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kerasformers/
vit_base_patch16_384_orig_in21k_ft_in1k

Name: vit_base_patch16_384_orig_in21k_ft_in1k
Rating: 2.5 (29 reviews)

timm/vit_base_patch16_384.orig_in21k_ft_in1k

finetune

apache-2.0

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Run ViT with Keras 3: JAX, PyTorch, or TensorFlow

GitHub

kerasformers/vit_base_patch16_384_orig_in21k_ft_in1k

Paper: An Image is Worth 16x16 Words: Transformers for Image Recognition at Scale (arXiv:2010.11929) · HF Papers

Vision Transformer (ViT) patches an image and runs a transformer encoder. Use ViTImageClassify for logits or ViTModel for tokens / per-block features via as_backbone=True.

For more details on the model, please go to the upstream model card.

Pure-Keras 3 conversion of timm/vit_base_patch16_384.orig_in21k_ft_in1k for kerasformers. One implementation runs unmodified on TensorFlow / Torch / JAX.

This is an image-classification / backbone checkpoint (ViTImageClassify / ViTModel).

✨ Quick start

python

import os
os.environ["KERAS_BACKEND"] = "torch"  # or "jax" / "tensorflow"

from PIL import Image
import numpy as np
from kerasformers.models.vit import ViTImageClassify, ViTModel

model = ViTImageClassify.from_weights("kerasformers/vit_base_patch16_384_orig_in21k_ft_in1k")
backbone = ViTModel.from_weights(
    "kerasformers/vit_base_patch16_384_orig_in21k_ft_in1k", as_backbone=True
)

image = Image.open("your_image.jpg").convert("RGB")
image = image.resize((224, 224))
x = np.asarray(image, dtype="float32")[None]  # (1, H, W, 3)
print(model(x).shape)  # (1, num_classes)
feats = backbone(x)
print(len(feats), [tuple(f.shape) for f in feats])

Load any ViT variant the same way with from_weights("kerasformers/<variant>"):

Variant	Hub
`vit_base_patch16_224_augreg_in1k`	`kerasformers/vit_base_patch16_224_augreg_in1k`
`vit_base_patch16_224_augreg_in21k`	`kerasformers/vit_base_patch16_224_augreg_in21k`
`vit_base_patch16_224_augreg_in21k_ft_in1k`	`kerasformers/vit_base_patch16_224_augreg_in21k_ft_in1k`
`vit_base_patch16_224_orig_in21k_ft_in1k`	`kerasformers/vit_base_patch16_224_orig_in21k_ft_in1k`
`vit_base_patch16_384_augreg_in1k`	`kerasformers/vit_base_patch16_384_augreg_in1k`
`vit_base_patch16_384_augreg_in21k_ft_in1k`	`kerasformers/vit_base_patch16_384_augreg_in21k_ft_in1k`
`vit_base_patch16_384_orig_in21k_ft_in1k`	`kerasformers/vit_base_patch16_384_orig_in21k_ft_in1k`
`vit_base_patch32_224_augreg_in1k`	`kerasformers/vit_base_patch32_224_augreg_in1k`
`vit_base_patch32_224_augreg_in21k`	`kerasformers/vit_base_patch32_224_augreg_in21k`
`vit_base_patch32_224_augreg_in21k_ft_in1k`	`kerasformers/vit_base_patch32_224_augreg_in21k_ft_in1k`
`vit_base_patch32_384_augreg_in1k`	`kerasformers/vit_base_patch32_384_augreg_in1k`
`vit_base_patch32_384_augreg_in21k_ft_in1k`	`kerasformers/vit_base_patch32_384_augreg_in21k_ft_in1k`
`vit_large_patch16_224_augreg_in21k`	`kerasformers/vit_large_patch16_224_augreg_in21k`
`vit_large_patch16_224_augreg_in21k_ft_in1k`	`kerasformers/vit_large_patch16_224_augreg_in21k_ft_in1k`
`vit_large_patch16_384_augreg_in21k_ft_in1k`	`kerasformers/vit_large_patch16_384_augreg_in21k_ft_in1k`
`vit_large_patch32_384_orig_in21k_ft_in1k`	`kerasformers/vit_large_patch32_384_orig_in21k_ft_in1k`
`vit_small_patch16_224_augreg_in1k`	`kerasformers/vit_small_patch16_224_augreg_in1k`
`vit_small_patch16_224_augreg_in21k`	`kerasformers/vit_small_patch16_224_augreg_in21k`
`vit_small_patch16_224_augreg_in21k_ft_in1k`	`kerasformers/vit_small_patch16_224_augreg_in21k_ft_in1k`
`vit_small_patch16_384_augreg_in1k`	`kerasformers/vit_small_patch16_384_augreg_in1k`
`vit_small_patch16_384_augreg_in21k_ft_in1k`	`kerasformers/vit_small_patch16_384_augreg_in21k_ft_in1k`
`vit_small_patch32_224_augreg_in21k`	`kerasformers/vit_small_patch32_224_augreg_in21k`
`vit_small_patch32_224_augreg_in21k_ft_in1k`	`kerasformers/vit_small_patch32_224_augreg_in21k_ft_in1k`
`vit_small_patch32_384_augreg_in21k_ft_in1k`	`kerasformers/vit_small_patch32_384_augreg_in21k_ft_in1k`
`vit_tiny_patch16_224_augreg_in21k`	`kerasformers/vit_tiny_patch16_224_augreg_in21k`
`vit_tiny_patch16_224_augreg_in21k_ft_in1k`	`kerasformers/vit_tiny_patch16_224_augreg_in21k_ft_in1k`
`vit_tiny_patch16_384_augreg_in21k_ft_in1k`	`kerasformers/vit_tiny_patch16_384_augreg_in21k_ft_in1k`

Tips

Set KERAS_BACKEND before importing Keras / kerasformers.
ViTImageClassify returns class logits; ViTModel returns features (as_backbone=True for multi-scale stages).
See docs and Loading Weights.
Upstream / timm checkpoints: ViTImageClassify.from_weights("hf:timm/vit_base_patch16_384.orig_in21k_ft_in1k").

Special Thanks

A huge thank you to the ViT authors and the timm / Hub communities for creating and releasing these models.

License: see YAML license (usually matches the upstream checkpoint).