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pytorch-image-models/docs/models/.templates/models/resnest.md

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# ResNeSt
A **ResNeSt** is a variant on a [ResNet](https://paperswithcode.com/method/resnet), which instead stacks [Split-Attention blocks](https://paperswithcode.com/method/split-attention). The cardinal group representations are then concatenated along the channel dimension: $V = \text{Concat}${$V^{1},V^{2},\cdots{V}^{K}$}. As in standard residual blocks, the final output $Y$ of otheur Split-Attention block is produced using a shortcut connection: $Y=V+X$, if the input and output feature-map share the same shape. For blocks with a stride, an appropriate transformation $\mathcal{T}$ is applied to the shortcut connection to align the output shapes: $Y=V+\mathcal{T}(X)$. For example, $\mathcal{T}$ can be strided convolution or combined convolution-with-pooling.
{% include 'code_snippets.md' %}
## How do I train this model?
You can follow the [timm recipe scripts](https://rwightman.github.io/pytorch-image-models/scripts/) for training a new model afresh.
## Citation
```BibTeX
@misc{zhang2020resnest,
title={ResNeSt: Split-Attention Networks},
author={Hang Zhang and Chongruo Wu and Zhongyue Zhang and Yi Zhu and Haibin Lin and Zhi Zhang and Yue Sun and Tong He and Jonas Mueller and R. Manmatha and Mu Li and Alexander Smola},
year={2020},
eprint={2004.08955},
archivePrefix={arXiv},
primaryClass={cs.CV}
}
```
<!--
Type: model-index
Collections:
- Name: ResNeSt
Paper:
Title: 'ResNeSt: Split-Attention Networks'
URL: https://paperswithcode.com/paper/resnest-split-attention-networks
Models:
- Name: resnest101e
In Collection: ResNeSt
Metadata:
FLOPs: 17423183648
Parameters: 48280000
File Size: 193782911
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest101e
LR: 0.1
Epochs: 270
Layers: 101
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 4096
Image Size: '256'
Weight Decay: 0.0001
Interpolation: bilinear
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L182
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest101-22405ba7.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 82.88%
Top 5 Accuracy: 96.31%
- Name: resnest14d
In Collection: ResNeSt
Metadata:
FLOPs: 3548594464
Parameters: 10610000
File Size: 42562639
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest14d
LR: 0.1
Epochs: 270
Layers: 14
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 8192
Image Size: '224'
Weight Decay: 0.0001
Interpolation: bilinear
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L148
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/gluon_resnest14-9c8fe254.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 75.51%
Top 5 Accuracy: 92.52%
- Name: resnest200e
In Collection: ResNeSt
Metadata:
FLOPs: 45954387872
Parameters: 70200000
File Size: 193782911
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest200e
LR: 0.1
Epochs: 270
Layers: 200
Dropout: 0.2
Crop Pct: '0.909'
Momentum: 0.9
Batch Size: 2048
Image Size: '320'
Weight Decay: 0.0001
Interpolation: bicubic
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L194
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest101-22405ba7.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 83.85%
Top 5 Accuracy: 96.89%
- Name: resnest269e
In Collection: ResNeSt
Metadata:
FLOPs: 100830307104
Parameters: 110930000
File Size: 445402691
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest269e
LR: 0.1
Epochs: 270
Layers: 269
Dropout: 0.2
Crop Pct: '0.928'
Momentum: 0.9
Batch Size: 2048
Image Size: '416'
Weight Decay: 0.0001
Interpolation: bicubic
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L206
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest269-0cc87c48.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 84.53%
Top 5 Accuracy: 96.99%
- Name: resnest26d
In Collection: ResNeSt
Metadata:
FLOPs: 4678918720
Parameters: 17070000
File Size: 68470242
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest26d
LR: 0.1
Epochs: 270
Layers: 26
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 8192
Image Size: '224'
Weight Decay: 0.0001
Interpolation: bilinear
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L159
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-weights/gluon_resnest26-50eb607c.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 78.48%
Top 5 Accuracy: 94.3%
- Name: resnest50d
In Collection: ResNeSt
Metadata:
FLOPs: 6937106336
Parameters: 27480000
File Size: 110273258
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest50d
LR: 0.1
Epochs: 270
Layers: 50
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 8192
Image Size: '224'
Weight Decay: 0.0001
Interpolation: bilinear
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L170
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest50-528c19ca.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 80.96%
Top 5 Accuracy: 95.38%
- Name: resnest50d_1s4x24d
In Collection: ResNeSt
Metadata:
FLOPs: 5686764544
Parameters: 25680000
File Size: 103045531
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest50d_1s4x24d
LR: 0.1
Epochs: 270
Layers: 50
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 8192
Image Size: '224'
Weight Decay: 0.0001
Interpolation: bicubic
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L229
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest50_fast_1s4x24d-d4a4f76f.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 81.0%
Top 5 Accuracy: 95.33%
- Name: resnest50d_4s2x40d
In Collection: ResNeSt
Metadata:
FLOPs: 5657064720
Parameters: 30420000
File Size: 122133282
Architecture:
- 1x1 Convolution
- Convolution
- Dense Connections
- Global Average Pooling
- Max Pooling
- ReLU
- Residual Connection
- Softmax
- Split Attention
Tasks:
- Image Classification
Training Techniques:
- AutoAugment
- DropBlock
- Label Smoothing
- Mixup
- SGD with Momentum
- Weight Decay
Training Data:
- ImageNet
Training Resources: 64x NVIDIA V100 GPUs
ID: resnest50d_4s2x40d
LR: 0.1
Epochs: 270
Layers: 50
Dropout: 0.2
Crop Pct: '0.875'
Momentum: 0.9
Batch Size: 8192
Image Size: '224'
Weight Decay: 0.0001
Interpolation: bicubic
Code: https://github.com/rwightman/pytorch-image-models/blob/d8e69206be253892b2956341fea09fdebfaae4e3/timm/models/resnest.py#L218
Weights: https://github.com/rwightman/pytorch-image-models/releases/download/v0.1-resnest/resnest50_fast_4s2x40d-41d14ed0.pth
Results:
- Task: Image Classification
Dataset: ImageNet
Metrics:
Top 1 Accuracy: 81.11%
Top 5 Accuracy: 95.55%
-->
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