基于形态学的三维牙齿模型分割算法  

Three-dimensional Dental Model Segmentation Algorithm Based on Morphology

作　　者：曹巍[1] 

机构地区：[1]四川大学计算机学院,成都610065

出　　处：《现代计算机》2015年第4期40-42,共3页Modern Computer

摘　　要：计算机辅助的方法在口腔正畸领域有着广泛的应用,其中牙齿分割环节尤为重要。对于获得的三维牙齿模型,通过特征提取粗略识别牙齿边界线;对该特征区域进行扩充和削减操作,以提高牙齿边界的识别准确度;基于形态学对特征区域进行骨架化,将单颗的牙齿分离开来。实验结果证明这种方法精确度较好,并且能够有效减少人工交互操作,基本实现牙齿的自动分割。Computer-aided approaches are widely used in the orthodontics, and the teeth segmentation plays an important role. For the three- dimensional dental model, obtains the rough teeth boundary through feature extraction. Then does the dilation and erosion operations to improve teeth boundary accuracy. Skeletonizes the feature region based on morphology to separate one tooth out. Experiment proves the algorithm has a good accuracy and reduces user interactions effectively, it has almost realized the automatic teeth segmentation.

关 键 词：特征提取 牙齿分割 形态学 骨架化 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术]