3 Terms
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Remote sensing
The process of using aerial sensor technologies to detect and classify objects on Earth both on the surface, and in the atmosphere and oceans by means of propagated signals.
Industry: Earth science
Add a new termContributors in Remote sensing
Remote sensing
orthophotograph
Earth science; Remote sensing
A vertical aerial photograph from which the distortions due to varying elevation, tilt, and surface topography have been removed, so that it represents every object as if viewed directly from above.
density slicing
Earth science; Remote sensing
Process of converting the continuous gray tones of an image into a series of density intervals, or slices, each corresponding to a specific digital range. The density slices are then displayed ...
azimuth direction
Earth science; Remote sensing
In radar images, the direction in which the aircraft is heading. Also called flight direction.
spectroradiometer
Earth science; Remote sensing
A device which measures the energy reflected or radiated by materials in narrow EM wavebands.
emissivity (E)
Earth science; Remote sensing
Ratio of radiant flux from a body to that from a blackbody at the same kinetic temperature and emissivity.
minus-blue photographs
Earth science; Remote sensing
Black-and-white photographs acquired using a filter that removes blue wavelengths to produce higher spatial resolution.
