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Issue:
The Study of Computerized Automatic Cephalometric Analysis System by X-ray Measurement
Author(s):
WEI Ming-gui
,
HUANG Qing-yan
,
WANG Guo-shi
,
DING Guo-wei
Pages:
81
-
84
Year:
2006
Issue:
4
Journal:
JOURNAL OF TONGJI UNIVERSITY (MEDICAL SCIENCE)
Keyword:
计算机
;
标志点
;
自动识别
;
X线头影测量分析
;
正颌外科
;
Abstract:
目的 在前期实现相关标志点自动识别技术的基础上,建立了一个服务于正颌外科的计算机自动化X线头测量分析系统(computerized automatic cephalometric analysis system,CACAS),并检验其临床应用的准确度.方法 CACAS由硬件系统和软件系统组成,其中自行开发的功能软件包括图像数据管理、图像预处理、边缘提取与自动定点、标志点校正、自动测量与分析等五个模块.临床上选择12例正常牙合成人的头颅定位X线头影侧位片图像,分别采用CACAS与手工测量分析,将两者测量结果进行统计学分析.结果 CACAS自动定点、交互定点及自动测量分析过程运行良好.CACAS测量与手工测量两者之间无显著差别;CACAS测量结果更接近标准正常值.结论 CACAS是一种比较科学合理、准确快速、简便有效的正颌外科诊断系统.
Citations
System Exception
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