We consider the intensity surface of a 2D image, we study the evolution of the symmetry sets (and medial axes) of 1-parameter families of iso-intensity curves. This extends the investigation done on 1-parameter families of smooth plane curves (Bruce and Giblin, Giblin and Kimia, etc.) to the general case when the family of curves includes a singular member, as will happen if the curves are obtained by taking plane sections of a smooth surface, at the moment when the plane becomes tangent to the surface. © Springer-Verlag Berlin Heidelberg 2005.
CITATION STYLE
Diatta, A., & Giblin, P. (2005). Geometry of isophote curves. In Lecture Notes in Computer Science (Vol. 3459, pp. 50–51). Springer Verlag. https://doi.org/10.1007/11408031_5
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