Automatic recognition of cognitive fatigue from physiological indices by using wavelet packet transform and kernel learning algorithms.

Chong Zhang Chongxun Zheng Xiaolin Yu Automatic recognition of cognitive fatigue from physiological indices by using wavelet packet transform and kernel learning algorithms. 4664-4671 2009 36 Expert Syst. Appl. 3 http://dx.doi.org/10.1016/j.eswa.2008.06.022 db/journals/eswa/eswa36.html#ZhangZY09