Basic concepts of Remote Sensing |Active & Passive Types of Remote sensing with PPT (PDF)|
Remote sensing is the technology of gathering information about objects or areas from a distance using various sensors, such as satellites or aircraft. It involves capturing images and data of the earth's surface, then analyzing it to gain insights.
There are two main types of remote sensing: passive and active.
Passive remote sensing relies on naturally occurring energy such as sunlight, while active remote sensing uses emitted energy such as radar or laser.
Remote sensing has various applications, including agriculture, forestry, environmental monitoring, urban planning, and disaster management. It provides data that is often difficult or impossible to obtain through traditional ground-based methods.
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Remote sensing, Definition, Types, Satellite imagery, Aerial imagery, Image interpretation, Spectral analysis, Radiometry, Digital image processing, GIS (Geographic Information System), Image resolution, Reflectance, Sensor types (LiDAR, SAR, hyperspectral), Image classification, Image analysis, Feature extraction, Pattern recognition.
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