Level-of-Detail Modeling of Nasopharyngeal Tissues Based on CT Image
Nasopharyngeal tissue modeling is the base of computer simulation of nasopharyngeal carcinoma therapy. Nasopharyngeal tissue was segmented by a combine of doctors sketch and mathematical morphology method. A color lookup table was made for the fast recognition of about sixty tissues. For there are many tissues around nasopharynx, level-of-detail tactic is used to reconstruct different tissues by different methods. The improved marching cubes algorithm was used to reconstruct the nasopharyngeal tissue needed to be subtly display. The less important tissues were reconstructed by contour-connecting method. A series of simplified models were made to fit the simulation. Ray casting method was used to down sampling data of tissues that can show space position. The level-of-detail tactic reconstructed subtle model of important nasopharyngeal tissues while show the position of other nasopharyngeal tissues. It meets the needs of nasopharyngeal carcinoma treatment computer simulation.
Pei-shan Dai Bo-liang Wang Chun-bo Bao Xiao-Ping Min
Department of Electronics Science and Engineering, National University of Defense Technology, Changs Computer Department, Xiamen University, Xiamen 361005,Fujian, China Computer Science Department Dalian University of Technology, Dalian 116024, Hunan, China
国际会议
北京
英文
131-135
2007-05-23（万方平台首次上网日期，不代表论文的发表时间）