Update model config and README
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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 mobilenetv3_large_100.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 mobilenetv3_large_100.ra_in1k
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A MobileNet-v3 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): 5.5
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- GMACs: 0.2
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- Activations (M): 4.4
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- Image size: 224 x 224
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- **Papers:**
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- Searching for MobileNetV3: https://arxiv.org/abs/1905.02244
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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('mobilenetv3_large_100.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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'mobilenetv3_large_100.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, 112, 112])
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# torch.Size([1, 24, 56, 56])
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# torch.Size([1, 40, 28, 28])
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# torch.Size([1, 112, 14, 14])
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# torch.Size([1, 960, 7, 7])
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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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'mobilenetv3_large_100.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, 960, 7, 7) 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{howard2019searching,
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title={Searching for mobilenetv3},
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author={Howard, Andrew and Sandler, Mark and Chu, Grace and Chen, Liang-Chieh and Chen, Bo and Tan, Mingxing and Wang, Weijun and Zhu, Yukun and Pang, Ruoming and Vasudevan, Vijay and others},
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booktitle={Proceedings of the IEEE/CVF international conference on computer vision},
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pages={1314--1324},
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year={2019}
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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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