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CORR
2007
Springer
167views Education» more  CORR 2007»
15 years 6 months ago
Optimal Solutions for Sparse Principal Component Analysis
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a linear combination of the input variables while constraining the number of nonze...
Alexandre d'Aspremont, Francis R. Bach, Laurent El...
PAMI
2006
134views more  PAMI 2006»
15 years 6 months ago
A Genetic Algorithm Using Hyper-Quadtrees for Low-Dimensional K-means Clustering
The k-means algorithm is widely used for clustering because of its computational efficiency. Given n points in d-dimensional space and the number of desired clusters k, k-means see...
Michael Laszlo, Sumitra Mukherjee
IJSM
2007
85views more  IJSM 2007»
15 years 6 months ago
Constraint Modeling for Curves and Surfaces in CAGD: a Survey
Computer-Aided Geometric Design modelers are now based on powerful mathematical curve and surface models, but there is still a considerable need for efficient tools to handle, ana...
Vincent Cheutet, Marc Daniel, Stefanie Hahmann, Ra...
CCR
2004
113views more  CCR 2004»
15 years 6 months ago
Implementing aggregation and broadcast over Distributed Hash Tables
Peer-to-peer (P2P) networks represent an effective way to share information, since there are no central points of failure or bottleneck. However, the flip side to the distributive...
Ji Li, Karen R. Sollins, Dah-Yoh Lim
CVGIP
2004
175views more  CVGIP 2004»
15 years 6 months ago
A subdivision-based deformable model for surface reconstruction of unknown topology
This paper presents a surface reconstruction algorithm that can recover correct shape geometry as well as its unknown topology from both volumetric images and unorganized point cl...
Ye Duan, Hong Qin