- 深度学习经典案例解析:基于MATLAB
- 赵小川
- 174字
- 2021-10-27 15:44:00
4.3 例程实现与解析
上述步骤可以通过例程4-1来实现。读者可以结合程序的注释以及本书第4章的相关内容进行理解。例程4-1的运行效果如图4-7~图4-9所示。
例程4-1:基于LeNet来识别交通灯。
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/73_01.jpg?sign=1739065638-cv7FxDCQqvnEDNKP8hJdtlWHNsU9NNzo-0-df5feee2785ebf70e68fb58c6436231b)
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/74_01.jpg?sign=1739065638-GG1s3SSNbgqtrYWuY2Vszqmh29kcZlBX-0-baf94ee01520bb6701bef382a163bc79)
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/75_01.jpg?sign=1739065638-cmWhzQKjlkHZ5ROGhVuqluliu4hlSSNX-0-9b93c295bb33bf4ed6eef21ac799ac34)
图4-7 网络训练的过程
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/75_02.jpg?sign=1739065638-T2TjXUG7U9EEI7p1RhDrCD5VxDVs0Izr-0-5a3f68f9433ba51c05487c5790db2ce2)
图4-8 随机显示测试的效果
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/76_01.jpg?sign=1739065638-Vpcbw32T9wSKTriXLHGLi68amICmkLFd-0-32ed4c197cb80813228757615e6ad2b0)
图4-9 混淆矩阵
由于我们在配置选项中,将'Verbose'设置为了true,所以该网络的训练和验证过程也在命令窗口中显示,如图4-10所示。
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/76_02.jpg?sign=1739065638-zLDz6mkKE4scLuk7PzrSyFq7yTNwDn9D-0-c9055a6ebc340e681c87d91ba5e910e2)
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/77_01.jpg?sign=1739065638-ofGv0BsxBRbFPTAMcVtRFTn7DxxWbvNu-0-6ae4eb806e5151889c4758c9a9ff03d5)
![](https://epubservercos.yuewen.com/7B8A32/21511157108180906/epubprivate/OEBPS/Images/78_01.jpg?sign=1739065638-TWXLzOdJHtzz7Wd5BFuT401wwNMl5VEJ-0-a676894e879b790bd709912555967a10)
图4-10 例程EX4-1的运行效果在命令窗口的显示