timm documentation
ViTamin
ViTamin
Category: Hybrid · Code: timm/models/vitamin.py · Architectures: 13 · Pretrained weights: 15 (0 with ImageNet-1k results)
ViTamin is a vision model designed for vision-language models, with convolutional (MBConv) stages followed by transformer stages. The weights are CLIP image towers.
Papers
Usage
See the Quickstart for loading pretrained weights, image preprocessing and fine-tuning, and Feature Extraction for using the models as backbones.
>>> import timm
>>> model = timm.create_model('vitamin_base_224.datacomp1b_clip', pretrained=True)
>>> data_config = timm.data.resolve_model_data_config(model)Model API support
✓ supported, ✓ (square) works for square sizes only, ✗ not supported, – not needed (the model already accepts any input
size). Checked by running each feature on a randomly initialized model (VisionTransformer with vitamin_small_224 at
224), other architectures of the same class are expected to behave the same. See the Model API page for
details.
Architectures
| Architecture | Params (M) | GMACs | Input size | Pretrained weights |
|---|---|---|---|---|
vitamin_base_224 | 87.72 | 22.68 | 224 | 2 |
vitamin_large2_224 | 333.58 | 75.05 | 224 | 1 |
vitamin_large2_256 | 333.64 | 99.00 | 256 | 1 |
vitamin_large2_336 | 333.83 | 175.72 | 336 | 1 |
vitamin_large2_384 | 333.97 | 234.44 | 384 | 1 |
vitamin_large_224 | 333.32 | 75.05 | 224 | 1 |
vitamin_large_256 | 333.38 | 99.00 | 256 | 1 |
vitamin_large_336 | 333.57 | 175.72 | 336 | 1 |
vitamin_large_384 | 333.71 | 234.44 | 384 | 1 |
vitamin_small_224 | 22.17 | 5.92 | 224 | 2 |
vitamin_xlarge_256 | 436.06 | 130.13 | 256 | 1 |
vitamin_xlarge_336 | 436.06 | 230.18 | 336 | 1 |
vitamin_xlarge_384 | 436.06 | 306.38 | 384 | 1 |
GMACs and parameter counts are for the default input size and classifier of each architecture, from the benchmark results.
Pretrained weights
Top-1 is ImageNet-1k validation accuracy from results-imagenet.csv at
the listed eval size, - if the weight has no ImageNet-1k result (e.g. pretraining or image-text weights). Classes is the
size of the pretrained classifier, none for weights without one.
| Weight | Input size | Top-1 (%) | Eval size | Classes | License | Hub |
|---|---|---|---|---|---|---|
vitamin_base_224.datacomp1b_clip | 224 | - | - | 768 | mit | jienengchen/ViTamin-B |
vitamin_base_224.datacomp1b_clip_ltt | 224 | - | - | 768 | mit | jienengchen/ViTamin-B-LTT |
vitamin_large2_224.datacomp1b_clip | 224 | - | - | 1024 | mit | jienengchen/ViTamin-L2-224px |
vitamin_large2_256.datacomp1b_clip | 256 | - | - | 1024 | mit | jienengchen/ViTamin-L2-256px |
vitamin_large2_336.datacomp1b_clip | 336 | - | - | 1024 | mit | jienengchen/ViTamin-L2-336px |
vitamin_large2_384.datacomp1b_clip | 384 | - | - | 1024 | mit | jienengchen/ViTamin-L2-384px |
vitamin_large_224.datacomp1b_clip | 224 | - | - | 768 | mit | jienengchen/ViTamin-L-224px |
vitamin_large_256.datacomp1b_clip | 256 | - | - | 768 | mit | jienengchen/ViTamin-L-256px |
vitamin_large_336.datacomp1b_clip | 336 | - | - | 768 | mit | jienengchen/ViTamin-L-336px |
vitamin_large_384.datacomp1b_clip | 384 | - | - | 768 | mit | jienengchen/ViTamin-L-384px |
vitamin_small_224.datacomp1b_clip | 224 | - | - | 384 | mit | jienengchen/ViTamin-S |
vitamin_small_224.datacomp1b_clip_ltt | 224 | - | - | 768 | mit | jienengchen/ViTamin-S-LTT |
vitamin_xlarge_256.datacomp1b_clip | 256 | - | - | 1152 | mit | jienengchen/ViTamin-XL-256px |
vitamin_xlarge_336.datacomp1b_clip | 336 | - | - | 1152 | mit | jienengchen/ViTamin-XL-336px |
vitamin_xlarge_384.datacomp1b_clip | 384 | - | - | 1152 | mit | jienengchen/ViTamin-XL-384px |
Citation
@inproceedings{chen2024vitamin,
title={ViTamin: Designing Scalable Vision Models in the Vision-language Era},
author={Chen, Jieneng and Yu, Qihang and Shen, Xiaohui and Yuille, Alan and Chen, Liang-Chieh},
booktitle={Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition},
year={2024}
}