Systems, methods, and tools for spatially-registering virtual content with physical environment in augmented reality platforms
US10573089B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 9, 2017 |
| Grant date | Feb 25, 2020 |
| Priority date | — |
| Expiry date | Nov 12, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2219/2004
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system includes an alignment tool and an augmented-reality (AR) imaging device. The alignment tool has a pointer and a fiducial marker, and is carried by an operator within a physical workspace. The AR imaging device tracks the fiducial marker in the physical workspace using one or more sensors, and determines positional coordinates of the pointer at physical reference locations within the physical workspace based on a position and orientation of the fiducial marker. The physical reference locations are associated with different virtual reference points within a virtual model. The AR imaging device generates a transfer function to fit positional coordinates of the virtual reference points with the positional coordinates of the associated physical reference locations, and displays virtual content on a display according to the transfer function such that the virtual content is spatially-registered with the physical workspace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.