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README.md

fMoW: Functional Map of the World

This code was developed by JHU/APL.

References

If you use our dataset or code, please cite our paper:

@inproceedings{fmow2018,
  title={Functional Map of the World},
  author={Christie, Gordon and Fendley, Neil and Wilson, James and Mukherjee, Ryan},
  booktitle={CVPR},
  year={2018}
}

Dependencies

The following libraries were used for training/testing the deep learning models:

Keras 2.0.8

Tensorflow 1.3.0

DenseNet from titu1994/DenseNet

Dataset

The following directory structure was used for training/testing:


fmow_dataset/
    train/
        airport/
            airport_0/
                airport_0_0_rgb.jpg
                airport_0_0_rgb.json
                ...
                airport_0_5_rgb.jpg
                airport_0_5_rgb.json
            ...
        ...
        
        zoo/
            zoo_0/
                zoo_0_0_rgb.jpg
                zoo_0_0_rgb.json
                ...
                zoo_0_8_rgb.jpg
                zoo_0_8_rgb.json
                
                ...

    test/
        0000000/
            0000000_0_rgb.jpg
            0000000_0_rgb.json
            ...
            0000000_5_rgb.jpg
            0000000_5_rgb.json
        ...

Results Format

This code will output txt files in the format required by Topcoder, where each line contains comma-separated values of the bounding box ID and a string containing the category. The txt files are stored in:

data/output

Running the Code

To first prepare the dataset for training and testing, change the following line in params.py to point to the RGB-only version of the dataset:

directories['dataset'] = '../../fmow_dataset'

Our code does not currently operate on the full (TIFF) version of the fMoW dataset, but this should be possible with simple code changes.

To process the dataset, saving the AOIs and saving metadata feature vectors, run the following code (note: this may take hours and will generate files occupying ~8.7GB):

python runBaseline.py -prepare

Once this is complete, the following arguments can be passed in to run different parts of the code:

-all: run everything
-cnn: train the CNN (default: with metadata -- use -nm to use only image features)
-codes: generate and save feature vectors to be passed to an LSTM
-lstm: train the LSTM using the codes generated by the CNN and concatenate metadata features (unless -nm argument used)
-test: generate predictions files using both CNN and LSTM models
-test_cnn: generate a predictions file only using the CNN
-test_lstm: generate a predictions file only using the LSTM
-nm: do not use metadata for training or testing

Pre-trained Models

Pre-trained models can be found under Releases: https://github.com/fMoW/baseline/releases

License

The license is Apache 2.0. See LICENSE.

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