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1. WO2020117617 - ENHANCED TECHNIQUES FOR TRACKING THE MOVEMENT OF REAL-WORLD OBJECTS FOR IMPROVED POSITIONING OF VIRTUAL OBJECTS

Publication Number WO/2020/117617
Publication Date 11.06.2020
International Application No. PCT/US2019/063829
International Filing Date 29.11.2019
IPC
G06F 3/01 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
CPC
G06F 3/011
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
01Input arrangements or combined input and output arrangements for interaction between user and computer
011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
G06K 9/00201
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
00201Recognising three-dimensional objects, e.g. using range or tactile information
G06T 19/006
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
19Manipulating 3D models or images for computer graphics
006Mixed reality
G06T 2207/10028
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
2207Indexing scheme for image analysis or image enhancement
10Image acquisition modality
10028Range image; Depth image; 3D point clouds
G06T 7/248
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
20Analysis of motion
246using feature-based methods, e.g. the tracking of corners or segments
248involving reference images or patches
G06T 7/40
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
40Analysis of texture
Applicants
  • MICROSOFT TECHNOLOGY LICENSING, LLC [US]/[US]
Inventors
  • FAULKNER, Jason Thomas
Agents
  • MINHAS, Sandip S.
  • ADJEMIAN, Monica
  • BARKER, Doug
  • CHATTERJEE, Aaron C.
  • CHEN, Wei-Chen Nicholas
  • CHOI, Daniel
  • CHURNA, Timothy
  • DINH, Phong
  • EVANS, Patrick
  • GABRYJELSKI, Henry
  • GOLDSMITH, Micah P.
  • GUPTA, Anand
  • HINOJOSA-SMITH, Brianna L.
  • HWANG, William C.
  • JARDINE, John S.
  • LEE, Sunah
  • LEMMON, Marcus
  • MARQUIS, Thomas
  • MEYERS, Jessica
  • ROPER, Brandon
  • SPELLMAN, Steven
  • SULLIVAN, Kevin
  • SWAIN, Cassandra T.
  • TABOR, Ben
  • WALKER, Matt
  • WIGHT, Stephen A.
  • WISDOM, Gregg
  • WONG, Ellen
  • WONG, Thomas S.
  • ZHANG, Hannah
  • TRAN, Kimberly
Priority Data
16/212,57506.12.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ENHANCED TECHNIQUES FOR TRACKING THE MOVEMENT OF REAL-WORLD OBJECTS FOR IMPROVED POSITIONING OF VIRTUAL OBJECTS
(FR) TECHNIQUES AMÉLIORÉES POUR SUIVRE LE MOUVEMENT D'OBJETS DU MONDE RÉEL POUR UN POSITIONNEMENT AMÉLIORÉ D'OBJETS VIRTUELS
Abstract
(EN)
This disclosure provides enhanced techniques for tracking the movement of real-world objects for improved display of virtual objects that are associated with the real-world objects. A first device can track the position of a real-world object. When the real-world object moves out of a viewing area of the first device, a second device can use metadata defining physical characteristics of the real-world object shared by the first device to identify the real-world object as the real-world object comes into a viewing area of the second device. The second device can then maintain an association between the real-world object and the virtual objects as the real-world object moves, and share such information with other computers to enable the other computers to display the virtual objects in association with the real-world object even though they are not in direct view of an associated real-world object.
(FR)
La présente invention concerne des techniques améliorées pour suivre le mouvement d'objets du monde réel pour un affichage amélioré d'objets virtuels qui sont associés aux objets du monde réel. Un premier dispositif peut suivre la position d'un objet du monde réel. Lorsque l'objet du monde réel se déplace hors d'une zone de visualisation du premier dispositif, un second dispositif peut utiliser des métadonnées définissant des caractéristiques physiques de l'objet du monde réel partagées par le premier dispositif afin d'identifier l'objet du monde réel lorsque l'objet du monde réel arrive dans une zone de visualisation du second dispositif. Le second dispositif peut ensuite maintenir une association entre l'objet du monde réel et les objets virtuels lorsque l'objet du monde réel se déplace, et partager lesdites informations avec d'autres ordinateurs pour permettre aux autres ordinateurs d'afficher les objets virtuels en association avec l'objet du monde réel même s'ils ne sont pas en vue directe d'un objet du monde réel associé.
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