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Hierarchical One-Class Classifier With Within-Class Scatter-Based Autoencoders

机译:具有类别散射的AutoNiCoders的分层单级分类器

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摘要

Autoencoding is a vital branch of representation learning in deep neural networks (DNNs). The extreme learning machine-based autoencoder (ELM-AE) has been recently developed and has gained popularity for its fast learning speed and ease of implementation. However, the ELM-AE uses random hidden node parameters without tuning, which may generate meaningless encoded features. In this brief, we first propose a within-class scatter information constraint-based AE (WSI-AE) that minimizes both the reconstruction error and the within-class scatter of the encoded features. We then build stacked WSI-AEs into a one-class classification (OCC) algorithm based on the hierarchical regularized least-squared method. The effectiveness of our approach was experimentally demonstrated in comparisons with several state-of-the-art AEs and OCC algorithms. The evaluations were performed on several benchmark data sets.
机译:AutoEncoding是深度神经网络(DNN)中的表示学习的重要分支。 最近已经开发了极端学习机的AutoEncoder(ELM-AE),并为其快速学习速度和易于实现而获得了普及。 但是,ELM-AE使用随机隐藏节点参数而无需调整,这可能会产生无意义的编码功能。 在此简述中,我们首先提出了一种基于内部的散射信息约束的AE(WSI-AE),其最小化了重建误差和编码特征的课程散射。 然后,我们将堆叠的WSI-AES构建到基于分层正规最小二乘方法的单级分类(OCC)算法。 我们的方法的有效性在实验上展示了与几种最先进的A和OCC算法的比较。 对几种基准数据集进行评估。

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