timm
timm/tf_efficientnet_b0.ns_jft_in1k
Model Type: Image classification / feature backbone - Model Stats: - Params (M): 5.3 - GMACs: 0.4 - Activations (M): 6.7 - Image size: 224 x...
Model Documentation
Model card for tf_efficientnet_b0.ns_jft_in1k
A EfficientNet image classification model. Trained on ImageNet-1k and unlabeled JFT-300m using Noisy Student semi-supervised learning in Tensorflow by paper authors, ported to PyTorch by Ross Wightman.
Model Details
Model Usage
Image Classification
python
from urllib.request import urlopen
from PIL import Image
import timm
img = Image.open(urlopen(
'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))
model = timm.create_model('tf_efficientnet_b0.ns_jft_in1k', pretrained=True)
model = model.eval()
get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)
output = model(transforms(img).unsqueeze(0)) unsqueeze single image into batch of 1
top5_probabilities, top5_class_indices = torch.topk(output.softmax(dim=1) * 100, k=5)
Feature Map Extraction
python
from urllib.request import urlopen
from PIL import Image
import timm
img = Image.open(urlopen(
'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))
model = timm.create_model(
'tf_efficientnet_b0.ns_jft_in1k',
pretrained=True,
features_only=True,
)
model = model.eval()
get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)
output = model(transforms(img).unsqueeze(0)) unsqueeze single image into batch of 1
for o in output:
print shape of each feature map in output
e.g.:
torch.Size([1, 16, 112, 112])
torch.Size([1, 24, 56, 56])
torch.Size([1, 40, 28, 28])
torch.Size([1, 112, 14, 14])
torch.Size([1, 320, 7, 7])
print(o.shape)
Image Embeddings
python
from urllib.request import urlopen
from PIL import Image
import timm
img = Image.open(urlopen(
'https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/beignets-task-guide.png'
))
model = timm.create_model(
'tf_efficientnet_b0.ns_jft_in1k',
pretrained=True,
num_classes=0, remove classifier nn.Linear
)
model = model.eval()
get model specific transforms (normalization, resize)
data_config = timm.data.resolve_model_data_config(model)
transforms = timm.data.create_transform(**data_config, is_training=False)
output = model(transforms(img).unsqueeze(0)) output is (batch_size, num_features) shaped tensor
or equivalently (without needing to set num_classes=0)
output = model.forward_features(transforms(img).unsqueeze(0))
output is unpooled, a (1, 1280, 7, 7) shaped tensor
output = model.forward_head(output, pre_logits=True)
output is a (1, num_features) shaped tensor
Model Comparison
Explore the dataset and runtime metrics of this model in timm model results.Citation
bibtex
@inproceedings{tan2019efficientnet,
title={Efficientnet: Rethinking model scaling for convolutional neural networks},
author={Tan, Mingxing and Le, Quoc},
booktitle={International conference on machine learning},
pages={6105--6114},
year={2019},
organization={PMLR}
}
bibtex
@article{Xie2019SelfTrainingWN,
title={Self-Training With Noisy Student Improves ImageNet Classification},
author={Qizhe Xie and Eduard H. Hovy and Minh-Thang Luong and Quoc V. Le},
journal={2020 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)},
year={2019},
pages={10684-10695}
}
bibtex
@misc{rw2019timm,
author = {Ross Wightman},
title = {PyTorch Image Models},
year = {2019},
publisher = {GitHub},
journal = {GitHub repository},
doi = {10.5281/zenodo.4414861},
howpublished = {\url{https://github.com/huggingface/pytorch-image-models}}
}
Files & Weights
| Filename | Size | Action |
|---|---|---|
| model.safetensors | 0.02 GB | |
| pytorch_model.bin | 0.02 GB |