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

Luminance

Earth science; Remote sensing

Quantitative measure of the intensity of light from a source.

Amplitude

Earth science; Remote sensing

For waves, the vertical distance from crest to trough.

Digitizer

Earth science; Remote sensing

Device for scanning an image and converting it into numerical format.

Redundancy

Earth science; Remote sensing

Information on an image which is either not required for interpretation or cannot be seen. Redundancy may be spatial or spectral. The term also refers to multispectral data where the degree of ...

Alteration

Earth science; Remote sensing

Changes in colour 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.