Collaborative mapping of a space using ultrasonic sonar
US10921446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Apr 17, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S15/878
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Generally, a scanning device performs a sonic scan of a space by generating an ultrasonic impulse and measuring reflected signals as raw audio data. Sonic scan data including raw audio data and an associated scan location is forwarded to a sonic mapping service, which generates and distributes a 3D map of the space called a sonic map. When multiple devices contribute, the map is a collaborative sonic map. The sonic mapping service is advantageously available as distributed computing service, and can detect acoustic characteristics of the space and/or attribute visual/audio features to elements of a 3D model based on a corresponding detected acoustic characteristic. Various implementations that utilize a sonic map, detected acoustic characteristics, an impacted visual map, and/or an impacted 3D object include mixed reality communications, automatic calibration, relocalization, visualizing materials, rendering 3D geometry, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.