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Proposed optimization scheme for shot noise reduction based on the Kovesi NW filter. The resulting filter is called the Optimized Non-orthogonal Wavlet (ONW) filter. In ONW, a user-defined ROI is matched against a co-located ROI in the smallest scale reconstruction to compute an image dissimilarity measure. The parameters that generate the wavelet filter bank are varied through empirically determined ranges to minimize this dissimilarity measure.
