1594 search results - page 44 / 319 » Sampling and Reconstruction of Operators |
RECOMB
2001
Springer
14 years 8 months ago
2001
Springer
We present a novel distance-based algorithm for evolutionary tree reconstruction. Our algorithm reconstructs the topology of a tree with n leaves in O(n2 ) time using O(n) working...
INFOCOM
2003
IEEE
14 years 1 months ago
2003
IEEE
In this paper, we consider the problem of detecting an intruding packet in a communication network. Detection is accomplished by sampling a portion of the packets transiting selec...
EDBT
2006
ACM
13 years 9 months ago
2006
ACM
Random sampling is a well-known technique for approximate processing of large datasets. We introduce a set of algorithms for incremental maintenance of large random samples on seco...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this work we introduce the dual frame operator relative to the aliasing compensated frequency warping operator for nonsmooth warping functions. Except for approximation errors,...
SIAMIS
2010
13 years 6 months ago
2010
We propose two algorithms based on Bregman iteration and operator splitting technique for nonlocal TV regularization problems. The convergence of the algorithms is analyzed and ap...