Satellite Image Processing Using Erdas Imagine

Abstract

Abstract
Pictures are the most effective means of conveying information. A picture is worth a thousand words. Pictures in short convey data regarding positions, sizes and interrelationships between objects. People in general area unit sensible at explanation data from such pictures, thanks to our innate visual and mental skills. Regarding seventy fifth of the knowledge received by human is in pictorial kind. The paper describes the essential technological aspects of digital image process with special regard to satellite image process. Primarily all satellite pictures process data will be sorted into three classes; (1) Image rectification and restoration, (2) Image sweetening, and (3) Information extraction. The previous deals with initial process of raw image information to correct for geometric distortion, the sweetening procedures area unit applied to image information so as to effectively show the info for resulting visual interpretation. The intent of classification method is to reason all pixels in a very digital image into one among many land cowl categories or themes. This classified information could also be accustomed turn out thematic maps of the land cowl gift in a picture.

Keywords: Satellite image process, image rectification and restoration, image sweetening, information extraction