In GIS, Digitizing is the process of tracing features to turn geographic data from a hard copy or scanned image into vector data. Features from…
All remote sensing radiation passes through the atmosphere both before and after it interacts with the Earth’s surface. The atmosphere changes the frequency, intensity, and…
Global Positioning System is a radio-navigation system based in space that broadcasts highly accurate navigation pulses to users on or near Earth. Every 12 hours,…
Electromagnetic energy The flow of energy at the universal speed of light through free space or through a material medium in the form of the…
Unlike pixel-based classification methods, which classify individual pixels directly, object-based classification aggregates image pixels into spectral homogeneous image objects using an image segmentation algorithm before…
A geographic information system (GIS) is a computer-based tool for mapping and analyzing real-world objects and events. components of GIS is the element fro which…
A geographic information system (GIS) is a computer program that captures, stores, checks, and displays data about locations on the Earth’s surface. GIS can help…
The practice of identifying and monitoring an area’s physical features by measuring its reflected and emitted radiation from a distance is known as remote sensing…
There are two types of remote sensing Active remote sensing passive remote sensing Active remote sensing to be active remote sensing they must offer their…
Maximum likelihood The maximum likelihood classifier is a prominent remote sensing supervised classification approach in which a pixel with the highest likelihood is classified into…