Research of Palmprint Authentication Arithmetic Based on Smartphone

Xinman Zhang, Kunlei Jing, Guoqi Yan, Xuebin Xu, Weiyong Gong

Abstract: Palmprint authentication technology can solve the information security problem of mobile devices effectively. Based on smartphone, a new palmprint acquisition scheme and an improved authentication algorithm are proposed in this article. Key points and ROI region of palmprint are drawn in the smartphone interface to guide acquisition. In order to overcome the high computational complexity of traditional algorithm, ROI image get in acquisition is down-scaled, then the feature vectors extraction of ROI can be down-sampled with Log-Gabor filter and encoded with a new coding method. Simulation results show that our acquisition scheme can improve the quality of palmprint sample effectively, meanwhile the improved authentication algorithm has achieved good accuracy and timeliness.