Remote sensing platforms are the structures or vehicles that house remote sensing instruments. A number of attributes that may dictate the use of specific sensors…
There are two types of image processing methods: analogue image processing and digital image processing. Hard copies, such as printouts and photographs, can benefit from…
Most digitizing methods entail human interpretation of geographic features, there are a variety of inaccuracies and digitizing errors that might arise throughout the data collection…
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…
