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» On Positive Relational Calculi
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BILDMED
2007
115views Algorithms» more  BILDMED 2007»
13 years 9 months ago
A New Approach to Ultrasound Guided Radio-Frequency Needle Placement
The transformation from an ultrasound (US) image plane to the coordinate system of a position sensor attached to the US transducer can be computed with US calibration algorithms. T...
Claudio Alcérreca, Jakob Vogel, Marco Feuer...
MOC
1998
147views more  MOC 1998»
13 years 7 months ago
On the Diophantine equation |axn - byn | = 1
If a, b and n are positive integers with b ≥ a and n ≥ 3, then the equation of the title possesses at most one solution in positive integers x and y, with the possible exceptio...
Michael A. Bennett, Benjamin M. M. de Weger
EJC
2011
13 years 2 months ago
Bounds on generalized Frobenius numbers
Let N ≥ 2 and let 1 < a1 < · · · < aN be relatively prime integers. The Frobenius number of this N-tuple is defined to be the largest positive integer that has no re...
Lenny Fukshansky, Achill Schürmann
JUCS
2010
176views more  JUCS 2010»
13 years 6 months ago
An Approach to Generation of Decision Rules
: Classical classification and clustering based on equivalence relations are very important tools in decision-making. An equivalence relation is usually determined by properties of...
Zhang Mingyi, Danning Li, Zhang Ying
MOBIDE
2006
ACM
14 years 1 months ago
GPS-Free node localization in mobile wireless sensor networks
An important problem in mobile ad-hoc wireless sensor networks is the localization of individual nodes, i.e., each node’s awareness of its position relative to the network. In t...
Hüseyin Akcan, Vassil Kriakov, Hervé B...