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We analyze the noise sensitivity of a new singularity index that was designed to detect impulse singularities in signals of arbitrary dimensionality while rejecting step-like singularities see Muralidhar <etal/>, IEEE Signal Process. Lett., vol. 20, no. 1, pp. 7–10, 2013 and Muralidhar <etal/>, Proc. IEEE Int. Conf. Image Process., 2012. For example, the index responds strongly to curvilinear...
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