Sciweavers

4114 search results - page 219 / 823
» Efficient Algorithms for the 2-Center Problems
Sort
View
TMI
2002
115views more  TMI 2002»
15 years 6 months ago
Discretization of the Radon transform and of its inverse by spline convolutions
Abstract--We present an explicit formula for B-spline convolution kernels; these are defined as the convolution of several B-splines of variable widths and degrees . We apply our r...
Stefan Horbelt, Michael Liebling, Michael Unser
STOC
2010
ACM
168views Algorithms» more  STOC 2010»
16 years 3 months ago
Non-commutative circuits and the sum-of-squares problem
We initiate a direction for proving lower bounds on the size of non-commutative arithmetic circuits. This direction is based on a connection between lower bounds on the size of no...
Pavel Hrubes, Avi Wigderson and Amir Yehudayoff
SODA
2000
ACM
85views Algorithms» more  SODA 2000»
15 years 7 months ago
Real scaled matching
Real Scaled Matching is the problem of finding all locations in the text where the pattern, proportionally enlarged according to an arbitrary real-sized scale, appears. Real scale...
Amihood Amir, Ayelet Butman, Moshe Lewenstein
CIKM
2010
Springer
15 years 1 months ago
Mining networks with shared items
Recent advances in data processing have enabled the generation of large and complex graphs. Many researchers have developed techniques to investigate informative structures within...
Jun Sese, Mio Seki, Mutsumi Fukuzaki
PR
2006
111views more  PR 2006»
15 years 6 months ago
An adaptive error penalization method for training an efficient and generalized SVM
A novel training method has been proposed for increasing efficiency and generalization of support vector machine (SVM). The efficiency of SVM in classification is directly determi...
Yiqiang Zhan, Dinggang Shen