1. School of Transportation Engineering, Shenyang Jianzhu University, 9 Hunnandonglu, Hunnanxinqu, Shenyang, Liaoning 110168, P. R. China
2. Shenzhen Juxin Image Co., Ltd., Shenzhen, P. R. China
3. Department of Information Management, Graduate School Wonkwang University, Iksan, Korea