文档介绍：目 录
中文摘要 ······················································································································ 1
英文摘要 ······················································································································ 3
第一章 绪论 ················································································································ 5
研究背景、目的及意义 ······················································································ 5
国内外研究概况 ·································································································· 8
乳腺癌计算机辅助诊断系统的研究概况 ············································ 8
肿块自动检测方法的研究概况 ···························································· 9
肿块相关特征提取方法的研究概况 ·················································· 12
本文的主要研究工作 ························································································ 13
第二章 乳腺钼靶影像中肿块组织的提取方法研究 ·············································· 16
乳腺 X 线影像的诊断技术 ··············································································· 16
乳腺 X 线摄影简介 ·············································································· 16
乳腺解剖学和 X 线影像学表现 ·························································· 18
乳腺癌的诊断及难点 ··········································································· 21
图像预处理和感兴趣区域的提取 ···································································· 23
乳腺区域的提取 ·················································································· 24
基于平面拟合的图像增强 ··································································· 26
感兴趣区域的定位和提取 ··································································· 30
肿块组织的提取技术 ························································································· 31
最大熵原则的阈值分割 ···················