5[5]De Floriani L and Puppo E. Hierarchical triangulation for multiresolution surface description geometric design. ACM Trans Graphics, 1995,14 (4): 363～411
6[6]Cignoni P, Montani C, and Scopigno R. A Comparison of mesh simplification algorithms. Computer and Graphics, 1998, 22: 37～ 54
7[7]Levoy M. Efficient ray tracing of volume data. ACM Trans Graphics,1990, 9 (3): 245～261
8[8]Ghavamnia MH and Ynag X D. Direct rendering of laplacian compressed volume data. Proceedings of the IEEE Visualization Conference, 1995,29 (3): 192～199
9[9]Wilhelms J P and Van Gelder A. Octree for faster isosurface generation.Computer Graphics (San Diego Workshop Volume Visualization), 1990,24 (5): 57～62
10[10]Lorensen W and Cliee H. Marching cubes: a high resolution 3D surface connstruction algorithm. Computer Graphics, 1987, 21 (4): 163 ～ 169
