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» Classification with Scattering Operators
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SCANGIS
2001
14 years 11 months ago
Improving relief classification with contextual merging
Automatic classification of relief attributes into meaningful morphological units has a great potential within the field of geomorphology. When applying common classification algor...
Bård Romstad
97
Voted
SIBGRAPI
2005
IEEE
15 years 3 months ago
A Maximum Uncertainty LDA-Based Approach for Limited Sample Size Problems : With Application to Face Recognition
A critical issue of applying Linear Discriminant Analysis (LDA) is both the singularity and instability of the within-class scatter matrix. In practice, particularly in image recog...
Carlos E. Thomaz, Duncan Fyfe Gillies
128
Voted
HIP
2005
Springer
208views Cryptology» more  HIP 2005»
15 years 3 months ago
A Highly Legible CAPTCHA That Resists Segmentation Attacks
A CAPTCHA which humans find to be highly legible and which is designed to resist automatic character–segmentation attacks is described. As first detailed in [BR05], these ‘Sc...
Henry S. Baird, Michael A. Moll, Sui-Yu Wang
101
Voted
ICCV
2011
IEEE
13 years 9 months ago
Fisher Discrimination Dictionary Learning for Sparse Representation
Sparse representation based classification has led to interesting image recognition results, while the dictionary used for sparse coding plays a key role in it. This paper present...
Meng Yang, Lei Zhang, Xiangchu Feng, David Zhang
GECCO
2006
Springer
173views Optimization» more  GECCO 2006»
15 years 1 months ago
Sets of receiver operating characteristic curves and their use in the evaluation of multi-class classification
Within the last two decades, Receiver Operating Characteristic (ROC) Curves have become a standard tool for the analysis and comparison of classifiers since they provide a conveni...
Stephan M. Winkler, Michael Affenzeller, Stefan Wa...