Abstract
The aim of this paper is to highlight the relevance in computer vision of the pointwise Lipschitz regularity α∈ℝ. The regularity α gives a measure of the local regularity of the intensity function associated to an image. Known wavelet methods provide an efficient computation of α at contour points of the image. From a theoretical point of view, we study the effect of geometric deformations and other specific transformations applied to the image, showing invariance properties. From a practical point of view, we assess the robustness of the regularity α when the image undergoes various transformations. The results we obtain show the Lipschitz regularity α is a suitable feature for applications in computer vision.
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Damerval, C., Meignen, S. Study of a Robust Feature: The Pointwise Lipschitz Regularity. Int J Comput Vis 88, 363–381 (2010). https://doi.org/10.1007/s11263-009-0310-5
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DOI: https://doi.org/10.1007/s11263-009-0310-5