Title :
Geologic Surface Reconstruction Based on Fault Constraints
Author :
Li, Suyun ; Tang, Jie ; Wu, Gangshan
Author_Institution :
Nanjing Univ., Nanjing
Abstract :
Some applications in 3D mesh surface modeling, e.g. geologic surface reconstruction, require linear discontinuous mesh pieces reconstructed from input point cloud. Unfortunately as far as we know, those previously developed approaches failed in reconstructing such mesh directly from point cloud. This paper presents a new method which using mesh fitting to create discontinuity during geologic surface reconstruction. After improved Hoppe´s reconstruction method, each vertex located at discontinuous area is adjusted to a new position based on quadric error metrics. Experiment results show that our method could generate high quality surfaces which satisfy both geometric and geologic constraints.
Keywords :
geology; mesh generation; solid modelling; surface fitting; Hoppe´s reconstruction method; fault constraints; geologic surface reconstruction; mesh fitting; mesh surface modeling; point cloud; quadric error metrics; Clouds; Computer graphics; Geology; Image reconstruction; Reconstruction algorithms; Rough surfaces; Surface cracks; Surface fitting; Surface reconstruction; Surface roughness;
Conference_Titel :
Digital Media and its Application in Museum & Heritages, Second Workshop on
Conference_Location :
Chongqing
Print_ISBN :
0-7695-3065-6
DOI :
10.1109/DMAMH.2007.58