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Boosting in the presence of label noise

机译:出现标签噪音时增强效果

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摘要

Boosting is known to be sensitive to label noise. We studied two approaches to improve AdaBoost's robustness against labelling errors. One is to employ a label-noise robust classifier as a base learner, while the other is to modify the AdaBoost algorithm to be more robust. Empirical evaluation shows that a committee of robust classifiers, although converges faster than non label-noise aware AdaBoost, is still susceptible to label noise. However, pairing it with the new robust Boosting algorithm we propose here results in a more resilient algorithm under mis-labelling.
机译:已知增强对标签噪声敏感。我们研究了两种方法来提高AdaBoost防止标签错误的鲁棒性。一种是将标签噪声鲁棒分类器用作基础学习器,而另一种是将AdaBoost算法修改为更鲁棒。经验评估表明,一个健壮的分类器委员会尽管收敛速度比不具有标签噪声的AdaBoost更快,但仍然容易受到标签噪声的影响。但是,将其与我们在此处提出的新的健壮Boosting算法配对后,会在错误标记下产生更具弹性的算法。

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