xiaoerlaigeid / open-aff

code and trained models for "Attentional Feature Fusion"

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Attentional Feature Fusion

MXNet/Gluon code for "Attentional Feature Fusion" https://arxiv.org/abs/2009.14082

What's in this repo so far:

  • Code, trained models, and training logs for ImageNet


  • If you are the reviewers of our submitted paper, please note that the accuracy of current implementation is a bit higher than the accuracy in the paper because it is a new implementation with a bag of tricks.
  • 如果您是我的学位论文评审专家,发现论文与这个 repo 的数字有些出入,那是因为在论文提交后我又将代码重新实现了一遍,添加了 AutoAugment、Label Smooting 这些技巧,所以目前这个 repo 中的分类准确率会比论文中的数字高一些,还请见谅。

Change Logs:

  • 2020-10-08: Re-implement the image classification code with a bag of tricks
  • 2020-09-29: Upload the image classification codes and trained models for the submitted paper

To Do:

  • Running AFF-ResNeXt-50 and AFF-ResNet-50 on ImageNet
  • Update Grad-CAM results on new trained models
  • Re-implement the segmentation code
  • Convert to PyTorch

In Progress:

  • Running iAFF-ResNeXt-50 on ImageNet


  • Re-implement the image classification code with a bag of tricks


Install MXNet and Gluon-CV:

pip install --upgrade mxnet-cu101 gluoncv

If you are going to use autoaugment:

python3 -m pip install --upgrade "mxnet_cu101<2.0.0"
python3 -m pip install autogluon


All trained model params and training logs are in ./params

The training commands / shell scripts are in cmd_scripts.txt


Architecture Params top-1 err.
ResNet-101 [1] 42.5M 23.2
Efficient-Channel-Attention-Net-101 [2] 42.5M 21.4
Attention-Augmented-ResNet-101 [3] 45.4M 21.3
SENet-101 [4] 49.4M 20.9
Gather-Excite-$\theta^{+}$-ResNet-101 [5] 58.4M 20.7
Local-Importance-Pooling-ResNet-101 [6] 42.9M 20.7
AFF-ResNet-50 (ours) 30.3M 20.3
iAFF-ResNet-50 (ours) 35.1M 20.2
iAFF-ResNeXt-50-32x4d (ours) 34.7M 19.78

PyTorch Version

@bobo0810 has contributed the PyTorch version. Please check the aff_pytorch directory for details.

Many thanks for @bobo0810 for his contribution.


Please cite our paper in your publications if our work helps your research. BibTeX reference is as follows.

  title   =  {Attentional Feature Fusion},
  author  =  {Yimian Dai and Fabian Gieseke and Stefan Oehmcke and Yiquan Wu and Kobus Barnard},
  booktitle =  {{IEEE} Winter Conference on Applications of Computer Vision, {WACV} 2021}
  year    =  {2021}


[1] Kaiming He, Xiangyu Zhang, Shaoqing Ren, Jian Sun: Deep Residual Learning for Image Recognition. CVPR 2016: 770-778

[2] Qilong Wang, Banggu Wu, Pengfei Zhu, Peihua Li, Wangmeng Zuo, Qinghua Hu: ECA-Net: Efficient Channel Attention for Deep Convolutional Neural Networks. CVPR 2020: 11531-11539

[3] Irwan Bello, Barret Zoph, Quoc Le, Ashish Vaswani, Jonathon Shlens: Attention Augmented Convolutional Networks. ICCV 2019: 3285-3294

[4] Jie Hu, Li Shen, Gang Sun: Squeeze-and-Excitation Networks. CVPR 2018: 7132-7141

[5] Jie Hu, Li Shen, Samuel Albanie, Gang Sun, Andrea Vedaldi: Gather-Excite: Exploiting Feature Context in Convolutional Neural Networks. NeurIPS 2018: 9423-9433

[6] Ziteng Gao, Limin Wang, Gangshan Wu: LIP: Local Importance-Based Pooling. ICCV 2019: 3354-3363

[7] Xiang Li, Wenhai Wang, Xiaolin Hu, Jian Yang: Selective Kernel Networks. CVPR 2019: 510-519

[8] Dongyoon Han, Jiwhan Kim, Junmo Kim: Deep Pyramidal Residual Networks. CVPR 2017: 6307-6315

[9] Zhichao Lu, Gautam Sreekumar, Erik D. Goodman, Wolfgang Banzhaf, Kalyanmoy Deb, Vishnu Naresh Boddeti: Neural Architecture Transfer. CoRR abs/2005.05859 (2020)

[10] Ekin D. Cubuk, Barret Zoph, Dandelion Mane, Vijay Vasudevan, Quoc V. Le: AutoAugment: Learning Augmentation Strategies From Data. CVPR 2019: 113-123


code and trained models for "Attentional Feature Fusion"


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