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VISSYM
2003
14 years 11 months ago
Adaptive Smooth Scattered Data Approximation for Large-scale Terrain Visualization
We present a fast method that adaptively approximates large-scale functional scattered data sets with hierarchical B-splines. The scheme is memory efficient, easy to implement an...
Martin Bertram, Xavier Tricoche, Hans Hagen
IM
2007
14 years 9 months ago
Approximating Personalized PageRank with Minimal Use of Web Graph Data
Abstract. In this paper, we consider the problem of calculating fast and accurate approximations to the personalized PageRank score of a webpage. We focus on techniques to improve ...
David Gleich, Marzia Polito
ASPDAC
2006
ACM
99views Hardware» more  ASPDAC 2006»
15 years 3 months ago
Programmable numerical function generators based on quadratic approximation: architecture and synthesis method
— This paper presents an architecture and a synthesis method for programmable numerical function generators (NFGs) for trigonometric, logarithmic, square root, and reciprocal fun...
Shinobu Nagayama, Tsutomu Sasao, Jon T. Butler
CIARP
2004
Springer
15 years 1 months ago
New Bounds and Approximations for the Error of Linear Classifiers
In this paper, we derive lower and upper bounds for the probability of error for a linear classifier, where the random vectors representing the underlying classes obey the multivar...
Luís G. Rueda
WSCG
2003
136views more  WSCG 2003»
14 years 11 months ago
Piecewise Circular Approximation of Spirals and Polar Polynomials
Spirals are surprisingly common in science, nature, physics, astronomy, flora and fauna, and the arts. In Cartesian coordinates they are typically transcendental functions, which ...
Francesca Taponecco, Marc Alexa