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ForWaRD: Fourier-Wavelet Regularized Deconvolution for Ill-Conditioned Systems
We propose an efficient, hybrid <i>Fourier-Wavelet Regularized Deconvolution</i> (ForWaRD) algorithm that performs noise regularization via scalar shrinkage in both the Fourier and wavelet domains. The Fourier shrinkage ...
Directional Hypercomplex Wavelets for Multidimensional Signal Analysis and Processing
We extend the wavelet transform to handle multidimensional signals that are smooth save for singularities along lower-dimensional manifolds. We first generalize the complex wavelet transform to higher dimensions using a ...