Sciweavers

65 search results - page 5 / 13
» Multi-Dimensional Representations - How Many Dimensions
Sort
View
FOCM
2010
122views more  FOCM 2010»
15 years 16 days ago
Scattering in Flatland: Efficient Representations via Wave Atoms
This paper presents a numerical compression strategy for the boundary integral equation of acoustic scattering in two dimensions. These equations have oscillatory kernels that we ...
Laurent Demanet, Lexing Ying
JMIV
2006
130views more  JMIV 2006»
15 years 3 months ago
Alternative 2D Shape Representations using the Symmetry Set
Among the many attempts made to represent families of 2D shapes in a simpler way, the Medial Axis (MA) takes a prominent place. Its graphical representation is intuitively appealin...
Arjan Kuijper, Ole Fogh Olsen, Peter J. Giblin, Ma...
TKDE
2010
251views more  TKDE 2010»
14 years 10 months ago
Exploring Correlated Subspaces for Efficient Query Processing in Sparse Databases
The sparse data is becoming increasingly common and available in many real-life applications. However, relative little attention has been paid to effectively model the sparse data ...
Bin Cui, Jiakui Zhao, Dongqing Yang
IPCV
2008
15 years 4 months ago
Face Recognition using PCA and LDA with Singular Value Decomposition (SVD)
Linear Discriminant Analysis(LDA) is well-known scheme for feature extraction and dimension reduction. It has been used widely in many applications involving high-dimensional data,...
Neeta Nain, Nitish Agarwal, Prashant Gour, Rakesh ...
JSCIC
2010
231views more  JSCIC 2010»
14 years 10 months ago
Geometric Applications of the Split Bregman Method: Segmentation and Surface Reconstruction
Variational models for image segmentation have many applications, but can be slow to compute. Recently, globally convex segmentation models have been introduced which are very rel...
Tom Goldstein, Xavier Bresson, Stanley Osher