388 search results - page 41 / 78 » Unsupervised Discriminant Projection Analysis for Feature Ex... |
105
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WWW
2010
ACM
15 years 4 months ago
2010
ACM
An unsupervised clustering of the webpages on a website is a primary requirement for most wrapper induction and automated data extraction methods. Since page content can vary dras...
SIBGRAPI
2003
IEEE
2003
IEEE
Using Efficient Visual Exploration Techniques to Evaluate Features for Content-Based Image Retrieval
15 years 3 months ago
This paper presents a novel visual approach to evaluate, in a fast and effective way, the development of new image feature extraction techniques concerning content-based image ret...
100
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MM
2006
ACM
15 years 3 months ago
2006
ACM
In many image retrieval applications, the mapping between highlevel semantic concept and low-level features is obtained through a learning process. Traditional approaches often as...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
In this paper, a new method of feature extraction with rotation invariant property is presented. One of the main contributions of this study is that a rotation invariant signature...
IJON
2008
14 years 9 months ago
2008
In many computer vision tasks like face recognition and image retrieval, one is often confronted with high-dimensional data. Procedures that are analytically or computationally ma...