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JSC
2008
126views more  JSC 2008»
15 years 2 months ago
Computing singular points of plane rational curves
We compute the singular points of a plane rational curve, parametrically given, using the implicitization matrix derived from the -basis of the curve. It is shown that singularity...
Falai Chen, Wenping Wang, Yang Liu
ECCV
2006
Springer
16 years 6 months ago
Degen Generalized Cylinders and Their Properties
Generalized cylinder (GC) has played an important role in computer vision since it was introduced in the 1970s. While studying GC models in human visual perception of shapes from c...
Liangliang Cao, Jianzhuang Liu, Xiaoou Tang
MVA
1992
15 years 5 months ago
Contour Map Reconstruction via Multi-Module Parallel Computational Scheme
Module-1 :Computation of gradient directions. Reconstruction of a set of imperfect contour curves which is extracted :Assignment of discreteheight to contourcurves. from a topograp...
Miyuki Kawashima, Ryuji Tokunaga, Yuzo Hirai
CTRSA
2005
Springer
78views Cryptology» more  CTRSA 2005»
15 years 10 months ago
New Minimal Weight Representations for Left-to-Right Window Methods
For an integer w ≥ 2, a radix 2 representation is called a width-w nonadjacent form (w-NAF, for short) if each nonzero digit is an odd integer with absolute value less than 2w−...
James A. Muir, Douglas R. Stinson
CAD
2006
Springer
15 years 4 months ago
An example on approximation by fat arcs and fat biarcs
Fat arcs form bounding boxes for planar curves. An example on approximation by fat arcs, provided by Qun and Rokne, is corrected. The third derivative of the given curve segment u...
Jun-Hai Yong, Xiao Chen, Jean-Claude Paul