Real-time Robust Algorithm for Circle Object Detection. - Jianping Wu; Jinxiang Li; Changshui Xiao; Fangyong Tan; Caidong Gu (ICYCS, 2008)

Real-Time Automatic Road Sign Detection. - Jianping Wu; Maoxin Si; Fangyong Tan; Caidong Gu (ICIG, 2009)