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CVPR
2008
IEEE
16 years 8 months ago
Boosting ordinal features for accurate and fast iris recognition
In this paper, we present a novel iris recognition method based on learned ordinal features.Firstly, taking full advantages of the properties of iris textures, a new iris represen...
Zhaofeng He, Zhenan Sun, Tieniu Tan, Xianchao Qiu,...
ICIP
2001
IEEE
16 years 8 months ago
A hierarchical image authentication watermark with improved localization and security
Several fragile watermarking schemes presented in the literature are either vulnerable to vector quantization (VQ) counterfeiting attacks or sacrifice localization accuracy to imp...
Mehmet Utku Celik, Gaurav Sharma, Eli Saber, A. Mu...
WWW
2004
ACM
16 years 7 months ago
Outlink estimation for pagerank computation under missing data
The enormity and rapid growth of the web-graph forces quantities such as its pagerank to be computed under missing information consisting of outlinks of pages that have not yet be...
Sreangsu Acharyya, Joydeep Ghosh
KDD
2001
ACM
211views Data Mining» more  KDD 2001»
16 years 7 months ago
Magical thinking in data mining: lessons from CoIL challenge 2000
CoIL challenge 2000 was a supervised learning contest that attracted 43 entries. The authors of 29 entries later wrote explanations of their work. This paper discusses these repor...
Charles Elkan
SDM
2009
SIAM
184views Data Mining» more  SDM 2009»
16 years 3 months ago
DensEst: Density Estimation for Data Mining in High Dimensional Spaces.
Subspace clustering and frequent itemset mining via “stepby-step” algorithms that search the subspace/pattern lattice in a top-down or bottom-up fashion do not scale to large ...
Emmanuel Müller, Ira Assent, Ralph Krieger, S...