Method and device for determining the speed of a vehicle
US8140214B2 · kind B2 · utility
5Cited by
2References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2005 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Jun 2, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T7/246
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a method for determining a speed of a vehicle (1), whereby at least two images (A, B) of an area surrounding the vehicle are recorded in time succession using a camera on the vehicle (1), and between the images (A, B) changes (2) in a position and/or a size of at least one object (X) contained in the images (X) are determined, and from the changes, a speed of the vehicle (1) is determined relative to the object (X).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.