| 1. | Second method only use longitude - latitude orientation average radius distribution feature , l1 distance function and indirect searching database . in third method , 3d model is equally divided into 16 parts in z axis orientation firstly
第二种检索技术提取经纬方向平均半径分布作为特征向量，相似度计算使用l _ 1距离，直接检索特征数据库。 |
