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ALENEX
2001
215views Algorithms» more  ALENEX 2001»
13 years 8 months ago
An Empirical Study of a New Approach to Nearest Neighbor Searching
In nearest neighbor searching we are given a set of n data points in real d-dimensional space, d , and the problem is to preprocess these points into a data structure, so that give...
Songrit Maneewongvatana, David M. Mount
SIAMSC
2008
237views more  SIAMSC 2008»
13 years 6 months ago
A Variational Shape Optimization Approach for Image Segmentation with a Mumford--Shah Functional
We introduce a novel computational method for a Mumford-Shah functional, which decomposes a given image into smooth regions separated by closed curves. Casting this as a shape opti...
Günay Dogan, Pedro Morin, Ricardo H. Nochetto
ICUMT
2009
13 years 4 months ago
sDLS - Distributed Least Squares localization for large Wireless Sensor Networks
Wireless Sensor Networks (WSNs) have been of high interest during the past couple of years. One of the most important aspect of WSN research is location estimation. As a good solut...
Ralf Behnke, Jakob Salzmann, Dominik Lieckfeldt, D...
VLDB
2005
ACM
397views Database» more  VLDB 2005»
14 years 7 months ago
Concurrency control and recovery for balanced B-link trees
Abstract. In this paper we present new concurrent and recoverable B-link-tree algorithms. Unlike previous algorithms, ours maintain the balance of the B-link tree at all times, so ...
Ibrahim Jaluta, Seppo Sippu, Eljas Soisalon-Soinin...
STORAGESS
2006
ACM
14 years 25 days ago
Long-term threats to secure archives
Archival storage systems are designed for a write-once, read-maybe usage model which places an emphasis on the long-term preservation of their data contents. In contrast to tradit...
Mark W. Storer, Kevin M. Greenan, Ethan L. Miller