3 Terms
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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
Add a new termContributors in Remote sensing
Remote sensing
Transparency
Earth science; Remote sensing
Image on a transparent photographic material, normally a positive image.
Terrain
Earth science; Remote sensing
Surface of the earth. A particular geographic area or a region.
Digitization
Earth science; Remote sensing
Process of converting an analogue display into a digital display.
Probability density function (PDF)
Earth science; Remote sensing
A function indicating the relative frequency with which any measurement may be expected to occur. In remote sensing it is represented by the histogram of DN in one band for a scene.
Raster
Earth science; Remote sensing
The scanned and illuminated area of a video display, produced by a modulated beam of electrons sweeping the phosphorescent screen line by line from top to bottom at a regular rate of repetition.
High-pass philtre
Earth science; Remote sensing
A spatial philtre which selectively enhances contrast variations with high spatial frequencies in an image. It improves the sharpness of images and is a method of edge enhancement.
Kinetic temperature
Earth science; Remote sensing
Internal temperature of an object determined by random molecular motion. Kinetic temperature is measured with a contact thermometer.
