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keras/
efficientnet_b0_ra_imagenet

Name: efficientnet_b0_ra_imagenet
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Model Overview

EfficientNets are a family of image classification models, which achieve state-of-the-art accuracy, yet being an order-of-magnitude smaller and faster than previous models.

We develop EfficientNets based on AutoML and Compound Scaling. In particular, we first use AutoML MNAS Mobile framework to develop a mobile-size baseline network, named as EfficientNet-B0; Then, we use the compound scaling method to scale up this baseline to obtain EfficientNet-B1 to EfficientNet-B7.

This class encapsulates the architectures for both EfficientNetV1 and EfficientNetV2. EfficientNetV2 uses Fused-MBConv Blocks and Neural Architecture Search (NAS) to make models sizes much smaller while still improving overall model quality.

This model is supported in both KerasCV and KerasHub. KerasCV will no longer be actively developed, so please try to use KerasHub.

Installation

Keras and KerasHub can be installed with:

pip install -U -q keras-hub
pip install -U -q keras

Jax, TensorFlow, and Torch come preinstalled in Kaggle Notebooks. For instructions on installing them in another environment see the Keras Getting Started page.

Presets

The following model checkpoints are provided by the Keras team. Full code examples for each are available below.

Preset name	Parameters	Description
efficientnet_b0_ra_imagenet	5.3M	EfficientNet B0 model pre-trained on the ImageNet 1k dataset with RandAugment recipe.
efficientnet_b0_ra4_e3600_r224_imagenet	5.3M	EfficientNet B0 model pre-trained on the ImageNet 1k dataset by Ross Wightman. Trained with timm scripts using hyper-parameters inspired by the MobileNet-V4 small, mixed with go-to hparams from timm and 'ResNet Strikes Back'.
efficientnet_b1_ft_imagenet	7.8M	EfficientNet B1 model fine-tuned on the ImageNet 1k dataset.
efficientnet_b1_ra4_e3600_r240_imagenet	7.8M	EfficientNet B1 model pre-trained on the ImageNet 1k dataset by Ross Wightman. Trained with timm scripts using hyper-parameters inspired by the MobileNet-V4 small, mixed with go-to hparams from timm and 'ResNet Strikes Back'.
efficientnet_b2_ra_imagenet	9.1M	EfficientNet B2 model pre-trained on the ImageNet 1k dataset with RandAugment recipe.
efficientnet_b3_ra2_imagenet	12.2M	EfficientNet B3 model pre-trained on the ImageNet 1k dataset with RandAugment2 recipe.
efficientnet_b4_ra2_imagenet	19.3M	EfficientNet B4 model pre-trained on the ImageNet 1k dataset with RandAugment2 recipe.
efficientnet_b5_sw_imagenet	30.4M	EfficientNet B5 model pre-trained on the ImageNet 12k dataset by Ross Wightman. Based on Swin Transformer train / pretrain recipe with modifications (related to both DeiT and ConvNeXt recipes).
efficientnet_b5_sw_ft_imagenet	30.4M	EfficientNet B5 model pre-trained on the ImageNet 12k dataset and fine-tuned on ImageNet-1k by Ross Wightman. Based on Swin Transformer train / pretrain recipe with modifications (related to both DeiT and ConvNeXt recipes).
efficientnet_el_ra_imagenet	10.6M	EfficientNet-EdgeTPU Large model trained on the ImageNet 1k dataset with RandAugment recipe.
efficientnet_em_ra2_imagenet	6.9M	EfficientNet-EdgeTPU Medium model trained on the ImageNet 1k dataset with RandAugment2 recipe.
efficientnet_es_ra_imagenet	5.4M	EfficientNet-EdgeTPU Small model trained on the ImageNet 1k dataset with RandAugment recipe.
efficientnet2_rw_m_agc_imagenet	53.2M	EfficientNet-v2 Medium model trained on the ImageNet 1k dataset with adaptive gradient clipping.
efficientnet2_rw_s_ra2_imagenet	23.9M	EfficientNet-v2 Small model trained on the ImageNet 1k dataset with RandAugment2 recipe.
efficientnet2_rw_t_ra2_imagenet	13.6M	EfficientNet-v2 Tiny model trained on the ImageNet 1k dataset with RandAugment2 recipe.
efficientnet_lite0_ra_imagenet	4.7M	EfficientNet-Lite model fine-trained on the ImageNet 1k dataset with RandAugment recipe.

Model card

https://arxiv.org/abs/1905.11946

Example Usage

Load

python

classifier = keras_hub.models.EfficientNetImageClassifier.from_preset(
    "efficientnet_b0_ra_imagenet",
)

Predict

python

batch_size = 1
images = keras.random.normal(shape=(batch_size, 96, 96, 3))
classifier.predict(images)

Train, specify num_classes to load randomly initialized classifier head.

python

num_classes = 2
labels = keras.random.randint(shape=(batch_size,), minval=0, maxval=num_classes)
classifier = keras_hub.models.EfficientNetImageClassifier.from_preset(
    "efficientnet_b0_ra_imagenet",
    num_classes=num_classes,
)
classifier.preprocessor.image_size = (96, 96)
classifier.fit(images, labels, epochs=3)

Example Usage with Hugging Face URI

Load

python

classifier = keras_hub.models.EfficientNetImageClassifier.from_preset(
    "hf://keras/efficientnet_b0_ra_imagenet",
)

Predict

python

batch_size = 1
images = keras.random.normal(shape=(batch_size, 96, 96, 3))
classifier.predict(images)

Train, specify num_classes to load randomly initialized classifier head.

python

num_classes = 2
labels = keras.random.randint(shape=(batch_size,), minval=0, maxval=num_classes)
classifier = keras_hub.models.EfficientNetImageClassifier.from_preset(
    "hf://keras/efficientnet_b0_ra_imagenet",
    num_classes=num_classes,
)
classifier.preprocessor.image_size = (96, 96)
classifier.fit(images, labels, epochs=3)

keras/efficientnet_b0_ra_imagenet

Model Overview

Links

Installation

Presets

Model card

Example Usage

Example Usage with Hugging Face URI

keras/
efficientnet_b0_ra_imagenet