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http://dx.doi.org/10.5573/ieek.2013.50.4.137

Enhancement of Spatial Resolution to Local Area for High Resolution Satellite Imagery  

Kang, Ji-Yun (Department of Information Communications Engineering, ChungNam National University)
Kim, Ihn-Cheol (Department of Information Communications Engineering, ChungNam National University)
Kim, Jea-Hee (Department of Information Communications Engineering, ChungNam National University)
Park, Jong Won (Department of Information Communications Engineering, ChungNam National University)
Publication Information
Journal of the Institute of Electronics and Information Engineers / v.50, no.4, 2013 , pp. 137-143 More about this Journal
Abstract
The high resolution satellite images are used in many fields such as weather observation, remote sensing, military facilities monitoring, cultural properties protection etc. Although satellite images are obtained in same satellite imaging system, the satellite images are degraded depending on the condition of hardware(optical device, satellite operation altitude, image sensor, etc.). Due to the fact that changing the hardware of satellite imaging system is impossible for resolution enhancement of these degraded satellite after launching a satellite, therefore the method of resolution enhancement with satellite images is necessary. In this paper the resolution is enhances by using a Super Resolution(SR) algorithm. The SR algorithm is an algorithm to enhance the resolution of an image by uniting many low resolution images, so an output image has higher resolution than using other interpolation methods. But It is difficult to obtain many images of the same area. Therefore, to solve this problem, we applied SR after by applying the affine and projection transform. As a results, we found that the images applied SR after affine and projection transform have higher resolution than the images only applied SR.
Keywords
Super Resolution; Image Registration; Satellite Imagery; Spatial Resolution Enhancement;
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