Validation of terrain and obstacle databases

Details Validation of terrain and obstacle databases Validation of terrain and obstacle databases

2003-11-12

2008-10-21

Ahmed, Samir (Department: 2624)

Image analysis

Applications

Seismic or geological sample measuring

C434S150000

Reexamination Certificate

active

07440591

ABSTRACT:
A method of identifying errors in information describing terrain features is disclosed. According to the method, a first set of data is obtained which describes an area of terrain. The first set of data has a first type of error. A second set of data is obtained which describes the area of terrain. The second set of data has a second type of error. The second type of error is characteristically different from the first type of error. A subset of the first set of data corresponding to a first portion of the area of terrain is compared with a subset of the second set of data corresponding to the first portion to identify information not present in one of the first and second sets of data.

REFERENCES:
patent: 6011505 (2000-01-01), Poehler et al.
patent: 6125329 (2000-09-01), Place et al.
patent: 6233522 (2001-05-01), Morici
patent: 2002/0114509 (2002-08-01), Takeuchi et al.

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