Neural Sign Language Translation

This repo containts the training and evalution code of Sign2Text setup for translation sign langauge videos to spoken language sentences.

This code is based on an earlier version of Luong et al.'s Neural Machine Translation Tutorial.

Requirements

• Download and extract RWTH-PHOENIX-Weather 2014 T: Parallel Corpus of Sign Language Video, Gloss and Translation and then resize the images to 227x227
• Download and install Tensorflow 1.3.0+
• Download AlexNet TensorFlow weights and put it under the folder BaseModel

Usage

Training Sample Usage

python -m nmt --src=sign --tgt=de --train_prefix=Data/phoenix2014T.train --dev_prefix=Data/phoenix2014T.dev --test_prefix=Data/phoenix2014T.test --out_dir=<your_output_dir> --vocab_prefix=phoenix2014T.vocab --source_reverse=True --num_units=1000 --num_layers=4 --num_train_steps=150000 --residual=True --attention=luong --base_gpu=<gpu_id> --unit_type=gru

Inference Sample Usage

python -m nmt --out_dir=<your_model_dir> --inference_input_file=<input_video_paths.sign> --inference_output_file=<predictions.de> --inference_ref_file=<ground_truth.de> --base_gpu=<gpu_id>

Reference

Please cite the paper below if you use this code in your research:

@inproceedings{camgoz2018neural,
  author = {Necati Cihan Camgoz and Simon Hadfield and Oscar Koller and Hermann Ney and Richard Bowden},
  title = {Neural Sign Language Translation},
  booktitle = {IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
  year = {2018}
}