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  • Title: [A P300 detection algorithm based on F-score feature selection and support vector machines].
    Author: Yang L, Li J, Yao Y, Wu X.
    Journal: Sheng Wu Yi Xue Gong Cheng Xue Za Zhi; 2008 Feb; 25(1):23-6, 52. PubMed ID: 18435249.
    Abstract:
    How to detect the P300 component in EEG accurately and instantly is a hot problem in the research field of Brain-Computer Interface. In this paper, an algorithm based on F-score feature selection and support vector machines was introduced for P300 detection. Using F-score feature selection method, we reduced input features to overcome the shortcoming of support vector machines in terms of low detection speed, and then implemented the detection of P300 component with support vector machines, which have good classification performance. The algorithm was tested with a P300 dataset from the BCI competition 2003. The results showed that the algorithm achieved an accuracy of 100% in P300 detection within five repetitions, and the detection speed of this algorithm was 2 times higher than that of the traditional support vector machines algorithm without F-score feature selection.
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