fbnetv3_b.ra2_in1k

fbnetv3_b.ra2_in1k

timm

FBNet-v3 image classification model with 8.64M params, trained on ImageNet-1k using RandAugment recipe. Efficient architecture optimized for mobile/edge deployment.

PropertyValue
Parameter Count8.64M
Model TypeImage Classification
LicenseApache-2.0
DatasetImageNet-1k
FrameworkPyTorch (timm)

What is fbnetv3_b.ra2_in1k?

FBNetV3-B is an efficient neural architecture designed through joint architecture-recipe search, specifically optimized for mobile and edge devices. This variant has been trained on ImageNet-1k using the advanced RandAugment (RA2) recipe, which was highlighted in the "ResNet Strikes Back" paper.

Implementation Details

The model employs a sophisticated training approach utilizing RMSProp optimizer with TensorFlow 1.0 behavior and EMA weight averaging. It features a step-based learning rate schedule with warmup and operates on 224x224 images during training, scaling to 256x256 for testing.

  • Architecture: Efficient mobile-first design with 8.6M parameters
  • Computational efficiency: Only 0.4 GMACs
  • Memory footprint: 7.0M activations
  • Advanced augmentation: Implements RA2 (RandAugment) recipe

Core Capabilities

  • Image classification with 1000 classes (ImageNet)
  • Feature extraction for downstream tasks
  • Embedding generation for transfer learning
  • Efficient inference on resource-constrained devices

Frequently Asked Questions

Q: What makes this model unique?

This model stands out for its efficient architecture derived through joint architecture-recipe search, making it particularly suitable for mobile deployments while maintaining competitive accuracy. The implementation of the RA2 training recipe further enhances its performance.

Q: What are the recommended use cases?

The model is ideal for mobile and edge device deployments requiring image classification capabilities. It's particularly well-suited for applications where computational resources are limited but accurate image classification is necessary.

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