Method of recognizing selected objects
US5008836A · kind A · utility
0Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 20, 1989 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Jul 20, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V20/64
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of recognizing a selected object during a fly-over including periodically making range measurements to the ground at a predetermined angle, noting range rate of change from adjacent range measurements, determining the presence of an object, its height and width from the range rate changes and comparing the measured figures to stored figures to recognize a selected object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.