WO2014166090A1 - Procédés de vérification de disponibilité de prédiction résiduelle inter-vue - Google Patents

Procédés de vérification de disponibilité de prédiction résiduelle inter-vue Download PDF

Info

Publication number
WO2014166090A1
WO2014166090A1 PCT/CN2013/074084 CN2013074084W WO2014166090A1 WO 2014166090 A1 WO2014166090 A1 WO 2014166090A1 CN 2013074084 W CN2013074084 W CN 2013074084W WO 2014166090 A1 WO2014166090 A1 WO 2014166090A1
Authority
WO
WIPO (PCT)
Prior art keywords
residual prediction
ivrp
reference block
availability
tus
Prior art date
Application number
PCT/CN2013/074084
Other languages
English (en)
Inventor
Jicheng An
Kai Zhang
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/CN2013/074084 priority Critical patent/WO2014166090A1/fr
Publication of WO2014166090A1 publication Critical patent/WO2014166090A1/fr

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
    • H04N19/50—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
    • H04N2013/0074—Stereoscopic image analysis
    • H04N2013/0081—Depth or disparity estimation from stereoscopic image signals

Definitions

  • the invention relates generally to Three-Dimensional (3D) video processing.
  • the present invention relates to methods for inter-view residual prediction in 3D video coding.
  • 3D video coding is developed for encoding or decoding video data of multiple views simultaneously captured by several cameras. Since all cameras capture the same scene from different viewpoints, multi-view video data contains a large amount of inter-view redundancy. To share the previously encoded residual information of reference views, an additional tool called inter-view residual prediction has been integrated to the current HEVC based 3D video coding.
  • the inter-view residual prediction is based on a disparity vector (DV) derivation for the current block.
  • a DV is firstly derived for a current prediction unit (PU) and then the residual block in the reference view that is referenced by the DV is used for predicting the residual of the current PU.
  • PU current prediction unit
  • a more detailed illustration of the concept for deriving a reference block location inside the reference view is given in Fig 2.
  • a DV is firstly determined for current PU. The DV is added to the location of the top-left sample of the current PU yielding the location of the top-left sample of the reference block. Then, similar as for motion compensation, the block of residual samples in a reference view that is located at the derived reference location is subtracted from the current residual and only the resulting difference signal is transform coded.
  • the IVRP can be disabled by checking the mode or coded block flag (CBF) information of the reference block in the reference view.
  • CBF coded block flag
  • the inefficient reference residual block which contains mainly the zero residual samples would be removed from the IVRP mode so that the computational complexity is reduced.
  • Fig.l is a diagram illustrating the basic concept for inter-view residual prediction
  • Fig. 2 is a diagram illustrating the derivation of the location of reference residual block.
  • a DV is firstly derived for current PU and then the reference block in the reference view that is located by the DV is used for check the availability of IVRP for current PU.
  • the DV can be derived by the well-known neighbouring block-based DV (NBDV) method, depth-oriented NBDV (DoNBDV) method as shown in current HTM6.0, or other DV derivation methods.
  • NBDV neighbouring block-based DV
  • DoNBDV depth-oriented NBDV
  • the DV is added to the location of the top-left sample of the current PU yielding the location of the top-left sample of the reference block which has the same size as current PU.
  • One or more transform units (TUs) covered or partially covered by the reference block are selected.
  • the TU could be in any position of the reference block.
  • a typical selection is to use one TU in the center of the reference position, or to use four TUs in the four corners of the reference block.
  • IVRP is disabled when the TUs contain no non-zero CBF values or the TUs are intra coded.
  • the inefficient reference residual block which contains mainly the zero residual samples would be removed from the IVRP mode so that the computational complexity is reduced.
  • inter-view residual prediction methods described above can be used in a video encoder as well as in a video decoder.
  • Embodiments of disparity vector derivation methods according to the present invention as described above may be implemented in various hardware, software codes, or a combination of both.
  • 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.

Landscapes

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

Abstract

L'invention concerne des procédés de vérification de disponibilité de l'IVRP (prédiction résiduelle inter-vue) pour codage vidéo multi-vue et codage vidéo 3D. L'invention propose de désactiver l'IVRP en vérifiant les informations CBF (Drapeau de bloc codé) du bloc de référence. Dans le procédé de la présente invention, le bloc résiduel de référence inefficace qui contient principalement les échantillons résiduels zéro serait supprimé du mode IVRP pour réduire la complexité de calcul.
PCT/CN2013/074084 2013-04-11 2013-04-11 Procédés de vérification de disponibilité de prédiction résiduelle inter-vue WO2014166090A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/074084 WO2014166090A1 (fr) 2013-04-11 2013-04-11 Procédés de vérification de disponibilité de prédiction résiduelle inter-vue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/074084 WO2014166090A1 (fr) 2013-04-11 2013-04-11 Procédés de vérification de disponibilité de prédiction résiduelle inter-vue

