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DEXAW
2009
IEEE
173views Database» more  DEXAW 2009»
14 years 4 months ago
Automatic Cluster Number Selection Using a Split and Merge K-Means Approach
Abstract—The k-means method is a simple and fast clustering technique that exhibits the problem of specifying the optimal number of clusters preliminarily. We address the problem...
Markus Muhr, Michael Granitzer
IWPEC
2009
Springer
14 years 4 months ago
Even Faster Algorithm for Set Splitting!
In the p-Set Splitting problem we are given a universe U, a family F of subsets of U and a positive integer k and the objective is to find a partition of U into W and B such that...
Daniel Lokshtanov, Saket Saurabh
MLQ
2008
63views more  MLQ 2008»
13 years 9 months ago
The stationary set splitting game
The stationary set splitting game is a game of perfect information of length 1 between two players, unsplit and split, in which unsplit chooses stationarily many countable ordinal...
Paul B. Larson, Saharon Shelah
ICIP
2004
IEEE
14 years 11 months ago
Shape-adaptive coding using binary set splitting with k-d trees
The binary set splitting with k-d trees (BISK) algorithm is introduced. An embedded wavelet-based image coder based on the popular bitplane-coding paradigm, BISK is designed speci...
James E. Fowler
SIAMCOMP
2008
75views more  SIAMCOMP 2008»
13 years 9 months ago
Splitting NP-Complete Sets
We show that a set is m-autoreducible if and only if it is m-mitotic. This solves a long standing open question in a surprising way. As a consequence of this unconditional result a...
Christian Glaßer, Aduri Pavan, Alan L. Selma...