Sciweavers

2124 search results - page 231 / 425
» Repairing Structurally Complex Data
Sort
View
ICANNGA
2007
Springer
100views Algorithms» more  ICANNGA 2007»
14 years 2 months ago
Softening Splits in Decision Trees Using Simulated Annealing
Predictions computed by a classification tree are usually constant on axis-parallel hyperrectangles corresponding to the leaves and have strict jumps on their boundaries. The densi...
Jakub Dvorák, Petr Savický
CAIP
1997
Springer
125views Image Analysis» more  CAIP 1997»
14 years 1 months ago
An Algorithm for Intrinsic Dimensionality Estimation
Abstract. In this paper a new method for analyzing the intrinsic dimensionality (ID) of low dimensional manifolds in high dimensional feature spaces is presented. The basic idea is...
Jörg Bruske, Gerald Sommer
AVI
2010
13 years 11 months ago
Showtime: increasing viewer understanding of dynamic network visualisations
Visualisations of dynamic networks are animated over time, reflecting changes in the underlying data structure. As viewers of these visualisations, it is up to us to accurately pe...
Ross Shannon, Aaron J. Quigley, Paddy Nixon
TVCG
2011
146views more  TVCG 2011»
13 years 5 months ago
Visibility Histograms and Visibility-Driven Transfer Functions
—Direct volume rendering is an important tool for visualizing complex data sets. However, in the process of generating 2D images from 3D data, information is lost in the form of ...
Carlos D. Correa, Kwan-Liu Ma
CVPR
2005
IEEE
15 years 8 days ago
A Bayesian Approach to Unsupervised Feature Selection and Density Estimation Using Expectation Propagation
We propose an approximate Bayesian approach for unsupervised feature selection and density estimation, where the importance of the features for clustering is used as the measure f...
Shaorong Chang, Nilanjan Dasgupta, Lawrence Carin