QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于柔性形态学与聚类算法的X光胸片肺部分割

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Date of Publication:2007-10-20

Journal:中国生物医学工程学报

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:26

Issue:5

Page Number:684-689

ISSN No.:0258-8021

Key Words:X光胸片;柔性形态学;迭代直方图分离;聚类;基于知识

Abstract:近年来,在医学领域里,计算机辅助诊断(CAD)技术以其高效的实用性已备受人们关注.对于X光胸片来说,肺部区域的分割是计算机辅助检测胸腔疾病的首要步骤.本研究提出一种自动的肺部分割方法.首先采用柔性形态学滤波进行初始分割,然后用结合先验知识的聚类算法进行二次分割.通过在两组不同图像(计算机X线摄影、传统X光胶片)中仿真测试,平均灵敏度和特异性可达89.39%和92.82%,该方法在保持高分割灵敏度的同时,提高了分割的特异性.

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