BR112014010885A2 - método e dispositivo para otimizar a codificação/decodificação de deslocamentos de compensação para um conjunto de amostras reconstruídas de uma imagem - Google Patents

método e dispositivo para otimizar a codificação/decodificação de deslocamentos de compensação para um conjunto de amostras reconstruídas de uma imagem

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Publication number
BR112014010885A2
BR112014010885A2 BR112014010885A BR112014010885A BR112014010885A2 BR 112014010885 A2 BR112014010885 A2 BR 112014010885A2 BR 112014010885 A BR112014010885 A BR 112014010885A BR 112014010885 A BR112014010885 A BR 112014010885A BR 112014010885 A2 BR112014010885 A2 BR 112014010885A2
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BR
Brazil
Prior art keywords
image
reconstructed samples
decoding
encoding
offset offsets
Prior art date
Application number
BR112014010885A
Other languages
English (en)
Other versions
BR112014010885B1 (pt
Inventor
Gisquet Christophe
Francois Edouard
Laroche Guillaume
Onno Patrice
Original Assignee
Canon Kk
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 Canon Kk filed Critical Canon Kk
Priority to BR122019026456-2A priority Critical patent/BR122019026456B1/pt
Publication of BR112014010885A2 publication Critical patent/BR112014010885A2/pt
Publication of BR112014010885B1 publication Critical patent/BR112014010885B1/pt

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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/102—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
    • H04N19/134—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/182—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 pixel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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    • 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
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    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • H04N19/895—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder in combination with error concealment

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Image Processing (AREA)

Abstract

1//1 resumo “método e dispositivo para otimizar a codificação/decodificação de deslocamentos de compensação para um conjunto de amostras reconstruídas de uma imagem” a presente invenção fornece um método e um dispositivo para codificar e decodificar ao menos uma parte de uma imagem compreendendo uma pluralidade de amostras, cada amostra compreende ao menos dois componentes, e a imagem codificada compreende ao menos um parâmetro de filtragem. a filtragem compreende usar ao menos um parâmetro de filtragem como um parâmetro de filtragem comum para filtrar tanto o primeiro componente quanto o segundo componente de uma amostra construída.
BR112014010885-4A 2011-11-07 2012-11-07 Método e dispositivo para otimizar a codificação/decodificação de deslocamentos de compensação para um conjunto de amostras reconstruídas de uma imagem e meio de armazenamento legível por computador para implementação de tal método BR112014010885B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122019026456-2A BR122019026456B1 (pt) 2011-11-07 2012-11-07 Método para codificar parâmetros relacionados a um processo de filtragem para filtragem por deslocamento adaptativo de amostra

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB1119206.9A GB201119206D0 (en) 2011-11-07 2011-11-07 Method and device for providing compensation offsets for a set of reconstructed samples of an image
GB1119206.9 2011-11-07
GB1203285.0A GB2499983A (en) 2011-11-07 2012-02-24 Providing compensation offsets for a set of reconstructed samples of an image
GB1203285.0 2012-02-24
GB1205304.7 2012-03-26
GB1205304.7A GB2496220A (en) 2011-11-07 2012-03-26 Optimising Encoding/Decoding/Computation of Filtering Parameters (e.g. Compensation Offsets) for a Set of Reconstructed Samples of an Image
PCT/EP2012/072071 WO2013068428A2 (en) 2011-11-07 2012-11-07 Method and device for optimizing encoding/decoding of compensation offsets for a set of reconstructed samples of an image

Publications (2)

Publication Number Publication Date
BR112014010885A2 true BR112014010885A2 (pt) 2017-04-18
BR112014010885B1 BR112014010885B1 (pt) 2022-05-17

Family

ID=45421397

Family Applications (10)

