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

ground-control point

Earth science; Remote sensing

A geographic feature of known location that is recognizable on images and can be used to determine geometric corrections.

visual dissonance

Earth science; Remote sensing

The disturbing effect of seeing a familiar object in an unfamiliar setting or in an unexpected color.

vertical exaggeration

Earth science; Remote sensing

In a stereo model, the extent to which the vertical scale appears larger than the horizontal scale.

training area

Earth science; Remote sensing

A sample of the Earth's surface with known properties; the statistics of the imaged data within the area are used to determine decision boundaries in classification.

vignetting

Earth science; Remote sensing

A gradual change in overall tone of an image from the centre outwards, caused by the imaging device gathering less radiation from the periphery of its field of view than from the centre. Most ...