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VLC-BERT

VLC-BERT is a vision-language-commonsense transformer model that incoporates contextualized commonsense for external knowledge visual questioning tasks, OK-VQA and A-OKVQA.

Note: This repository has code for the VLC-BERT transformer model. For Knowledge generation and selection (generating the final commonsense inferences that go into VLC-BERT), please refer to this project.

Citing VLC-BERT

@misc{ravi-vlcbert,
  title = {VLC-BERT: Visual Question Answering with Contextualized Commonsense Knowledge},
  author = {Ravi, Sahithya and Chinchure, Aditya and Sigal, Leonid and Liao, Renjie and Shwartz, Vered},
  doi = {10.48550/ARXIV.2210.13626},
  url = {https://arxiv.org/abs/2210.13626},
  publisher = {arXiv},
  year = {2022}
}

Setup

Please follow instructions in SETUP.md file. This file also provides links to download pretrained models.

Train and Eval

Configuration files under the ./cfgs folder can be edited to your needs. It is currently set up for single-GPU training on an RTX 2080Ti (12 GB memory).

To run OK-VQA training:

# ./scripts/dist_run_single.sh 1 okvqa/train_end2end.py cfgs/okvqa/semQO-5-weak-attn.yaml ./

To run A-OKVQA training:

./scripts/dist_run_single.sh 1 aokvqa/train_end2end.py cfgs/aokvqa/semQO-5-weak-attn.yaml ./

To run evaluation (example):

python aokvqa/test.py \
  --cfg cfgs/aokvqa/base/semQO-5-weak-attn.yaml \
  --ckpt output/vlc-bert/aokvqa/base/semQO-5-weak-attn/train2017_train/vlc-bert_base_aokvqa-latest.model \
  --split test2017 \
  --gpus 0

Acknowledgement

We built VLC-BERT on top of VL-BERT: https://github.com/jackroos/VL-BERT

In addition, we would like to acknowledge that we use the following works extensively: