Multi-scale fiducials
US9791865B2 · kind B2 · utility
8Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2014 |
| Grant date | Oct 17, 2017 |
| Priority date | — |
| Expiry date | Oct 29, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30208
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are various embodiments of a multi-scale fiducial. A multi-scale fiducial may have three or more scales, where the child fiducials are nested or otherwise linked by a relative position to the parent fiducials. Multi-scale fiducials may facilitate target identification and tracking at varying distances, potentially without the aid of a scale-invariant recognition algorithm. One application of multi-scale fiducials may involve target identification for autonomously controlled aerial vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.