Image registration techniques for multimodal sensors

Tevfik Altinalev; Enis A. Cetin; Yasemin C. Yardimci

doi:10.1117/12.478536

7 August 2002 Image registration techniques for multimodal sensors

Tevfik Altinalev, Enis A. Cetin, Yasemin C. Yardimci

Proceedings Volume 4728, Signal and Data Processing of Small Targets 2002; (2002) https://doi.org/10.1117/12.478536
Event: AeroSense 2002, 2002, Orlando, FL, United States

Abstract

Image registration refers to the problem of spatially aligning two or more images. A challenging problem in this area is the registration of images obtained by different types of sensors. In general such images have different gray level characteristics and commonly used techniques such as those based on area correlations cannot be applied directly. On the other hand, contours representing the region boundaries are preserved in most cases. Therefore, contour based registration techniques are applicable to multimodal sensors. In this paper, various registration techniques based on subband decomposition and projection along x and y directions are introduced. The effect of binarization is investigated. Unknown translation and scaling parameters are computed using cross-correlation methods over the projections. Performance of the algorithms is compared.

Citation Download Citation

Tevfik Altinalev, Enis A. Cetin, and Yasemin C. Yardimci "Image registration techniques for multimodal sensors", Proc. SPIE 4728, Signal and Data Processing of Small Targets 2002, (7 August 2002); https://doi.org/10.1117/12.478536

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