Remote sensing is the acquisition of information about an object or phenomenon without making physical contact with the object, in contrast to in situ or … See more

The basis for multispectral collection and analysis is that of examined areas or objects that reflect or emit radiation that stand out from … See more

In order to create sensor-based maps, most remote sensing systems expect to extrapolate sensor data in relation to a reference point … See more

Satellite images provide very useful information to produce statistics on topics closely related to the territory, such as agriculture, forestry … See more

Remote sensing can be divided into two types of methods: Passive remote sensing and Active remote sensing. Passive sensors gather radiation that is emitted or reflected by the object or surrounding areas. Reflected sunlight is the most common source of … See more

The quality of remote sensing data consists of its spatial, spectral, radiometric and temporal resolutions.
Spatial resolution The size of a pixel that is recorded in a raster image – typically pixels may correspond to square areas ranging in side … See more

The modern discipline of remote sensing arose with the development of flight. The balloonist G. Tournachon (alias Nadar) made photographs of Paris from his balloon in 1858. … See more