Yu Zhou Xilin Chen Debin Zhao Hongxun Yao Wen Gao Mahalanobis distance based Polynomial Segment Model for Chinese Sign Language Recogniton. 317-320 2008 ICME http://dx.doi.org/10.1109/ICME.2008.4607435 conf/icmcs/2008 db/conf/icmcs/icme2008.html#ZhouCZYG08