10 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
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Remote sensing
Raster pattern
Earth science; Remote sensing
Pattern of horizontal lines swept by an electron beam across the face of a CRT that constitute the image display.
Stereo model
Earth science; Remote sensing
Three-dimensional visual impression produced by viewing a pair of overlapping images through a stereoscope.
Blackbody
Earth science; Remote sensing
An ideal substance that absorbs all the radiant energy incident on it and emits radiant energy at the maximum possible rate per unit area at each wavelength for any given temperature. No actual ...
Ratio image
Earth science; Remote sensing
An image prepared by processing digital multi-spectral data as follows: for each pixel, the value for one band is divided by that of another. The resulting digital values are displayed as an image.
Thermography
Earth science; Remote sensing
Medical applications of thermal IR images. Images of the body, called thermograms, have been used to detect tumours and monitor blood circulation.
Spatial-frequency filtering
Earth science; Remote sensing
The analysis of the spatial variations in DN of an image and the separation or suppression of selected frequency ranges.
Ground swath
Earth science; Remote sensing
Width of the strip of terrain that is imaged by a scanner system.
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