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1. WO2020064381 - IMAGE SYNTHESIS

Publication Number WO/2020/064381
Publication Date 02.04.2020
International Application No. PCT/EP2019/074617
International Filing Date 16.09.2019
IPC
H04N 21/218 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
21Server components or server architectures
218Source of audio or video content, e.g. local disk arrays
G06T 15/20 2011.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
153D  image rendering
10Geometric effects
20Perspective computation
H04N 21/231 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
23Processing of content or additional data; Elementary server operations; Server middleware
231Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers or prioritizing data for deletion
H04N 21/6587 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
60Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client; Communication details between server and client
65Transmission of management data between client and server
658Transmission by the client directed to the server
6587Control parameters, e.g. trick play commands or viewpoint selection
H04N 21/81 2011.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
81Monomedia components thereof
H04N 13/117 2018.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
10Processing, recording or transmission of stereoscopic or multi-view image signals
106Processing image signals
111Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation
117the virtual viewpoint locations being selected by the viewers or determined by viewer tracking
CPC
G06T 15/205
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
153D [Three Dimensional] image rendering
10Geometric effects
20Perspective computation
205Image-based rendering
H04N 13/117
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
10Processing, recording or transmission of stereoscopic or multi-view image signals
106Processing image signals
111Transformation of image signals corresponding to virtual viewpoints, e.g. spatial image interpolation
117the virtual viewpoint locations being selected by the viewers or determined by viewer tracking
H04N 13/194
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
10Processing, recording or transmission of stereoscopic or multi-view image signals
194Transmission of image signals
H04N 13/344
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
30Image reproducers
332Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
344with head-mounted left-right displays
H04N 13/383
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
13Stereoscopic video systems; Multi-view video systems; Details thereof
30Image reproducers
366using viewer tracking
383for tracking with gaze detection, i.e. detecting the lines of sight of the viewer's eyes
H04N 21/21805
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
21Server components or server architectures
218Source of audio or video content ; , e.g. local disk arrays
21805enabling multiple viewpoints, e.g. using a plurality of cameras
Applicants
  • KONINKLIJKE PHILIPS N.V. [NL]/[NL]
Inventors
  • VAREKAMP, Christiaan
Agents
  • PHILIPS INTELLECTUAL PROPERTY & STANDARDS
Priority Data
18196617.725.09.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) IMAGE SYNTHESIS
(FR) SYNTHÈSE D'IMAGE
Abstract
(EN)
An image synthesis apparatus comprises a receiver (301) for receiving image parts and associated depth data of images representing a scene from different view poses from an image source. A store (311) stores a depth transition metric for each image part of a set of image parts where the depth transition metric for an image part is indicative of a direction of a depth transition in the image part. A determiner (305) determines a rendering view pose and an image synthesizer (303) synthesizes at least one image from received image part. A selector is arranged to select a first image part of the set of image parts in response to the depth transition metric and a retriever (309) retrieves the first image part from the image source. The synthesis of an image part for the rendering view pose is based on the first image part.
(FR)
L'invention concerne un appareil de synthèse d'image qui comprend un récepteur (301) pour recevoir des parties d'image et des données de profondeur associées d'images représentant une scène à partir de différentes poses de visualisation en provenance d'une source d'image. Un magasin (311) stocke une métrique de transition de profondeur pour chaque partie d'image d'un ensemble de parties d'image, la métrique de transition de profondeur pour une partie d'image étant indicative d'une direction d'une transition de profondeur dans la partie d'image Un dispositif de détermination (305) détermine une pose de visualisation de rendu et un synthétiseur d'image (303) synthétise au moins une image de la partie d'image reçue Un sélecteur est agencé pour sélectionner une première partie d'image de l'ensemble de parties d'image en réponse à la métrique de transition de profondeur et un récupérateur (309) récupère la première partie d'image à partir de la source d'image. La synthèse d'une partie d'image pour la pose de visualisation de rendu est basée sur la première partie d'image
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