基于常数距离的三维体数据重构算法  

Algorithm of 3D volume data reconstruction based on constant distance

作　　者：李井辉[1] 姚东光[2] 张鸿[3] 仲晓庆[1] 

机构地区：[1]大庆石油学院计算机与信息技术学院,黑龙江大庆163318 [2]大庆钻探工程公司钻井五公司,黑龙江大庆164312 [3]大庆市人民医院放射科,黑龙江大庆163318

出　　处：《大庆石油学院学报》2008年第5期75-77,127,共3页Journal of Daqing Petroleum Institute

基　　金：黑龙江省教育厅科学技术研究项目(11531013)

摘　　要：为解决虚拟内窥镜系统的快速重构,提出可满足实时要求的基于常数距离函数的三维体数据重构解决方案.该算法在有效提取前期轮廓线的基础上,采用常数距离构造场函数,利用扫描线填充算法,通过一次扫描快速重构体数据.实验表明,该算法效率高,易于实现,能够满足虚拟内窥镜快速绘制的要求.From the requirements of rapid reconstruction in virtual endoscopy system,the solution on 3D volume data reconstruction based on constant distance function that satisfied real-time request has been proposed.The algorithm constructs field function using constant distance on the basis of effective contour extraction,and then utilizes scanning line fill algorithm to reconstruct volume data rapidly by one scanning.The experiments show that our method is efficient and is easy to implement,and can meet the requirement of virtual endoscope.

关 键 词：常数距离 扫描线 体数据重构 虚拟内窥镜 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]