Registration of Satellite Images by Using the Linear Transformations

Abstract

The processes of rectification and registration that conducted at the satellite images of the most important steps in images interpretation and extract information for use in various applications of remote sensing. There are things that must be observed before entering into the details of the operation. There are a number of important factors that must be considered. Such as the illumination angle, Sun- Earth distance varies throughout the year. In addition to the effects of environmental, climatic and weather such as cloud, haze, dusty weather, cover for one of the dates, that affect the nature of the scene this requires effort and extra work for the interpretation of these satellite images after removing the mistakes in them when captured by the satellite. The first process applied to the satellite image is the Pre-Processing process, and which includes radiometric and geometric corrections. In this paper, image to map registration method, of 1st order transform, has been performed to correct the SPOT image from geometric errors using geoimage of “UTM” projection. The total RMS error, which has been reached, was less than one meter,. The results were obtained using the ready program (ENVI).

Keywords

• image pre
• processing
• geometric correction
• map projection
• image transformation
• image rectification
• image resampling