WO2015006899A1 - Procédé simplifié de dérivation de vecteur de disparité - Google Patents

Procédé simplifié de dérivation de vecteur de disparité Download PDF

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Publication number
WO2015006899A1
WO2015006899A1 PCT/CN2013/079371 CN2013079371W WO2015006899A1 WO 2015006899 A1 WO2015006899 A1 WO 2015006899A1 CN 2013079371 W CN2013079371 W CN 2013079371W WO 2015006899 A1 WO2015006899 A1 WO 2015006899A1
Authority
WO
WIPO (PCT)
Prior art keywords
block
derived
neighboring
neighboring block
blocks
Prior art date
Application number
PCT/CN2013/079371
Other languages
English (en)
Inventor
Kai Zhang
Jicheng An
Jian-Liang Lin
Original Assignee
Mediatek Singapore Pte. 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 Mediatek Singapore Pte. Ltd. filed Critical Mediatek Singapore Pte. Ltd.
Priority to PCT/CN2013/079371 priority Critical patent/WO2015006899A1/fr
Publication of WO2015006899A1 publication Critical patent/WO2015006899A1/fr

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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
    • H04N19/50—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
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Definitions

  • the invention relates generally to Three-Dimensional (3D) video processing.
  • the presented invention relates to improvement on the disparity vector (DV) derivation method.
  • a DV-MCP approach is applied in the DV derivation process when no DV can be found from any temporal or spatial neighboring blocks.
  • the DV-MCP procedure five spatial neighboring blocks are checked one by one to identify if a neighboring block is a DV-MCP block.
  • DV-MCP block is defined as a block which is coded in merge mode using inter-view motion vector prediction. If a neighboring block is a DV-MCP block, its derived DV, which is used to locate its inter- view motion vector prediction, will be output as the derived DV of the current block.
  • Fig. 1 depicts a flowchart of the DV-MCP procedure and Fig. 2 shows neighboring blocks used in this procedure. It can be seen from Fig.l and Fig.2 that a flag to indicate whether a block is a DV-MCP block and its derived DV must be stored since they will be used in the DV-MCP procedure of the following blocks.
  • DDV derived DV
  • WPP wavefront parallel processing
  • Fig. 1 is a diagram illustrating a flowchart of the DV-MCP procedure
  • Fig. 2 is a diagram illustrating neighboring blocks used in the DV-MCP
  • Fig. 3 is a diagram illustrating a flowchart of the proposed method.
  • DV-MCP is simplified in two aspects.
  • the checking on DV-MCP block is omitted.
  • DV is derived for each CU before it is coded/decoded. This derived DV is stored for the CU without identifying whether it is a DV-MCP block. Thus the storage of the DV-MCP flag is not required.
  • a neighboring block is available when it is non-intra coded and in the same LCU-row with the current CU.
  • FIG. 3 demonstrates a flowchart of the proposed simplified DV-MCP procedure.
  • an embodiment of the present invention can be a circuit integrated into a video compression chip or program codes integrated into video compression software to perform the processing described herein.
  • An embodiment of the present invention may also be program codes to be executed on a Digital Signal Processor (DSP) to perform the processing described herein.
  • DSP Digital Signal Processor
  • the invention may also involve a number of functions to be performed by a computer processor, a digital signal processor, a microprocessor, or field programmable gate array (FPGA).
  • processors can be configured to perform particular tasks according to the invention, by executing machine-readable software code or firmware code that defines the particular methods embodied by the invention.
  • the software code or firmware codes may be developed in different programming languages and different format or style.
  • the software code may also be compiled for different target platform.
  • different code formats, styles and languages of software codes and other means of configuring code to perform the tasks in accordance with the invention will not depart from the spirit and scope of the invention.

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

Abstract

L'invention concerne un procédé simplifié de dérivation de vecteur de disparité (DV) dans la norme 3D-HEVC. Dans la norme 3D-HEVC actuelle, une procédure DV-MCP est appliquée lorsqu'aucun DV ne peut être trouvé dans des blocs voisins. L'invention propose de simplifier cette procédure dans deux aspects. Premièrement, la vérification sur le bloc DV-MCP est omise. Deuxièmement, un accès est autorisé pour seulement deux blocs voisins au lieu de cinq.
PCT/CN2013/079371 2013-07-15 2013-07-15 Procédé simplifié de dérivation de vecteur de disparité WO2015006899A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/079371 WO2015006899A1 (fr) 2013-07-15 2013-07-15 Procédé simplifié de dérivation de vecteur de disparité

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/079371 WO2015006899A1 (fr) 2013-07-15 2013-07-15 Procédé simplifié de dérivation de vecteur de disparité

Publications (1)

Publication Number Publication Date
WO2015006899A1 true WO2015006899A1 (fr) 2015-01-22

Family

ID=52345672

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/079371 WO2015006899A1 (fr) 2013-07-15 2013-07-15 Procédé simplifié de dérivation de vecteur de disparité

Country Status (1)

Country Link
WO (1) WO2015006899A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867813A (zh) * 2010-04-23 2010-10-20 南京邮电大学 面向交互式应用的多视点视频编码方法
WO2013030456A1 (fr) * 2011-08-30 2013-03-07 Nokia Corporation Appareil, procédé et programme informatique pour codage et décodage vidéo
WO2013053309A1 (fr) * 2011-10-11 2013-04-18 Mediatek Inc. Procédé et appareil de dérivation de vecteur de mouvement et de vecteur de disparité pour un codage vidéo 3d et un codage hevc
US20130176390A1 (en) * 2012-01-06 2013-07-11 Qualcomm Incorporated Multi-hypothesis disparity vector construction in 3d video coding with depth

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101867813A (zh) * 2010-04-23 2010-10-20 南京邮电大学 面向交互式应用的多视点视频编码方法
WO2013030456A1 (fr) * 2011-08-30 2013-03-07 Nokia Corporation Appareil, procédé et programme informatique pour codage et décodage vidéo
WO2013053309A1 (fr) * 2011-10-11 2013-04-18 Mediatek Inc. Procédé et appareil de dérivation de vecteur de mouvement et de vecteur de disparité pour un codage vidéo 3d et un codage hevc
US20130176390A1 (en) * 2012-01-06 2013-07-11 Qualcomm Incorporated Multi-hypothesis disparity vector construction in 3d video coding with depth

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