Non-local Neural Networks(Non-local)

逐行源码阅读中文笔记。

blog解读：https://blog.csdn.net/qq_39388410/article/details/104951012

建议阅读顺序：network.py-->non-local-embedded_gaussian.py-->non-local_concatenation.py-->non-local-dot_product.py-->non-local-gaussian.py（后面三个都是embedded_gaussian的变体，计算Attention有点不一样）

原paper： Non-local Neural Networks

原code： https://github.com/AlexHex7/Non-local_pytorch