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vit_base_patch16_224.augreg_in21k

ViT-Base with 16×16 patches, pre-trained on ImageNet-21k using AugReg (augmentation and regularisation), producing a strong transfer learning backbone before ImageNet-1k fine-tuning. This checkpoint is the pre-fine-tuned version; it is typically fine-tuned downstream rather than used directly for classification. The AugReg recipe significantly improves transfer performance over vanilla ViT-B/16 pre-training.

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From the model card

Fields below are copied from the tags and counters on the HuggingFace repository timm/vit_base_patch16_224.augreg_in21k at our last fetch. They are set by the uploader, not verified by us; rows with no tag are omitted. How this page is made.

Publisher (HF namespace)
timm
Pipeline tag
image-classification
Library
timm, Transformers
Framework tags
PyTorch
Weight formats
safetensors
License tag
apache-2.0 — read the license file in the repo before relying on it
Papers cited
arXiv:2106.10270, arXiv:2010.11929
Datasets declared
imagenet-21k
Downloads (HF counter at last fetch)
442,613
Likes (HF counter at last fetch)
11
Model card
https://huggingface.co/timm/vit_base_patch16_224.augreg_in21k

Use cases

  • Transfer learning backbone for custom image classification tasks
  • Feature extraction for downstream retrieval or clustering pipelines
  • Pre-trained initialisation for medical or satellite image fine-tuning
  • Ablation studies comparing AugReg vs plain ImageNet-21k pre-training
  • Teaching ViT fine-tuning workflows with a well-studied checkpoint

Pros

  • AugReg pre-training yields better downstream transfer than standard ViT-B/16
  • Apache 2.0 license; timm ecosystem provides comprehensive fine-tuning utilities
  • Thoroughly benchmarked; performance numbers are easy to find in literature
  • Patch16 is the most widely supported ViT configuration across frameworks

Cons

  • ImageNet-21k labels contain noise; downstream tasks with different visual distributions may need more fine-tuning
  • 224px resolution; high-resolution tasks require interpolating position embeddings
  • ViT-Base is outperformed on most benchmarks by later architectures like ConvNeXt-B and DeiT-III
  • timm dependency can conflict with other vision library requirements

Tags

timmpytorchsafetensorsimage-classificationtransformersdataset:imagenet-21karxiv:2106.10270arxiv:2010.11929license:apache-2.0region:us