Determining tilt angle and tilt direction using image processing
US9109889B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 15, 2012 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Apr 8, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30244
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A survey instrument includes a surveying device configured to perform survey measurements and an imaging device coupled to the surveying device and having a known spatial relationship with the surveying device. The imaging device may be configured to obtain image information. The survey instrument also includes a processor in electrical communication with the imaging device. The processor may be configured to receive the image information from the imaging device, process the image information to determine a pose of the imaging device, and determine a tilt angle of the survey instrument and a tilt direction of the survey instrument in a reference frame. Tilt angle and the tilt direction of the survey instrument may be determined using the pose of the imaging device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.