Application Number Title Priority Date Filing Date
BR122019026456-2A BR122019026456B1 (pt) 2011-11-07 2012-11-07 Método para codificar parâmetros relacionados a um processo de filtragem para filtragem por deslocamento adaptativo de amostra
BR112014010885-4A BR112014010885B1 (pt) 2011-11-07 2012-11-07 Método e dispositivo para otimizar a codificação/decodificação de deslocamentos de compensação para um conjunto de amostras reconstruídas de uma imagem e meio de armazenamento legível por computador para implementação de tal método
BR122019028115-7A BR122019028115B1 (pt) 2011-11-07 2012-11-07 Método para decodificar uma imagem composta de uma pluralidade de amostras
BR122019026459-7A BR122019026459B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem codificada compreendendo uma pluralidade de amostras
BR112014010882-0A BR112014010882B1 (pt) 2011-11-07 2012-11-07 Método e dispositivo para decodificar uma imagem, sinal, dispositivo e meio de armazenamento
BR122019028117-3A BR122019028117B1 (pt) 2011-11-07 2012-11-07 Método de codificação de informação para aplicar deslocamentos adaptativos de amostra a uma imagem
BR122019026461-9A BR122019026461B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem compreendendo uma pluralidade de amostras
BR122019026460-0A BR122019026460B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem compreendendo uma pluralidade de amostras
BR122019028116-5A BR122019028116B1 (pt) 2011-11-07 2012-11-07 Método para aplicar deslocamentos adaptativos de amostra a uma imagem
BR122019028118-1A BR122019028118B1 (pt) 2011-11-07 2012-11-07 Método para codificação de informação para executar um processo de deslocamento adaptativo de amostra em dados de imagem constituídos de uma pluralidade de amostras

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR122019026456-2A BR122019026456B1 (pt) 2011-11-07 2012-11-07 Método para codificar parâmetros relacionados a um processo de filtragem para filtragem por deslocamento adaptativo de amostra

Family Applications After (8)

Application Number Title Priority Date Filing Date
BR122019028115-7A BR122019028115B1 (pt) 2011-11-07 2012-11-07 Método para decodificar uma imagem composta de uma pluralidade de amostras
BR122019026459-7A BR122019026459B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem codificada compreendendo uma pluralidade de amostras
BR112014010882-0A BR112014010882B1 (pt) 2011-11-07 2012-11-07 Método e dispositivo para decodificar uma imagem, sinal, dispositivo e meio de armazenamento
BR122019028117-3A BR122019028117B1 (pt) 2011-11-07 2012-11-07 Método de codificação de informação para aplicar deslocamentos adaptativos de amostra a uma imagem
BR122019026461-9A BR122019026461B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem compreendendo uma pluralidade de amostras
BR122019026460-0A BR122019026460B1 (pt) 2011-11-07 2012-11-07 Método para decodificar pelo menos uma parte de uma imagem compreendendo uma pluralidade de amostras
BR122019028116-5A BR122019028116B1 (pt) 2011-11-07 2012-11-07 Método para aplicar deslocamentos adaptativos de amostra a uma imagem
BR122019028118-1A BR122019028118B1 (pt) 2011-11-07 2012-11-07 Método para codificação de informação para executar um processo de deslocamento adaptativo de amostra em dados de imagem constituídos de uma pluralidade de amostras

Country Status (14)

Country Link
US (12) US9106931B2 (pt)
EP (11) EP3396957B1 (pt)
JP (10) JP6184416B2 (pt)
KR (12) KR102029614B1 (pt)
CN (15) CN107197270B (pt)
BR (10) BR122019026456B1 (pt)
DK (2) DK2777255T3 (pt)
ES (7) ES2628070T3 (pt)
GB (5) GB201119206D0 (pt)
HU (5) HUE057826T2 (pt)
IN (2) IN2014CN04154A (pt)
PL (5) PL3396957T3 (pt)
RU (13) RU2641230C1 (pt)
WO (3) WO2013068428A2 (pt)

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JP2020022183A (ja) 2020-02-06
BR122019026461B1 (pt) 2023-01-31
EP2777255B1 (en) 2017-03-29
CN107197256B (zh) 2021-09-21
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JP2017098979A (ja) 2017-06-01
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US20140301480A1 (en) 2014-10-09
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US10743033B2 (en) 2020-08-11
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US20140301489A1 (en) 2014-10-09
BR122019028117B1 (pt) 2022-11-22
CN107465919A (zh) 2017-12-12
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US11076173B2 (en) 2021-07-27
RU2019137625A (ru) 2021-05-24
RU2701130C1 (ru) 2019-09-24
US10085042B2 (en) 2018-09-25
JP6490276B2 (ja) 2019-03-27
BR112014010882A2 (pt) 2017-05-02
PL3247117T3 (pl) 2020-06-01
KR102068431B1 (ko) 2020-01-20
CN107465918A (zh) 2017-12-12
KR101920105B1 (ko) 2018-11-19
BR122019028118B1 (pt) 2022-05-17
KR101920529B1 (ko) 2018-11-20
KR102083280B1 (ko) 2020-03-02
HUE057826T2 (hu) 2022-06-28
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