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SMI
2006
IEEE
144views Image Analysis» more  SMI 2006»
15 years 9 months ago
Robust Alignment of Multi-view Range Data to CAD Model
Surface matching is a common task in computer graphics and computer vision. In this paper, we introduce a novel algorithm that aligns scanned point-based surfaces to the related 3...
Xinju Li, Igor Guskov, Jacob Barhak
143
Voted
FOCS
2007
IEEE
15 years 9 months ago
Lower Bounds on Streaming Algorithms for Approximating the Length of the Longest Increasing Subsequence
We show that any deterministic data-stream algorithm that makes a constant number of passes over the input and gives a constant factor approximation of the length of the longest i...
Anna Gál, Parikshit Gopalan
COMPGEOM
2000
ACM
15 years 7 months ago
When crossings count - approximating the minimum spanning tree
We present an (1+ε)-approximation algorithm for computing the minimum-spanning tree of points in a planar arrangement of lines, where the metric is the number of crossings betwee...
Sariel Har-Peled, Piotr Indyk
126
Voted
ALGORITHMICA
1999
102views more  ALGORITHMICA 1999»
15 years 3 months ago
Approximating Latin Square Extensions
In this paper, we consider the following question: what is the maximum number of entries that can be added to a partially lled latin square? The decision version of this question ...
Ravi Kumar, Alexander Russell, Ravi Sundaram
137
Voted
IPL
2002
118views more  IPL 2002»
15 years 3 months ago
Lower bounds for approximate polygon decomposition and minimum gap
We consider the problem of decomposing polygons (with holes) into various types of simpler polygons. We focus on the problem of partitioning a rectilinear polygon, with holes, int...
Joachim Gudmundsson, Thore Husfeldt, Christos Levc...