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» On the complexity and approximation of syntenic distance
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WSCG
2003
170views more  WSCG 2003»
13 years 9 months ago
Hardware Accelerated Point Rendering of Isosurfaces
Interactive volume sculpting and volume editing often employ surface based visualization techniques, and interactive applications require fast generation and rendering of surface ...
J. Andreas Bærentzen, Niels Jørgen Ch...
POPL
2006
ACM
14 years 8 months ago
A hierarchical model of data locality
In POPL 2002, Petrank and Rawitz showed a universal result-finding optimal data placement is not only NP-hard but also impossible to approximate within a constant factor if P = NP...
Chengliang Zhang, Chen Ding, Mitsunori Ogihara, Yu...
ESANN
2006
13 years 9 months ago
Data topology visualization for the Self-Organizing Map
The Self-Organizing map (SOM), a powerful method for data mining and cluster extraction, is very useful for processing data of high dimensionality and complexity. Visualization met...
Kadim Tasdemir, Erzsébet Merényi
CIKM
2007
Springer
14 years 1 months ago
Nugget discovery in visual exploration environments by query consolidation
Queries issued by casual users or specialists exploring a data set often point us to important subsets of the data, be it clusters, outliers or other features of particular import...
Di Yang, Elke A. Rundensteiner, Matthew O. Ward
SBCCI
2003
ACM
129views VLSI» more  SBCCI 2003»
14 years 26 days ago
Hyperspectral Images Clustering on Reconfigurable Hardware Using the K-Means Algorithm
Unsupervised clustering is a powerful technique for understanding multispectral and hyperspectral images, being k-means one of the most used iterative approaches. It is a simple th...
Abel Guilhermino S. Filho, Alejandro César ...