Remote sensing

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

lidar

Earth science; Remote sensing

Light intensity detection and ranging, which uses lasers to stimulate fluorescence in various compounds and to measure distances to reflecting surfaces.

scale

Earth science; Remote sensing

Ratio of distance on an image to the equivalent distance on the ground.

synthetic stereo images

Earth science; Remote sensing

Stereo images constructed through digital processing of a single image. Topographic data are used to calculate parallax.

interpretation

Earth science; Remote sensing

The process in which a person extracts information from an image.

bit

Earth science; Remote sensing

Contraction of binary digit, which in digital computing represents an exponent of the base 2.

reflectance

Earth science; Remote sensing

Ratio of the radiant energy reflected by a body to the energy incident on it. Spectral reflectance is the reflectance measured within a specific wavelength interval.