CAM 的意义就是以热力图的形式告诉我们，模型通过哪些像素点得知图片属于某个类别

https://www.jianshu.com/p/3c4aa73fd598

https://blog.csdn.net/weixin_40955254/article/details/81191896?depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1&utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1