骨龄自动评测系统中骨骼边缘提取方法研究  

ON SKELETON EDGE EXTRACTION IN BONE AGE AUTOMATIC EVALUATION SYSTEM

作　　者：杨莉[1,2] 王运琼[1] 胡蓉蓉[2] 崔茂应[2] 高春林[2] 

机构地区：[1]云南师范大学计算机科学与信息技术学院,云南昆明650092 [2]云南中医学院现代教育技术中心、网络中心,云南昆明650200

出　　处：《计算机应用与软件》2009年第5期266-269,共4页Computer Applications and Software

摘　　要：骨龄是衡量少年儿童骨骼发育程度的数据指标,对骨龄自动评测系统中的预处理和骨骼边缘提取方法进行了研究。实验中,采用Laplacian增强和线性增强相结合的增强方法,增强了骨骼和软组织间的对比度,增强后的骨骼信息不失真;通过对几个边缘算子提取的边缘图像进行对比,采用Canny算子和Sobel算子边缘图像的"与"操作提取了较为完整的骨骼边缘。为将来骨骼特征的提取和骨骼的分类奠定了基础。Bone age is the datum index in measuring children＇s bone development degree. In this paper,we have studied the pre-processing and skeleton edge extraction methods in bone age automatic evaluation system. In the experiments, the combination of Laplacian strengthening and linear strengthening were used to enhance the contrast between bone and soft tissue, and the enhanced bone information has no distortion. After comparing the edge images extracted by several marginal operators, the ＂and＂ operation were performed on the edge images of Canny operator and of Sobel operator to extract preferable integrity bone edges. This has laid the foundation for the extraction of skeletal characteristics and the bone classification in the future.

关 键 词：骨龄 CHN 骨骼边缘 边缘图像 

分 类 号：TP391[自动化与计算机技术—计算机应用技术] Q959.4[自动化与计算机技术—计算机科学与技术]