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ICML
2004
IEEE
16 years 6 days ago
Optimising area under the ROC curve using gradient descent
This paper introduces RankOpt, a linear binary classifier which optimises the area under the ROC curve (the AUC). Unlike standard binary classifiers, RankOpt adopts the AUC stat...
Alan Herschtal, Bhavani Raskutti
SAC
2003
ACM
16 years 1 days ago
Improving Image Retrieval Effectiveness in Query-by-Example Environment
Query-by-example is the most popular query model for today’s image retrieval systems. A typical query image contains not only relevant objects (e.g., Eiffel Tower), but also ir...
Khanh Vu, Kien A. Hua, Ning Jiang
ER
2003
Springer
142views Database» more  ER 2003»
16 years 14 hour ago
An OPM-Based Metamodel of System Development Process
A modeling and development methodology is a combination of a language for expressing the universal or domain ontology and an approach for developing systems using that language. A ...
Dov Dori, Iris Reinhartz-Berger
CVPR
2010
IEEE
15 years 12 months ago
Visual Tracking via Weakly Supervised Learning from Multiple Imperfect Oracles
Long-term persistent tracking in ever-changing environments is a challenging task, which often requires addressing difficult object appearance update problems. To solve them, most...
Bineng Zhong, Hongxun Yao, Sheng Chen, Xiaotong Yu...
CHI
2010
ACM
15 years 12 months ago
Cultural difference in image tagging
Do people from different cultures tag digital images differently? The current study compared the content of tags for digital images created by two cultural groups: European Americ...
Wei Dong, Wai-Tat Fu