--- tags: Plant Disease classfication,ResNet title: Personal meeting 2020/05/12 date: '12, May, 2020' --- ## 論文部分 ### ResNets變體 -- ResNeSt: Split-Attention Networks 發表團隊:Amazon,University of California, Davis 日期:2020/04/19 結合了SENet,SKNet 和 ResNeXt ResNest Block: ![](https://pic3.zhimg.com/v2-fd8930d284a0f8b65173e6c2d3e488e3_1200x500.jpg) Split-Attention: ![](https://pic2.zhimg.com/80/v2-270cfc3fbfb5ec6f6c345cb071d4b9f9_720w.jpg) r個張量先sum,然後global average pooling,先經過一層fc,bn,relu,得到中間向量特徵,再分別經過r個fc,每個fc的輸出都是c維,得到r個c維向量 SENet: ![](https://pic2.zhimg.com/80/v2-9256e77fdf8d06dd4a34bab78b366685_720w.jpg) ## 下周預計: 目前看了部分發現對於attention機制、ResNext理解不足,下周會先從attention開始理解 ## 其他 cross entropy理解