by Yang Jiao, Guang-Hai Li, Guang-Kai Sun, Ying-Kui Zhu, Yu-Bo Zhao
Published in 2009 International Conference on Wavelet Analysis and Pattern Recognition (01.07.2009)

by Liu, Yong-min, Zhu, Sheng-mei, Wang, Kui-rong, Feng, Zhi-ying, Chen, Qing-lian
Published in Journal of Zhejiang University. B. Science (01.11.2008)