Biometric Recognition 12th Chinese Conference, CCBR 2017, Shenzhen, China, October 28-29, 2017, Proceedings - Zhou, Jie; Wang, Yunhong; Sun, Zhenan; Xu, Yong; Shen, Linlin; Feng, Jianjiang; Shan, Shiguang; Qiao, Yu; Guo, Zhenhua; Yu, Shiqi (Springer International Publishing : Imprint: Springer, 2017)