Three-Dimensional Reconstruction of Geological Images

3-D reconstruction and display is the basic and essential part of visualization. In this paper, Through graph transformation, a simple graph can be generated into a complex graph, and the two-dimensional graph can represent 3-D form, displaying the fast transformation from static graph to dynamic graph. Graph transformation involves rotating, moving, stretching, compressing and scaling objects, thus through the 3-D reconstruction and virtual reality technology to achieve the 3-D digital model and the dynamic virtual display of the geological structure, providing an intuitive prediction on the analysis of the geological structure. It will free the analysis of tunnel face from the manual repetitive work, but also avoid some human analysis errors, so that it can ensure the quality of image analysis on the working face and also greatly improve analysis efficiency, playing a significant role in the tunnel construction.