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CGI
2004
IEEE
15 years 10 months ago
Computing Polygonal Surfaces from Unions of Balls
We present a new algorithm for computing a polygonal surface from a union of balls. The method computes and connects the singular points of a given union of balls in an efficient ...
Roger C. Tam, Wolfgang Heidrich
JVCIR
2006
98views more  JVCIR 2006»
15 years 6 months ago
Vector sigma filters for noise detection and removal in color images
This paper presents a new adaptive filtering approach capable of detecting and removing impulsive noise in multichannel images. The proposed methodology constitutes a powerful uni...
Rastislav Lukac, Bogdan Smolka, Konstantinos N. Pl...
AUTOMATICA
2002
87views more  AUTOMATICA 2002»
15 years 6 months ago
Variable structure control of systems with uncertain nonlinear friction
A new approach to control system design for systems containing sandwiched, uncertain, non-smooth friction is proposed. The method is based on a multi-state backstepping approach t...
Harry G. Kwatny, Carole Teolis, M. Mattice
CORR
2004
Springer
76views Education» more  CORR 2004»
15 years 6 months ago
Improved Upper Bound for the Redundancy of Fix-Free Codes
A variable-length code is a fix-free code if no codeword is a prefix or a suffix of any other codeword. In a fix-free code any finite sequence of codewords can be decoded in both d...
Sergey Yekhanin
JCC
2002
74views more  JCC 2002»
15 years 6 months ago
Improved RGF method to find saddle points
: The predictor-corrector method for following a reduced gradient (RGF) to determine saddle points [Quapp, W. et al., J Comput Chem 1998, 19, 1087] is further accelerated by a modi...
Michael Hirsch, Wolfgang Quapp