Tunnel Three-Dimensional Modeling Research Based on Digital Image Processing. - Leng Biao; Qiu Wenge; Du Cheng (CSSE (1), 2008)

A Study on Geological Image Segmentation. - Du Cheng; Leng Biao (IFITA (3), 2009)

Tunnel Face Image Segmentation Optimization. - Du Cheng; Leng Biao (Int. J. Recent Contributions Eng. Sci. IT, 2014)