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1. WO2020229612 - A METHOD FOR CAPTURING MOTION OF AN OBJECT AND A MOTION CAPTURE SYSTEM

Publication Number WO/2020/229612
Publication Date 19.11.2020
International Application No. PCT/EP2020/063489
International Filing Date 14.05.2020
IPC
G06K 9/00 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G06K 9/20 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
G06K 9/32 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
32Aligning or centering of the image pick-up or image-field
CPC
G06K 2009/3225
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
32Aligning or centering of the image pick-up or image-field
3216by locating a pattern
3225Special marks for positioning
G06K 9/00771
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
00624Recognising scenes, i.e. recognition of a whole field of perception; recognising scene-specific objects
00771Recognising scenes under surveillance, e.g. with Markovian modelling of scene activity
G06K 9/2018
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
2018Identifying/ignoring parts by sensing at different wavelengths
Applicants
  • PROPHESEE [FR]/[FR]
Inventors
  • BOURDIS, Nicolas
  • MIGLIORE, Davide
Agents
  • PLASSERAUD IP
Priority Data
19305624.916.05.2019EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A METHOD FOR CAPTURING MOTION OF AN OBJECT AND A MOTION CAPTURE SYSTEM
(FR) PROCÉDÉ DE CAPTURE DE MOUVEMENT D’UN OBJET ET SYSTÈME DE CAPTURE DE MOUVEMENT
Abstract
(EN)
A method for capturing motion of an object, the method comprising: installing at least one marker on the object; bringing the object having the at least one marker installed thereon in an acquisition volume; arranging at least two event-based light sensors such that respective fields of view of the at least two event-based light sensors cover the acquisition volume, wherein each event-based light sensor has an array of pixels; receiving events asynchronously from the pixels of the at least two event-based light sensors depending on variations of incident light from the at least one marker sensed by the pixels; and processing the events to position the at least one marker within the acquisition volume and capture motion of the object.
(FR)
La présente invention concerne un procédé de capture de mouvement d’un objet. Le procédé comprend les étapes consistant à : installer au moins un marqueur sur l’objet ; amener l’objet, sur lequel sont installés le ou les marqueurs, dans un volume d’acquisition ; disposer au moins deux capteurs de lumière basés sur des événements de sorte que les champs de vision respectifs des au moins deux capteurs de lumière basés sur des événements couvrent le volume d’acquisition, chaque capteur de lumière basé sur des événements ayant un réseau de pixels ; recevoir des événements de manière asynchrone depuis les pixels des au moins deux capteurs de lumière basés sur des événements en fonction de variations de la lumière, incidente depuis le ou les marqueurs, détectée par les pixels ; et traiter les événements pour positionner le ou les marqueurs dans le volume d’acquisition et capturer le mouvement de l’objet.
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