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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
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Remote sensing
Tone
Earth science; Remote sensing
Each distinguishable shade of grey from white to black on an image.
Mosaic
Earth science; Remote sensing
Composite image or photograph made by piecing together individual images or photographs covering adjacent areas.
Digital image
Earth science; Remote sensing
An image where the property being measured has been converted from a continuous range of analogue values to a range expressed by a finite number of integers, usually recorded as binary codes from 0 ...
Foreshortening
Earth science; Remote sensing
A distortion in radar images causing the lengths of slopes facing the antenna to appear shorter on the image than on the ground. It is produced when radar wavefronts are steeper than the topographic ...
Look direction
Earth science; Remote sensing
Direction in which pulses of microwave energy are transmitted by a radar system. The look direction is normal to the azimuth direction. Also called range direction.
Picture element
Earth science; Remote sensing
In a digitised image, the area on the ground represented by each digital number. Commonly contracted to pixel.
