BR112015020340A2 - derivação de vetor de movimento de disparidade, codificação e decodificação de vídeo 3d utilizando uma tal derivação - Google Patents

derivação de vetor de movimento de disparidade, codificação e decodificação de vídeo 3d utilizando uma tal derivação

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Publication number
BR112015020340A2
BR112015020340A2 BR112015020340A BR112015020340A BR112015020340A2 BR 112015020340 A2 BR112015020340 A2 BR 112015020340A2 BR 112015020340 A BR112015020340 A BR 112015020340A BR 112015020340 A BR112015020340 A BR 112015020340A BR 112015020340 A2 BR112015020340 A2 BR 112015020340A2
Authority
BR
Brazil
Prior art keywords
derivation
decoding
motion vector
video encoding
disparity
Prior art date
Application number
BR112015020340A
Other languages
English (en)
Other versions
BR112015020340B1 (pt
Inventor
Gabriel Mora Elie
Jung Joël
Original Assignee
Orange
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 Orange filed Critical Orange
Publication of BR112015020340A2 publication Critical patent/BR112015020340A2/pt
Publication of BR112015020340B1 publication Critical patent/BR112015020340B1/pt

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/128—Adjusting depth or disparity
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/122—Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
    • H04N13/106—Processing image signals
    • H04N13/172—Processing image signals image signals comprising non-image signal components, e.g. headers or format information
    • H04N13/178—Metadata, e.g. disparity information
    • 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
    • H04N19/513—Processing of motion vectors
    • H04N19/521—Processing 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
    • 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
    • H04N19/527—Global motion vector estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0081—Depth or disparity estimation from stereoscopic image signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Library & Information Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

resumo patente de invenção: “derivação de vetor de movimento de disparidade, codificação e decodificação de vídeo 3d utilizando uma tal derivação”. a invenção refere-se a um processo de decodificação de uma imagem corrente (ik) compreendendo pelo menos duas vistas que são representativas de uma mesma cena, o referido processo de decodificação compreendendo uma etapa (d3) de derivação de um vetor de movimento de disparidade, o referido processo de decodificação sendo caracterizado pelo fato de, durante a referida etapa de derivação, compreender as etapas consistindo em: - construir (s1) pelo menos uma lista (l1) de vetores de movimento de disparidade onde pelo menos dois vetores de movimento de disparidade foram obtidos respectivamente de acordo com dois métodos de estimativa diferentes, - aplicar (s3) uma função aos referidos pelo menos dois vetores de movimento de disparidade da referida lista. um tal processo é aplicável a uma imagem corrente u de tipo mvv ou mvd.
BR112015020340-0A 2013-02-26 2014-02-24 Processo e dispositivo de decodificação de uma imagem corrente, suporte de gravação legível por computador e processo e dispositivo de codificação de uma imagem corrente BR112015020340B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1351701A FR3002716A1 (fr) 2013-02-26 2013-02-26 Derivation de vecteur de mouvement de disparite, codage et decodage video 3d utilisant une telle derivation
FR1351701 2013-02-26
PCT/FR2014/050384 WO2014131975A2 (fr) 2013-02-26 2014-02-24 Dérivation de vecteur de mouvement de disparité, codage et décodage vidéo 3d utilisant une telle dérivation

Publications (2)

Publication Number Publication Date
BR112015020340A2 true BR112015020340A2 (pt) 2017-07-18
BR112015020340B1 BR112015020340B1 (pt) 2023-04-18

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
BR112015020340-0A BR112015020340B1 (pt) 2013-02-26 2014-02-24 Processo e dispositivo de decodificação de uma imagem corrente, suporte de gravação legível por computador e processo e dispositivo de codificação de uma imagem corrente
BR122020021362-0A BR122020021362B1 (pt) 2013-02-26 2014-02-24 Processo e dispositivo de decodificação de uma imagem corrente, suporte de gravação legível por computador e processo e dispositivo de codificação de uma imagem corrente

Family Applications After (1)

Application Number Title Priority Date Filing Date
BR122020021362-0A BR122020021362B1 (pt) 2013-02-26 2014-02-24 Processo e dispositivo de decodificação de uma imagem corrente, suporte de gravação legível por computador e processo e dispositivo de codificação de uma imagem corrente

Country Status (9)

Country Link
US (2) US10595044B2 (pt)
EP (2) EP2962459B1 (pt)
JP (1) JP6690944B2 (pt)
KR (1) KR102208951B1 (pt)
CN (1) CN105075250B (pt)
BR (2) BR112015020340B1 (pt)
ES (1) ES2799577T3 (pt)
FR (1) FR3002716A1 (pt)
WO (1) WO2014131975A2 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002716A1 (fr) * 2013-02-26 2014-08-29 France Telecom Derivation de vecteur de mouvement de disparite, codage et decodage video 3d utilisant une telle derivation

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Also Published As

Publication number Publication date
BR122020021362B1 (pt) 2023-04-11
JP2016511593A (ja) 2016-04-14
KR20150122690A (ko) 2015-11-02
JP6690944B2 (ja) 2020-04-28
CN105075250A (zh) 2015-11-18
US10595044B2 (en) 2020-03-17
EP2962459B1 (fr) 2020-04-01
WO2014131975A2 (fr) 2014-09-04
WO2014131975A3 (fr) 2014-11-20
KR102208951B1 (ko) 2021-01-27
BR112015020340B1 (pt) 2023-04-18
US11102466B2 (en) 2021-08-24
US20200186834A1 (en) 2020-06-11
EP2962459A2 (fr) 2016-01-06
EP3672252A1 (fr) 2020-06-24
ES2799577T3 (es) 2020-12-18
FR3002716A1 (fr) 2014-08-29
CN105075250B (zh) 2019-08-13
US20160014428A1 (en) 2016-01-14

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04N 7/00 (2011.01)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 24/02/2014, OBSERVADAS AS CONDICOES LEGAIS