By Peer Stelldinger (auth.), Ullrich Köthe, Annick Montanvert, Pierre Soille (eds.)
This ebook constitutes the refereed complaints of the 1st Workshop on purposes of Discrete Geometry and Mathematical Morphology, WADGMM 2010, held on the overseas convention on development attractiveness in Istanbul, Turkey, in August 2010. The eleven revised complete papers awarded have been rigorously reviewed and chosen from 25 submissions. The publication was once in particular designed to advertise interchange and collaboration among specialists in discrete geometry/mathematical morphology and capability clients of those equipment from different fields of photograph research and development recognition.
Read Online or Download Applications of Discrete Geometry and Mathematical Morphology: First International Workshop, WADGMM 2010, Istanbul, Turkey, August 22, 2010, Revised Selected Papers PDF
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Extra resources for Applications of Discrete Geometry and Mathematical Morphology: First International Workshop, WADGMM 2010, Istanbul, Turkey, August 22, 2010, Revised Selected Papers
4(c). Then, we can consider the discrete lengths (Lhj i ,x0 ,y0 ) of the maximal segments on the subsampled shapes φxi 0 ,y0 (C) containing fix0 ,y0 (P ) with the increasing sequence of digitization grid steps hi = ih (see Fig. 4(a,b)). For a given subsampling size i, the average digital length of all the maximal hi segments containing the subsampled pixel is denoted as L . n (see Fig. 7(a,b)). According to (4) (resp. (5)), if P is located on a curved (resp. ﬂat) part, the slope of an aﬃne approximation of the multiscale proﬁle should be in [− 21 , − 13 ] (resp.
P be the normal vector to n Let S be a smooth surface (at least C 2 ). Let − the surface at a point p. Let Π be the plane which contains the normal vector − →p . Plane Π intersects S at a curve C containing p: the curvature kp of C at n →p , curve point p is called normal curvature at p. When plane Π turns around − n C varies. There are two extremal curvature values k1 (p) ≤ k2 (p) which bound the curvature values of all curves C. The corresponding curves C1 and C2 are orthogonal at point p .
E. with coarser and coarser grid steps. , n and with shift x0 , y0 . Several subsampling processes can be considered at this stage, but it is necessary to maintain a surjective map fix0 ,y0 which associates any point P of C to its image point in the subsampled contour φxi 0 ,y0 (C). Such a function is illustrated on Fig. 4(c). Then, we can consider the discrete lengths (Lhj i ,x0 ,y0 ) of the maximal segments on the subsampled shapes φxi 0 ,y0 (C) containing fix0 ,y0 (P ) with the increasing sequence of digitization grid steps hi = ih (see Fig.