arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1906.06166cs.LGstat.ML
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可选择分类器的在线主动学习

Online Active Learning of Reject Option Classifiers

IIIT Hyderabad(海得拉巴国际信息技术学院)

Kulin Shah, Naresh Manwani

摘要:

主动学习是监督学习中减少标记样本数量的一种重要技术。二进制分类的主动学习在机器学习中已经得到很好的解决。然而,拒绝选项分类器的主动学习仍然没有解决。在本文中,我们提出了新的算法的主动学习拒绝选项分类。我们开发了一种使用双斜坡损失函数的主动学习算法。给出了算法的误差界。我们还提出了一种新的损失函数,称为双S形损失函数的拒绝选项和相应的主动学习算法。我们提供了一个收敛保证该算法。我们提供了大量的实验结果来证明所提出的算法的有效性。所提出的算法有效地减少了所需的标签示例的数量。

英文摘要:

Active learning is an important technique to reduce the number of labeled examples in supervised learning. Active learning for binary classification has been well addressed in machine learning. However, active learning of the reject option classifier remains unaddressed. In this paper, we propose novel algorithms for active learning of reject option classifiers. We develop an active learning algorithm using double ramp loss function. We provide mistake bounds for this algorithm. We also propose a new loss function called double sigmoid loss function for reject option and corresponding active learning algorithm. We offer a convergence guarantee for this algorithm. We provide extensive experimental results to show the effectiveness of the proposed algorithms. The proposed algorithms efficiently reduce the number of label examples required.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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