Remote sensing
What is Remote sensing Remote sensing is defined as the art and science of obtaining information about an object without being in direct physical contact with the object. It is a scientific technology that can be used to measure and monitor important biophysical characteristic and human activities on earth. Remote sensing is also defined as the measurement or acquisition of information of some property of an object or phenomenon, by an recording device that is not in physical or intimate contact with the object or phenomenon under study. So, remote sensing is the non contact recording of information from the ultraviolet, visible infrared and microwave region of the electromagnetic spectrum by means of instrument such as cameras, scanner, laser, linear arrays and area arrays located on platforms such as aircraft or spacecraft and the analysis of acquired information by mean of visual and digital image processing .(Jensen J. R.M 2014) The sensors collect data in the form of...