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Pixel-scale fine details are often lost during image processing tasks such as image reduction and filtering. Block or region based algorithms typically rely on averaging functions to implement the required operation and traditional function choices struggle to preserve small, spatially cohesive clusters of pixels which may be corrupted by noise. This article proposes the construction of fuzzy measures...
Wavelet transform (WT) was applied to de-noise Raman spectra. A simulated noisy Raman spectrum and the experimental Raman spectrum of benzene were de-noised using the level thresholding method and the interval thresholding method. The de-noising performances of the two methods were compared. The results showed that the interval thresholding method is more satisfactory than the level thresholding method,...
Medical image registration methods based on the maximization of mutual information have shown promising results. But it needs much computing time. This paper presents a new method to rigid registration based on the combination of scale images and mutual information. Firstly, the concept of area morphology is introduced. And then, the scale images are constructed with the area morphological operators...
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