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

linear

Earth science; Remote sensing

Describes the straight line-like nature of features on the terrain or on images and photographs.

digital display

Earth science; Remote sensing

A form of data display in which values are shown as arrays of numbers.

spectral reflectance

Earth science; Remote sensing

Reflectance of electromagnetic energy at specified wavelength intervals.

alteration

Earth science; Remote sensing

Changes in color and mineralogy of rocks surrounding a mineral deposit that are caused by the solutions that formed the deposit. Suites of alteration minerals commonly occur in zones.

nadir

Earth science; Remote sensing

Point on the ground directly in line with the remote sensing system and the center of the earth.

nondirectional filter

Earth science; Remote sensing

Mathematical filter that treats all orientations of linear features equally.

acuity

Earth science; Remote sensing

A measure of human ability to perceive spatial variations in a scene. It varies with the spatial frequency, shape, and contrast of the variations, and depends on whether the scene is colored or ...