On-line recognition handwritten mathematical symbol. - Xuejun Zhao; Xinyu Liu; Shengling Zheng; Baochang Pan; Yuan Yan Tang (ICDAR, 1997)

Face contour location based on multiple-step hiding genetic algorithm. - Lanyan Xue; Jianjia Pan; Baochang Pan; Shengling Zheng; Yuan Yan Tang (SMC, 2007)