Liu Hui's π algorithm

Known as: Liu Hui's pi algorithm, Π algorithm 
Liu Hui's π algorithm was invented by Liu Hui (fl. 3rd century), a mathematician of the Wei Kingdom. Before his time, the ratio of the circumference… (More)
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2013
2013
Hyperspectral endmember extraction is a process to estimate endmember signatures from the hyperspectral observations, in an… (More)
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Highly Cited
2010
Highly Cited
2010
Path queries such as "finding the shortest path in travel time from my hotel to the airport" are heavily used in many… (More)
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2008
2008
In this paper, we propose a novel carrier frequency offset (CFO) tracking algorithm for orthogonal frequency division… (More)
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2003
2003
Individual taxa or groups of taxa can be traces across multiple trees. The viewer uses the Open Inventor graphics API to generate… (More)
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2002
2002
We consider the problem of counting the interior edge crossings when a bipartite graph G = (V, E) with node set V and edge set E… (More)
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Highly Cited
2001
Highly Cited
2001
We introduce a method that aims to nd the global minimum of a continuous nonconvex function on a compact subset of IR d. It is… (More)
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2001
2001
Computations of irregular primes and associated cyclotomic invariants were extended to all primes up to 12 million using… (More)
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Highly Cited
1993
Highly Cited
1993
where fk is the current approximation, and Rk f the current residual (error). Using initial values of Ro f = f , fo = 0, and k… (More)
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Highly Cited
1991
Highly Cited
1991
An investigation into the use of Bayesian learning of the parameters of a multivariate Gaassian mixture density has been carried… (More)
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Highly Cited
1985
Highly Cited
1985
A class of learning tasks is described that combines aspects of learning automation tasks and supervised learning pattern… (More)
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