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kerasformers/
resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k

Name: resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k
Availability: InStock

timm/resnext101_32x8d.fb_ssl_yfcc100m_ft_in1k

finetune

cc-by-nc-4.0

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See our collection for all versions of ResNeXt.

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

GitHub

zeromodels/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k

Paper: Aggregated Residual Transformations for Deep Neural Networks (arXiv:1611.05431) · HF Papers

ResNeXt aggregates residual transformations with cardinality (grouped convolutions). Drop-in ImageNet classifier or multi-scale backbone.

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

Pure-Keras 3 conversion of timm/resnext101_32x8d.fb_ssl_yfcc100m_ft_in1k for zeromodels. One implementation runs unmodified on TensorFlow / Torch / JAX.

This is an image-classification / backbone checkpoint (ResNeXtImageClassify / ResNeXtModel).

✨ Quick start

python

import os

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

from PIL import Image
from zeromodels.models.resnext import ResNeXtImageClassify, ResNeXtModel, ResNeXtImageProcessor

model = ResNeXtImageClassify.from_weights("zeromodels/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k")
processor = ResNeXtImageProcessor.from_weights("zeromodels/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k")

image = Image.open("your_image.jpg").convert("RGB")
pixels = processor(image)  # resize + normalize (normalization lives in the processor)
logits = model(pixels, training=False)
print(logits.shape)  # (1, num_classes)

# Feature extraction: the backbone without the classifier head
backbone = ResNeXtModel.from_weights("zeromodels/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k", as_backbone=True)
features = backbone(pixels, training=False)

Load any ResNeXt variant the same way with from_weights("zeromodels/<variant>"):

Variant	Hub
`resnext101_32x16d_fb_ssl_yfcc100m_ft_in1k`	`zeromodels/resnext101_32x16d_fb_ssl_yfcc100m_ft_in1k`
`resnext101_32x16d_fb_swsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x16d_fb_swsl_ig1b_ft_in1k`
`resnext101_32x16d_fb_wsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x16d_fb_wsl_ig1b_ft_in1k`
`resnext101_32x32d_fb_wsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x32d_fb_wsl_ig1b_ft_in1k`
`resnext101_32x4d_fb_ssl_yfcc100m_ft_in1k`	`zeromodels/resnext101_32x4d_fb_ssl_yfcc100m_ft_in1k`
`resnext101_32x4d_fb_swsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x4d_fb_swsl_ig1b_ft_in1k`
`resnext101_32x4d_gluon_in1k`	`zeromodels/resnext101_32x4d_gluon_in1k`
`resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k`	`zeromodels/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k`
`resnext101_32x8d_fb_swsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x8d_fb_swsl_ig1b_ft_in1k`
`resnext101_32x8d_fb_wsl_ig1b_ft_in1k`	`zeromodels/resnext101_32x8d_fb_wsl_ig1b_ft_in1k`
`resnext101_32x8d_tv_in1k`	`zeromodels/resnext101_32x8d_tv_in1k`
`resnext50_32x4d_a1_in1k`	`zeromodels/resnext50_32x4d_a1_in1k`
`resnext50_32x4d_gluon_in1k`	`zeromodels/resnext50_32x4d_gluon_in1k`
`resnext50_32x4d_tv_in1k`	`zeromodels/resnext50_32x4d_tv_in1k`

Tips

Set KERAS_BACKEND before importing Keras / zeromodels.
ResNeXtImageClassify returns class logits; ResNeXtModel returns features (as_backbone=True for multi-scale stages).
See docs and Loading Weights.
Upstream / timm checkpoints: ResNeXtImageClassify.from_weights("hf:timm/resnext101_32x8d.fb_ssl_yfcc100m_ft_in1k").

Special Thanks

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

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

kerasformers/resnext101_32x8d_fb_ssl_yfcc100m_ft_in1k