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JMIV
2006
176views more  JMIV 2006»
15 years 6 months ago
Centroidal Voronoi Tessellation Algorithms for Image Compression, Segmentation, and Multichannel Restoration
Centroidal Voronoi tessellations (CVT's) are special Voronoi tessellations for which the generators of the tessellation are also the centers of mass (or means) of the Voronoi ...
Qiang Du, Max Gunzburger, Lili Ju, Xiaoqiang Wang
PVLDB
2008
77views more  PVLDB 2008»
15 years 6 months ago
Efficient network aware search in collaborative tagging sites
The popularity of collaborative tagging sites presents a unique opportunity to explore keyword search in a context where query results are determined by the opinion of a network o...
Sihem Amer-Yahia, Michael Benedikt, Laks V. S. Lak...
ICASSP
2011
IEEE
14 years 10 months ago
Detection of upper airway narrowing via classification of LPC coefficients: Implications for obstructive sleep apnea diagnosis
The similarities between unvoiced speech sounds and turbulent breath sounds were used to detect change in sound characteristics caused by narrowing of the upper airway (UA), simil...
Hisham Alshaer, Martha Garcia, M. Hossein Radfar, ...
EMNLP
2011
14 years 6 months ago
Unsupervised Dependency Parsing without Gold Part-of-Speech Tags
We show that categories induced by unsupervised word clustering can surpass the performance of gold part-of-speech tags in dependency grammar induction. Unlike classic clustering ...
Valentin I. Spitkovsky, Hiyan Alshawi, Angel X. Ch...
BPM
2009
Springer
258views Business» more  BPM 2009»
16 years 1 months ago
Activity Mining by Global Trace Segmentation
Process Mining is a technology for extracting non-trivial and useful information from execution logs. For example, there are many process mining techniques to automatically discove...
Christian W. Günther, Anne Rozinat, Wil M. P....