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Use of wavelets for image registration

机译:使用小波进行图像配准

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Abstract: Wavelet-based image registration has previously been proposed by the authors. In previous work, maxima obtained from orthogonal Daybooks filters as well as from Simoncelli steerable filters were utilized and compared to register images in a multi-resolution fashion. The first comparative results between both types of filters showed that despite the lack of translation-invariance of the orthogonal filters, both types of filters gave very encouraging results for non-noisy data and small transformations. But the accuracy obtained with orthogonal filters seemed to degrade very quickly for large rotations and large amounts of noise, while results obtained with steerable filters appeared much more stable under these conditions. In this work, we are performing a systematic study of the robustness of such methods as a function of translation, rotation and noise parameters, for both types of filters and using data form the Landsat/Thematic Mapper. !24
机译:摘要:作者先前已经提出了基于小波的图像配准。在以前的工作中,利用了从正交Daybooks滤镜和Simoncelli可控滤镜获得的最大值,并进行了比较,以多分辨率方式配准图像。两种类型的滤波器之间的第一个比较结果表明,尽管缺少正交滤波器的平移不变性,但两种类型的滤波器对于非噪声数据和小变换都给出了非常令人鼓舞的结果。但是,对于较大的旋转和大量的噪声,使用正交滤波器获得的精度似乎会很快下降,而在这些条件下,使用可转向滤波器获得的结果似乎要稳定得多。在这项工作中,我们正在对两种类型的过滤器以及使用Landsat / Thematic Mapper的数据进行的平移,旋转和噪声参数函数的鲁棒性的系统研究。 !24

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