Publications (1)

Publication Number Publication Date
WO2014166090A1 true WO2014166090A1 (fr) 2014-10-16

Family

ID=51688863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2013/074084 WO2014166090A1 (fr) 2013-04-11 2013-04-11 Procédés de vérification de disponibilité de prédiction résiduelle inter-vue

Country Status (1)

Country Link
WO (1) WO2014166090A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171442A1 (fr) * 2011-06-15 2012-12-20 Mediatek Inc. Procédé et appareil de prédiction et de compensation de vecteurs de mouvement et de disparité pour codage vidéo 3d
EP2579592A1 (fr) * 2011-10-04 2013-04-10 Thomson Licensing Procédé et dispositif de codage prédictif inter-vues, dispositif de décodage et support de stockage lisible sur ordinateur supportant les données codées d'un affichage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012171442A1 (fr) * 2011-06-15 2012-12-20 Mediatek Inc. Procédé et appareil de prédiction et de compensation de vecteurs de mouvement et de disparité pour codage vidéo 3d
EP2579592A1 (fr) * 2011-10-04 2013-04-10 Thomson Licensing Procédé et dispositif de codage prédictif inter-vues, dispositif de décodage et support de stockage lisible sur ordinateur supportant les données codées d'un affichage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"ITU STUDY GROUP 16 Question 6. HEVC Extension for Multiview Video Coding and Multiview Video plus Depth Coding", VCEG 44ND MEETING., 17 April 2012 (2012-04-17), Retrieved from the Internet <URL:http://www.itu.int/md/T09-SG16-C-0946/en> [retrieved on 20131118] *

Similar Documents

Publication Publication Date Title
WO2015109598A1 (fr) Procédés de remplissage de trou avec un paramètre de mouvement
EP3130147B1 (fr) Procédés de prédiction et de décodage de vecteur de bloc pour codage à mode de copie de bloc intra
WO2015003383A1 (fr) Procédés de prédiction de mouvement inter-vues
WO2016008157A1 (fr) Procédés de compensation de mouvement faisant appel au modèle de mouvement d&#39;ordre élevé
US9992494B2 (en) Method of depth based block partitioning
WO2016008161A1 (fr) Prédicteur de vecteur de mouvement bi-directionnel temporel dérivé
WO2015062002A1 (fr) Procédés de prédiction de niveau de sous-pu
WO2015100710A1 (fr) Existence d&#39;une image de référence inter-vues et disponibilité d&#39;outils de codage 3dvc
WO2015000339A1 (fr) Procédé de dérivation de candidat de fusion de texture dans un codage vidéo en 3d
WO2014005280A1 (fr) Procédé et appareil permettant d&#39;améliorer et de simplifier la prédiction de vecteur de mouvement inter-vues et la prédiction de vecteur de disparité
WO2014166068A1 (fr) Raffinement d&#39;une prédiction de vue composite destiné au codage de vidéo 3d
WO2015006920A1 (fr) Procédé d&#39;obtention d&#39;un vecteur de disparité adaptatif
WO2015100731A1 (fr) Procédés de détermination de subdivisions de prédiction
CA2896132C (fr) Procede et appareil de codage dependant de la profondeur compatible
US20150264356A1 (en) Method of Simplified Depth Based Block Partitioning
WO2015006922A1 (fr) Procédés de prédiction résiduelle
WO2014166109A1 (fr) Procédés de dérivation de vecteur de disparité
WO2014029086A1 (fr) Procédés d&#39;amélioration de l&#39;héritage des vecteurs de mouvement et la prédiction du mouvement entre vues pour une carte de profondeurs
WO2015131404A1 (fr) Procédés de codage de cartes de profondeur
WO2014166090A1 (fr) Procédés de vérification de disponibilité de prédiction résiduelle inter-vue
WO2013159326A1 (fr) Prédiction de mouvement inter-image en codage vidéo 3d
WO2014106327A1 (fr) Procédé et appareil pour prédiction résiduelle inter-vue lors du codage vidéo multi-vues
WO2014106346A1 (fr) Procédé de signalisation d&#39;image colocalisée supplémentaire pour 3dvc
CA2921759C (fr) Procede de prediction et d&#39;heritage d&#39;informations de mouvement dans un codage video en trois dimensions et vues multiples
WO2015143603A1 (fr) PROCÉDÉ AMÉLIORÉ POUR LA PRÉDICTION TEMPORELLE DE VECTEUR DE MOUVEMENT EN CODAGE VIDÉO&lt;u /&gt;&lt;u /&gt;

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13881728

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13881728

Country of ref document: EP

Kind code of ref document: A1