BR112021023379A2 - Método para atualizar um modelo - Google Patents

Método para atualizar um modelo

Info

Publication number
BR112021023379A2
BR112021023379A2 BR112021023379A BR112021023379A BR112021023379A2 BR 112021023379 A2 BR112021023379 A2 BR 112021023379A2 BR 112021023379 A BR112021023379 A BR 112021023379A BR 112021023379 A BR112021023379 A BR 112021023379A BR 112021023379 A2 BR112021023379 A2 BR 112021023379A2
Authority
BR
Brazil
Prior art keywords
model
binary symbol
update
parameter
binary
Prior art date
Application number
BR112021023379A
Other languages
English (en)
Inventor
Yinji Piao
Zhuoyi Lv
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BR112021023379A2 publication Critical patent/BR112021023379A2/pt

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
    • H04N19/42—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
    • H04N19/423—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 characterised by memory 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
    • H04N19/10—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
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/172—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 picture, frame or field
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/70—Methods 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Feedback Control In General (AREA)

Abstract

método para atualizar um modelo. as modalidades da presente divulgação fornecem um método para atualizar um modelo, um aparelho, um dispositivo eletrônico e um meio de armazenamento legível por computador, que se refere a um campo da tecnologia de computador. o método inclui: obter um primeiro parâmetro correspondente a cada um dos modelos de símbolo binário correspondentes ao quadro atual a ser codificado, em que o primeiro parâmetro correspondente ao modelo de símbolo binário compreende: informação sobre a diferença entre pelo menos um parâmetro de velocidade de atualização de probabilidade e o parâmetro de velocidade de atualização de probabilidade básico; atualização do modelo de símbolo binário correspondente com base no primeiro parâmetro correspondente a cada um dos modelos de símbolo binário; e realização da codificação de entropia em símbolos binários correspondentes ao quadro atual usando os modelos de símbolos binários atualizados. a modalidade da presente divulgação pode economizar espaço de armazenamento ocupado por parâmetros usados para atualizar o modelo.
BR112021023379A 2019-06-11 2020-06-10 Método para atualizar um modelo BR112021023379A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201910502457 2019-06-11
CN201910730604 2019-08-08
CN201911077392 2019-11-06
CN202010152701.2A CN112073729B (zh) 2019-06-11 2020-03-06 模型更新方法、装置、电子设备及计算机可读存储介质
PCT/KR2020/007534 WO2020251261A1 (en) 2019-06-11 2020-06-10 Method for updating model, apparatus, electronic device and computer readable storage medium

Publications (1)

Publication Number Publication Date
BR112021023379A2 true BR112021023379A2 (pt) 2022-04-26

Family

ID=73657960

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021023379A BR112021023379A2 (pt) 2019-06-11 2020-06-10 Método para atualizar um modelo

Country Status (4)

Country Link
EP (1) EP3984221A4 (pt)
CN (3) CN118200586A (pt)
BR (1) BR112021023379A2 (pt)
WO (1) WO2020251261A1 (pt)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120314760A1 (en) * 2011-06-10 2012-12-13 Research In Motion Limited Method and system to reduce modelling overhead for data compression
JP5900024B2 (ja) * 2012-03-02 2016-04-06 沖電気工業株式会社 動画像符号化装置及びプログラム、動画像復号装置及びプログラム、並びに、動画像配信システム
US10097833B2 (en) * 2014-12-26 2018-10-09 Intel Corporation Method and system of entropy coding using look-up table based probability updating for video coding
US10225555B2 (en) * 2015-05-19 2019-03-05 Mediatek Inc. Method and apparatus for multi-table based context adaptive binary arithmetic coding
US10368072B2 (en) * 2015-05-29 2019-07-30 Qualcomm Incorporated Advanced arithmetic coder
EP3273692A4 (en) * 2015-06-10 2018-04-04 Samsung Electronics Co., Ltd. Method and apparatus for encoding or decoding image using syntax signaling for adaptive weight prediction
KR102646890B1 (ko) * 2015-10-13 2024-03-12 삼성전자주식회사 영상을 부호화 또는 복호화하는 방법 및 장치
US10547854B2 (en) * 2016-05-13 2020-01-28 Qualcomm Incorporated Neighbor based signaling of intra prediction modes
US10554988B2 (en) * 2017-03-22 2020-02-04 Qualcomm Incorporated Binary arithmetic coding with parameterized probability estimation finite state machines
US10560723B2 (en) * 2017-05-08 2020-02-11 Qualcomm Incorporated Context modeling for transform coefficient coding
US11039143B2 (en) * 2017-11-20 2021-06-15 Qualcomm Incorporated Memory reduction for context initialization with temporal prediction

Also Published As

Publication number Publication date
CN112073729B (zh) 2024-04-05
EP3984221A4 (en) 2023-05-03
CN112073729A (zh) 2020-12-11
CN118200586A (zh) 2024-06-14
EP3984221A1 (en) 2022-04-20
WO2020251261A1 (en) 2020-12-17
CN118200585A (zh) 2024-06-14

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]