Comparison of Direct and Indirect Georeferencing Methods Using Satellite Linear Array Iimages

Izadipour, Ahmad; Akbari, Bhzad; Sharifi, Ali Reza; Yousefzade, Meysam

Authors

¹ Faculty of Electrical and Computer Engineering, Tarbiat Modares University, Tehran, IRAN

² Faculty of Surveying and Spatial Information Engineering, University of Tehran, Tehran, Iran

³ Faculty of Geographic Information Sciences and Earth Observations, University of Tonte, Netherlands, Netherlands.

Abstract

Comparison of direct and indirect methods for georeferencing of satellite linear array stereo images is proposed in this paper. In direct method, collinear condition and orbital elements are used for geolocation of pixels and ground control points (GCPs) are used in indirect method. After geolocation of initial points, a polynomial transformation is used to change pixels coordinates into corresponding geographical values. We validate these methods through experiment with SPOT-4 and IRS-P6 images. Experimental results indicate that indirect method can be used for georeferencing of satellite linear array images and the accuracy is as much as or even better than that of the direct method but it is time- and cost-consuming and also needs operator.

Keywords

References

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Space Science and Technology

Comparison of Direct and Indirect Georeferencing Methods Using Satellite Linear Array Iimages

References

References

Volume 8, Issue 2 - Serial Number 23
July 2015
Pages 1-10

Comparison of Direct and Indirect Georeferencing Methods Using Satellite Linear Array Iimages

References

References

Volume 8, Issue 2 - Serial Number 23July 2015Pages 1-10

Volume 8, Issue 2 - Serial Number 23
July 2015
Pages 1-10