06-25 2022-12-29 Qualcomm Incorporated Hybrid inter bi-prediction in video coding

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113475076B (zh) * 2019-03-11 2024-03-12 阿里巴巴集团控股有限公司 用于对视频数据进行编码的帧间预测方法

Also Published As

Publication number Publication date
IL307644A (en) 2023-12-01
WO2023278964A1 (en) 2023-01-05
EP4364418A1 (en) 2024-05-08
TW202308389A (zh) 2023-02-16
CO2023017540A2 (es) 2023-12-20
BR112023027261A2 (pt) 2024-03-12
CA3216820A1 (en) 2023-01-05
AU2022303514A1 (en) 2023-11-02
KR20240026140A (ko) 2024-02-27

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