| 光谱学与光谱分析 |
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| Optimizing Algorithm Design of Piecewise Linear Classifier for Spectra |
| LAN Tian-ge, FANG Yong-hua, XIONG Wei, KONG Chao, LI Da-cheng, DONG Da-ming |
| Remote Sensing Lab, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China |
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Abstract Being able to identify pollutant gases quickly and accurately is a basic request of spectroscopic technique for envirment monitoring for spectral classifier. Piecewise linear classifier is simple needs less computational time and approachs nonlinear boundary beautifully. Combining piecewise linear classifier and linear support vector machine which is based on the principle of maximizing margin, an optimizing algorithm for single side piecewise linear classifier was devised. Experimental results indicate that the piecewise linear classifier trained by the optimizing algorithm proposed in this paper can approach nonolinear boundary with fewer super_planes and has higher veracity for classification and recognition.
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Received: 2007-08-26
Accepted: 2007-11-16
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Corresponding Authors:
LAN Tian-ge
E-mail: tingerlan@163.com
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