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CVPR
1996
IEEE
14 years 2 months ago
Sparse Representations for Image Decomposition with Occlusions
We study the problem of how to detect \interesting objects" appeared in a given image, I. Our approach is to treat it as a function approximation problem based on an over-red...
Michael J. Donahue, Davi Geiger, Tyng-Luh Liu, Rob...
COMBINATORICS
2006
126views more  COMBINATORICS 2006»
13 years 10 months ago
Bounding the Number of Edges in Permutation Graphs
Given an integer s 0 and a permutation Sn, let ,s be the graph on n vertices {1, . . . , n} where two vertices i < j are adjacent if the permutation flips their order and th...
Peter Keevash, Po-Shen Loh, Benny Sudakov
COMGEO
2007
ACM
13 years 10 months ago
An intersection-sensitive algorithm for snap rounding
Snap rounding is a method for converting arbitrary-precision arrangements of segments into fixed-precision representation. We present an algorithm for snap rounding with running ...
Mark de Berg, Dan Halperin, Mark H. Overmars
ALGORITHMICA
2005
110views more  ALGORITHMICA 2005»
13 years 10 months ago
Biased Skip Lists
We design a variation of skip lists that performs well for generally biased access sequences. Given n items, each with a positive weight wi, 1 i n, the time to access item i is O...
Amitabha Bagchi, Adam L. Buchsbaum, Michael T. Goo...
SYNTHESE
2008
71views more  SYNTHESE 2008»
13 years 10 months ago
Categories for the working mathematician: making the impossible possible
This paper discusses the notion of necessity in the light of results from contemporary mathematical practice. Two descriptions of necessity are considered. According to the first, ...
Jessica Carter