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1.4 系统所用算法和特征汇总
基于医学图像的计算机辅助检测/诊断技术已经成为国内外研究的热点之一,相关的理论和方法也得到不断发展和完善,部分成果在实际医疗诊断中得到应用。优秀的算法和恰到好处的特征选择是卓越CAD系统的基础。表1.3汇总了2012年以来一些CAD系统在不同环节所用的主要算法。表1.4列举了CAD系统中在假阳性去除或ROIs诊断分类时所用到的特征。
表1.3 CAD系统不同环节所用算法列表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_13.jpg?sign=1739352832-zjfIPrEUozteUmlNxupTofiUnzyu3lrO-0-cc774b0c2e3339e94c2d7c268333e13b)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_14.jpg?sign=1739352832-g2BbkhEaY0ibC0dsrgogYfB8pV6lOSaW-0-19417d0bf013c34be4d88d72fee029df)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_15.jpg?sign=1739352832-JzbiIshnYMdHHjatsyVoqbTXZ8E8tSIh-0-8895f5ed3401f9619c94c8042a11e15e)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_16.jpg?sign=1739352832-w9I9x5vVIygAWQpsbQ8XJCCz8r5Rsha1-0-eea23056cc7be69791b77f0d731de9aa)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_17.jpg?sign=1739352832-9fe3HKye0T1pDYG8FBdMKZOAghbMeIhe-0-0124c8039a8446ef3efed2f02965c999)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_18.jpg?sign=1739352832-3FvkjT5NFMx9I0EaUpBAdMLQz0foTGix-0-036af969a845f2026eaf4b5b1401e5ff)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_19.jpg?sign=1739352832-GEQxPZ1sT8ddP3HSbhoqdRsHV4lfJVgA-0-99f137021f3c19cedba6ed04dd43f96c)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_20.jpg?sign=1739352832-W43QxGfXf4Yxwu1wcYZtPMeoTAUqTNZT-0-768d4adf21fabea3d1be9ba8c06a3db5)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_21.jpg?sign=1739352832-t2ph31t9eeJPruzzrJpyyRTAdcFo97g2-0-fd290f5d85600b2340c5345c1f5e3463)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_22.jpg?sign=1739352832-3ICXC0QhIilKVfcMXCSx8MKAG12peFmc-0-6f268a6f36a2a99457c7e39a4caef0bb)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_23.jpg?sign=1739352832-L3PgqDlmPhlZAJtaMiAH67foZqnhuBWs-0-30b94319becb0f76d3ac79ef0d6b5025)
注:上表中未写明缩写的中文全称者,应在表注中逐一补充
表1.4 CAD系统在去假阳性ROIs或分类时所用特征
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_24.jpg?sign=1739352832-uEj8Yco93Nvf3oiVBQjEZLgdUNy0NkhV-0-9d5e0e315b05a67f1d45efe98771295f)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_25.jpg?sign=1739352832-nPntRM4NxvtoL5XwrcGrhvefMN12rzzm-0-18d0327adaba8ec1ac2352c5f1740010)
续表
![](https://epubservercos.yuewen.com/D2B2EF/25638742209049306/epubprivate/OEBPS/Images/txt004_26.jpg?sign=1739352832-7f3JOVcTpdNpWrpj74wBF8wxsERoknZY-0-5b36f2bf030aa7e6db0b453a8e74086d)