1. Associate Professor, Ph.D., Dept. of Civil and Geomatics Engineering, M/S EE94, California State Univ., Fresno, CA 93740, US, e-mail: mxiao@csufresno.edu
2. Former Graduate Student, Dept. of Civil and Geomatics Engineering, California State Univ., Fresno, CA 93740, US, e-mail: nshwiyhat@bskinc.com