Update model config and README
Browse files- README.md +149 -2
- config.json +1 -0
- model.safetensors +3 -0
README.md
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tags:
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- image-classification
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- timm
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---
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# Model card for efficientnet_b2.ra_in1k
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tags:
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- image-classification
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- timm
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library_name: timm
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license: apache-2.0
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datasets:
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- imagenet-1k
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---
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# Model card for efficientnet_b2.ra_in1k
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A EfficientNet image classification model. Trained on ImageNet-1k in `timm` using recipe template described below.
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Recipe details:
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* RandAugment `RA` recipe. Inspired by and evolved from EfficientNet RandAugment recipes. Published as `B` recipe in [ResNet Strikes Back](https://arxiv.org/abs/2110.00476).
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* RMSProp (TF 1.0 behaviour) optimizer, EMA weight averaging
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* Step (exponential decay w/ staircase) LR schedule with warmup
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## Model Details
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- **Model Type:** Image classification / feature backbone
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- **Model Stats:**
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- Params (M): 9.1
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- GMACs: 0.9
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- Activations (M): 12.8
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- Image size: train = 256 x 256, test = 288 x 288
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- **Papers:**
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- EfficientNet: Rethinking Model Scaling for Convolutional Neural Networks: https://arxiv.org/abs/1905.11946
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- ResNet strikes back: An improved training procedure in timm: https://arxiv.org/abs/2110.00476
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- **Dataset:** ImageNet-1k
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- **Original:** https://github.com/huggingface/pytorch-image-models
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## Model Usage
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### Image Classification
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```python
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from urllib.request import urlopen
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from PIL import Image
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import timm
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img = Image.open(urlopen(
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'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
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))
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model = timm.create_model('efficientnet_b2.ra_in1k', pretrained=True)
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model = model.eval()
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# get model specific transforms (normalization, resize)
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data_config = timm.data.resolve_model_data_config(model)
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transforms = timm.data.create_transform(**data_config, is_training=False)
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output = model(transforms(img).unsqueeze(0)) # unsqueeze single image into batch of 1
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top5_probabilities, top5_class_indices = torch.topk(output.softmax(dim=1) * 100, k=5)
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```
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### Feature Map Extraction
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```python
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from urllib.request import urlopen
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from PIL import Image
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import timm
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img = Image.open(urlopen(
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'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
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))
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model = timm.create_model(
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'efficientnet_b2.ra_in1k',
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pretrained=True,
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features_only=True,
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)
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model = model.eval()
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# get model specific transforms (normalization, resize)
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data_config = timm.data.resolve_model_data_config(model)
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transforms = timm.data.create_transform(**data_config, is_training=False)
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output = model(transforms(img).unsqueeze(0)) # unsqueeze single image into batch of 1
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for o in output:
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# print shape of each feature map in output
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# e.g.:
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# torch.Size([1, 16, 128, 128])
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# torch.Size([1, 24, 64, 64])
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# torch.Size([1, 48, 32, 32])
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# torch.Size([1, 120, 16, 16])
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# torch.Size([1, 352, 8, 8])
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print(o.shape)
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```
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### Image Embeddings
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```python
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from urllib.request import urlopen
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from PIL import Image
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import timm
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img = Image.open(urlopen(
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'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
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))
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model = timm.create_model(
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'efficientnet_b2.ra_in1k',
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pretrained=True,
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num_classes=0, # remove classifier nn.Linear
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)
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model = model.eval()
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# get model specific transforms (normalization, resize)
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data_config = timm.data.resolve_model_data_config(model)
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transforms = timm.data.create_transform(**data_config, is_training=False)
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output = model(transforms(img).unsqueeze(0)) # output is (batch_size, num_features) shaped tensor
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# or equivalently (without needing to set num_classes=0)
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output = model.forward_features(transforms(img).unsqueeze(0))
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# output is unpooled, a (1, 1408, 8, 8) shaped tensor
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output = model.forward_head(output, pre_logits=True)
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# output is a (1, num_features) shaped tensor
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```
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## Model Comparison
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Explore the dataset and runtime metrics of this model in timm [model results](https://github.com/huggingface/pytorch-image-models/tree/main/results).
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## Citation
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```bibtex
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@inproceedings{tan2019efficientnet,
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title={Efficientnet: Rethinking model scaling for convolutional neural networks},
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author={Tan, Mingxing and Le, Quoc},
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booktitle={International conference on machine learning},
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pages={6105--6114},
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year={2019},
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organization={PMLR}
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}
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```
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```bibtex
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@misc{rw2019timm,
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author = {Ross Wightman},
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title = {PyTorch Image Models},
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year = {2019},
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publisher = {GitHub},
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journal = {GitHub repository},
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doi = {10.5281/zenodo.4414861},
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howpublished = {\url{https://github.com/huggingface/pytorch-image-models}}
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}
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```
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```bibtex
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@inproceedings{wightman2021resnet,
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title={ResNet strikes back: An improved training procedure in timm},
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author={Wightman, Ross and Touvron, Hugo and Jegou, Herve},
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booktitle={NeurIPS 2021 Workshop on ImageNet: Past, Present, and Future}
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}
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```
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config.json
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"num_classes": 1000,
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"num_features": 1408,
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"pretrained_cfg": {
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"custom_load": false,
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"input_size": [
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3,
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"num_classes": 1000,
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"num_features": 1408,
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"pretrained_cfg": {
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"tag": "ra_in1k",
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"custom_load": false,
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"input_size": [
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3,
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model.safetensors
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version https://git-lfs.github.com/spec/v1
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oid sha256:e9adbcce7e5d5055c571c4cafdcc7f920b6a6ec42e643c49dff1aabe1d5f53c5
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size 36757206
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