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融合CNN和Transformer的三维冠状动脉CT图像分割.docx

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融合CNN和Transformer的三维冠状动脉CT图像分割

目录

内容概要................................................2

1.1研究背景...............................................2

1.2研究目的...............................................3

1.3研究方法概述...........................................4

相关技术................................................4

2.1卷积神经网络...........................................5

2.2转换器模型.............................................6

2.3三维冠状动脉CT图像分割.................................7

模型设计与实现..........................................8

3.1模型架构...............................................9

3.2数据预处理............................................11

3.2.1数据采集............................................12

3.2.2数据增强............................................12

3.2.3数据归一化..........................................13

3.3损失函数与优化器......................................14

3.3.1损失函数............................................14

3.3.2优化器选择..........................................16

实验与结果分析.........................................16

4.1实验设置..............................................17

4.1.1实验环境............................................18

4.1.2数据集..............................................19

4.2性能评估指标..........................................19

4.2.1准确率..............................................20

4.2.2敏感性..............................................21

4.2.3特异性..............................................22

4.3实验结果..............................................22

4.3.1定量结果分析........................................23

4.3.2定性结果分析........................................24

对比实验...............................................25

5.1与传统方法的对比......................................26

5.1.1方法一..............................................26

5.1.2方法二..............................................27

5.2与现有方法的对比......................................28

5.2.1方法三..............................................29

5.2.2方法四..............................................30

1.内容概要

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