A Feature Analysis Approach in Simplification of 3D Building with Complex Flat Roof
Lei GE, Fang WU, Jiansheng LI, Zhigang MA
Acta Scientiarum Naturalium Universitatis Pekinensis . 2017, (1): 1 -7 .  DOI: 10.13209/j.0479-8023.2016.111