Remote Sensing Glossary

Revision as of 16:18, 10 December 2012

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Atmospheric correction

A pre-processing step for satellite imagery to remove atmospheric effects in order to enhance accuracy of surface reflectance.

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Pixel

The smallest spatial unit in a digital image. A satellite image is made up of a matrix pixels, each having its own vector of digital values for each band.

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Spatial resolution

The size of a pixel that is recorded in a raster image – typically pixels correspond to square areas.

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