复旦与华为出品SOFT：一种去除softmax的线性复杂度Transformer！

不念不忘少年蓝@ 2022-08-28 01:51 194阅读 0赞

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转载于：Sophia知乎

https://zhuanlan.zhihu.com/p/425944505

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今天推荐的文章是复旦大学与华为诺亚方舟实验室共同关于Transformer自注意力机制复杂度的思考和改善，提出了一种全新的softmax-free 的Transformer。SOFT显著改善了现有ViT方案的计算效率。在ImageNet分类任务上取得了比已有CNN、Transformer更佳的精度-复杂度均衡。

![b499cbf0b8c730d067f385713971560f.png][]

论文地址：https://arxiv.org/pdf/2110.11945.pdf

代码地址：https://github.com/fudan-zvg/SOFT

项目地址：https://fudan-zvg.github.io/SOFT/

## 摘要： ##

![5ef192897471c957446bf73f602c9708.png][]

## 参数对比 ##

![3646dcbf8405f87e203f9c41cd888dd2.png][]

## SOFT核心 ##

![e49efad030758f4d1a393636c52ea156.png][] ![94e27b15505dac1243ac5b1565acbf69.png][]

## 效果对比： ##

![30b7d18abfe132364262af898c5cbe90.png][] ![f3b81d5996bc378d7a02206bc717a575.png][] ![3ebbdc766232fea3e0f4601ba36d550a.png][]

兼顾精度和算力的平衡，值得学习！

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[Anchor DETR_Transformer]: https://blog.csdn.net/Sophia_11/article/details/120465460
[TPH-YOLOv5_Transformer_Yolov5]: https://blog.csdn.net/Sophia_11/article/details/120446147
[Transformer_ICCV2021]: http://mp.weixin.qq.com/s?__biz=MzU2NTc5MjIwOA==&mid=2247520701&idx=2&sn=ce909619d50417c6353b740550126ec3&chksm=fcb48d02cbc30414f71967d9d83496db71344e0a393b80806186d732092a0c3ebfaa3d207b40&scene=21#wechat_redirect
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[Transformer_-former_DeepMind]: https://blog.csdn.net/Sophia_11/article/details/120944445
[329]: https://blog.csdn.net/Sophia_11/article/details/120212914
[Fastformer_Transformer_MSRA]: https://blog.csdn.net/weixin_47196664/article/details/120031052
[Paint Transformer_ICCV2021 Oral]: https://blog.csdn.net/Sophia_11/article/details/120386973
[Pure Transformer _ReID]: https://blog.csdn.net/gzq0723/article/details/119813919
[ResNet_CoTNet_Transformer]: https://blog.csdn.net/amusi1994/article/details/119363684
[Conformer_Transformer_CNN]: https://blog.csdn.net/Sophia_11/article/details/119860627
[ImageNet_Long-Short Transformer]: https://blog.csdn.net/Sophia_11/article/details/120375839
[SOTA_DetCo]: https://blog.csdn.net/qq_29462849/article/details/119123163
[SSPNet]: https://blog.csdn.net/Sophia_11/article/details/120124261
[YOLOX]: https://blog.csdn.net/Sophia_11/article/details/119012008
[Swin-UNet_ Transformer]: https://blog.csdn.net/amusi1994/article/details/116957208
[Kings]: https://blog.csdn.net/Sophia_11/article/details/114274846
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[Transformer _]: http://mp.weixin.qq.com/s?__biz=MzU2NTc5MjIwOA==&mid=2247502134&idx=1&sn=ed4a262db0be219feb017c08f2185779&chksm=fcb4d589cbc35c9f0156ac454dccb82a501f4b8129adbbcf94a3ca83d3af129f4ebadf173e75&scene=21#wechat_redirect
[Scaled-YOLOv4_ _]: http://mp.weixin.qq.com/s?__biz=MzU2NTc5MjIwOA==&mid=2247500056&idx=2&sn=95a04371dc0b49e8c862b03a88edbb8c&chksm=fcb4dda7cbc354b14c4cd4f63eadf02680112ee21015fe372cf3055f9b577b7dd989843eda1f&scene=21#wechat_redirect
[PyTorch_ _]: http://mp.weixin.qq.com/s?__biz=MzU2NTc5MjIwOA==&mid=2247497349&idx=3&sn=b4b1ea0af5d42c817bc776cab0a8ac28&chksm=fcb4ea3acbc3632cd61c21d40df0c8cd9e84603fcbe551ceea721e4d8c43959a3c74e929a0fe&scene=21#wechat_redirect
[PyTorch_ _ 1]: http://mp.weixin.qq.com/s?__biz=MzU2NTc5MjIwOA==&mid=2247497036&idx=2&sn=552069978cf317b9581b4c9a62a003e2&chksm=fcb4e9f3cbc360e51de7a7ceb3a6adde123e488d98a3baf4204270311ef609fa5510682ff29b&scene=21#wechat_redirect
[Numpy]: https://blog.csdn.net/dafeidouzi/article/details/100520906
[10]: https://blog.csdn.net/lvsehaiyang1993/article/details/80342473
[CVPR 2020]: https://blog.csdn.net/u013685264/article/details/104984809
[Link 27]: https://blog.csdn.net/fengdu78/article/details/107308594
[YOLOv4]: https://blog.csdn.net/fengdu78/article/details/106450074
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