Method and apparatus for acquiring digital maps
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United States of America Patent
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-
Jan 21, 1997
Grant Date -
N/A
app pub date -
Nov 14, 1994
filing date -
Nov 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and an apparatus are disclosed that, when used in an airborne environment, acquire spatial imagery, that are instantaneous pictures of one or more terrestrial scenes, and the absolute geophysical coordinates (Latitude and Longitude) of ground objects simultaneously. Any number of series of terrestrial images and the absolute geophysical coordinate information are recorded digitally. The absolute geophysical coordinate information is displayed in real-time. The terrestrial imagery and the absolute geophysical coordinate coordinates are displayed and queried in near real-time. Thus, a new type of digital maps, comprising a two-dimensional terrestrial image and the absolute geophysical coordinates of any terrestrial objects in the image, is obtained using solely digitally-recorded spatial data on an original, unprocessed mission medium, or any secondary media. Near real-time images and accurate longitude and latitude coordinates can be displayed and queried before the aircraft lands.
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