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This repo use transfer learning to build an image classifier for flowers

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qchaldemer/image-classifier

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Motivation

  • Command line application to train & predict with a classifier for flowers species

Files

Train a new network on a data set with train.py

  • Basic usage: python train.py data_directory
  • Prints out training loss, validation loss, and validation accuracy as the network trains
    • Options:
      • Set directory to save checkpoints: python train.py data_dir --save_dir save_directory
      • Choose architecture: python train.py data_dir --arch "vgg13"
      • Set hyperparameters: python train.py data_dir --learning_rate 0.01 --hidden_units 512 --epochs 20
      • Use GPU for training: python train.py data_dir --gpu

Predict flower name from an image with predict.py along with the probability of that name. That is, pass in a single image /path/to/image and return the flower name and class probability.

  • Basic usage: python predict.py /path/to/image checkpoint
  • Options:
    • Return top KK most likely classes: python predict.py input checkpoint --top_3
    • Use a mapping of categories to real names: python predict.py input checkpoint --category_names cat_to_nameson
    • Use GPU for inference: python predict.py input checkpoint --gpu

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This repo use transfer learning to build an image classifier for flowers

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