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Automatic Image Registration Using Mexican Hat Wavelet, Invariant Moment, and Radon Transform

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Author(s): Jignesh N Sarvaiya | Dr. Suprava Patnaik

Journal: International Journal of Advanced Computer Sciences and Applications
ISSN 2156-5570

Volume: Special;
Issue: Image Proc.;
Date: 2011;
Original page

Keywords: Image Registration | Mexican-hat wavelet | Invariant Moments | Radon Transform

ABSTRACT
Image registration is an important and fundamental task in image processing used to match two different images. Given two or more different images to be registered, image registration estimates the parameters of the geometrical transformation model that maps the sensed images back to its reference image. A feature-based approach to automated image-to-image registration is presented. The characteristic of this approach is that it combines Mexican-Hat Wavelet, Invariant Moments and Radon Transform. Feature Points from both images are extracted using Mexican-Hat Wavelet and control-point correspondence is achieved with invariant moments. After detecting corresponding control points from reference and sensed images, to recover scaling and rotation a line and triangle is form in both images respectively and applied radon transform to register images.
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Tango Rapperswil
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