Evaluation and Practical Issues of Subpixel Image Registration Using Phase Correlation Methods
نویسندگان
چکیده
In this study we first propose and compare two frequencydomain motion estimation methods using phase correlation principle. Then, we focus on the particular case of subpixel translational movements, we evaluate the accuracy of these two registration methods and we give some practical hints for their implementation. Finally, we compare the performances of these methods for both an ideal theoretical case and for real images.
منابع مشابه
Registration of multidimensional image data via subpixel resolution phase correlation
This method is an extension of the phase correlation method for image registration to multi-dimensional data sets. Through use of a high-order singular value decomposition, phase correlation can be used to identify translational displacements independently along each dimension with subpixel resolution. The validity of this approach is demonstrated using multiple 3D MRI data sets.
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