MadaBoost: A Modification of AdaBoost

MadaBoost: A Modification of AdaBoost
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发表时间:
2000-06
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通讯作者:
Carlos Domingo;O. Watanabe
Carlos Domingo;O. Watanabe
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其他
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作者:
Carlos Domingo;O. Watanabe

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我们提出了一种新的增强算法,它修正了迄今为止最成功的增强算法AdaBoost中发现的一些问题,该算法是由Freund和Schapire [FS97]提出的。这些问题是:(1)AdaBoost不能用于滤波增强框架;(2)AdaBoost似乎不是抗噪声的。为了解决这些问题,我们通过修改AdaBoost的权重系统,提出了一种新的增强算法MadaBoost。我们证明了MadaBoost的一个版本实际上是一个增强算法,并详细展示了我们的算法如何使用。然后,我们证明了我们的新增强算法可以投射到统计查询学习模型[Kea93]中,因此,它对随机分类噪声具有鲁棒性[AL88]。
We propse a new boosting algorithm that mends some of the problems that have been detected in the so far most successful boosting algorithm, AdaBoost due to Freund and Schapire [FS97]. These problems are: (1) AdaBoost cannot be used in the boosting by filtering framework, and (2) AdaBoost does not seem to be noise resistant. In order to solve them, we propose a new boosting algorithm MadaBoost by modifying the weighting system of AdaBoost. We prove that one version of MadaBoost is in fact a boosting algorithm, and we show how our algorithm can be used in detail. We then prove that our new boosting algorithm can be casted in the statistical query learning model [Kea93] and thus, it is robust to random classification noise [AL88].