Sciweavers

4629 search results - page 576 / 926
» Space Kernel Analysis
Sort
View
PKDD
2010
Springer
160views Data Mining» more  PKDD 2010»
15 years 6 months ago
Sparse Unsupervised Dimensionality Reduction Algorithms
Abstract. Principal component analysis (PCA) and its dual—principal coordinate analysis (PCO)—are widely applied to unsupervised dimensionality reduction. In this paper, we sho...
Wenjun Dou, Guang Dai, Congfu Xu, Zhihua Zhang
178
Voted
DRR
2009
15 years 5 months ago
Online computation of similarity between handwritten characters
We are interested in the problem of curve identification, motivated by problems in handwriting recognition. Various geometric approaches have been proposed, with one of the most p...
Oleg Golubitsky, Stephen M. Watt
202
Voted
ICDAR
2009
IEEE
15 years 5 months ago
Using top n Recognition Candidates to Categorize On-line Handwritten Documents
The traditional weighting schemes used in text categorization for the vector space model (VSM) cannot exploit information intrinsic to texts obtained through on-line handwriting r...
Sebastián Peña Saldarriaga, Emmanuel...
205
Voted
ICDAR
2009
IEEE
15 years 5 months ago
Logo Detection in Document Images Based on Boundary Extension of Feature Rectangles
A new method of logo detection in document images is proposed in this paper. It is based on the boundary extension of feature rectangles of which the definition is also given in t...
Hongye Wang, Youbin Chen
ICASSP
2011
IEEE
14 years 11 months ago
Dual frame of frequency warping operators
In this work we introduce the dual frame operator relative to the aliasing compensated frequency warping operator for nonsmooth warping functions. Except for approximation errors,...
Salvatore Caporale, Nicolo Speciale