A rail deformation detection algorithm based on multi-threshold feature extraction was presented in this paper.

本文提出一种基于多门限特征提取的轨道故障检测算法。

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This paper investigates the segmentation of multi-target image based on SVM approach combining feature extraction of kernel PCA.

实验结果表明，结合核主成份分析的特征提取，支持向量机方法是一种很有前景的多目标图像分割技术。

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This thesis mainly deals with the feature extraction technologies in infrared image and target multi-classification methods.

本文重点研究了红外图像目标的特征提取技术和多目标分类方法。

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