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Official repository for the paper Crossmodal clustered contrastive learning: Grounding of spoken language to gesture

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CC-NCE

This is the official repository for the paper Crossmodal clustered contrastive learning: Grounding of spoken language to gesture

Dong Won Lee, Chaitanya Ahuja, Louis-Philippe Morency - GENEA @ ICMI 2021

License: MIT

Links: Paper, Presentation Video, Dataset Website [1]

Overview

drawing

This repo has information on the training code and pre-trained models.

For the dataset, we refer you to:

For the purposes of this repository, we assume that the dataset is downloaded to ../data/

This repo is divided into the following sections:

Clone

Clone only the master branch,

git clone https://github.com/dondongwon/CC_NCE_GENEA.git

Set up Environment

  • pycasper
mkdir ../pycasper
git clone https://github.com/chahuja/pycasper ../pycasper
ln -s ../pycasper/pycasper .
  • Create an anaconda or a virtual enviroment and activate it
pip install -r requirements.txt

Training

To train a model from scratch, run the following script after chaging directory to src,

python train.py 
-path2data ../data ## path to data files
-seed 11212 / manual seed
-cpk 1GlobalNoDTW \ ## checkpoint name which is a part of experiment file PREFIX
-exp 1 \ ## creates a unique experiment number
-speaker '["lec_cosmic"]' \ ## Speaker
-save_dir save/aisle \ ## save directory
-num_cluster 8 \ ## number of clusters in the Conditional Mix-GAN
-model JointLateClusterSoftContrastiveGlobalDTW_G \ ## Name of the model
-fs_new '15' \ ## frame rate of each modality
-modalities '["pose/normalize", "audio/log_mel_400", "text/tokens"]' \ ## all modalities as a list. output modality first, then input modalities
-gan 1 \ ## Flag to train with a discriminator on the output
-loss L1Loss \ ## Choice of loss function. Any loss function torch.nn.* will work here
-window_hop 5 \ ## Hop size of the window for the dataloader
-render 0 \ ## flag to render. Default 0
-batch_size 32 \ ## batch size
-num_epochs 20 \ ## total number of epochs
-stop_thresh 3 \ number of consequetive validation loss increses before stopping
-overfit 0 \ ## flag to overfit (for debugging)
-early_stopping 1 \ ## flag to perform early stopping 
-dev_key dev_spatialNorm \ ## metric used to choose the best model
-feats '["pose", "velocity", "speed"]' \ ## Festures used to make the clusters
-note 1GlobalNoDTW \ ## Notes about the model
-dg_iter_ratio 1 \ ## Discriminator Generator Iteration Ratio
-repeat_text 0 \ ## tokens are not repeated to match the audio frame rate
-num_iters 100  \ ## breaks the loop after number of iteration
-min_epochs 10 \ ## early stopping can occur after these many epochs occur
-optim AdamW \ ## AdamW optimizer
-lr 0.0001 \ ## Learning Rate
-DTW 0 \ ## Use dynamic time warping to construct clusters in the output space of poses

Example scripts for training models in the paper can be found as follows,

Inference

Inference for quantitative evaluation

python sample.py \
-load <path2weights> \ ## path to PREFIX_weights.p file
-path2data ../data ## path to data

Rendering

python render.py \
-render 20 \ ## number of intervals to render
-load <path2weights> \ ## path to PREFIX_weights.p file
-render_text 1 ## if 1, render text on the video as well.
-path2data ../data ## path to data

References

[1] - Ahuja, Chaitanya et al. "Style Transfer for Co-Speech Gesture Animation: A Multi-Speaker Conditional Mixture Approach" ECCV 2020.
[2] - Kucherenko, Taras, et al. "Gesticulator: A framework for semantically-aware speech-driven gesture generation." ICMI 2020.
[3] - Ginosar, Shiry, et al. "Learning individual styles of conversational gesture." CVPR 2019.

Other cool stuff

If you enjoyed this work, I would recommend the following projects which study different axes of nonverbal grounding,

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Official repository for the paper Crossmodal clustered contrastive learning: Grounding of spoken language to gesture

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