Computing percentage of geographical area based on aerial image

E. C. Tan and D. Xiao
School of Computer Engineering, Nanyang technological University,
Nanyang Avenue, Singapore 639798
Email: asectan@ntu.edu.sg



Abstract
Software implementation of algorithms which calculate the relative percentage of a geographical area of an aerial image displayed on a computer screen is described. The enclosed region can be of any shape and the methods have useful applications in geosciences.