A Method of Three-dimensional  Modelling over Spatial Unorganized Points Based on the K-nearest Neighbours
NI Shu, FANG Yuanmin, LI Guozhu, CHEN Jie
测绘通报 . 2014, (10): 36 -40 .  DOI: 10.13474/j.cnki.11-2246.2014.0323