REVIVE: Regional Visual Representation Matters in Knowledge-Based Visual Question Answering (NeurIPS 2022 Accepted)
REVIVE is a method for knowledge-based VQA task, as described in (link to paper).
This paper revisits visual representation in knowledge-based visual question answering (VQA) and demonstrates that using regional information in a better way can significantly improve the performance. While visual representation is extensively studied in traditional VQA, it is under-explored in knowledge-based VQA even though these two tasks share the common spirit, i.e., rely on visual input to answer the question. Specifically, we observe that in most state-of-the-art knowledge-based VQA methods: 1) visual features are extracted either from the whole image or in a sliding window manner for retrieving knowledge, and the important relationship within/among object regions is neglected; 2) visual features are not well utilized in the final answering model, which is counter-intuitive to some extent. Based on these observations, we propose a new knowledge-based VQA method REVIVE, which tries to utilize the explicit information of object regions not only in the knowledge retrieval stage but also in the answering model. The key motivation is that object regions and inherent relationship are important for knowledge-based VQA. We perform extensive experiments on the standard OK-VQA dataset and achieve new state-of-the-art performance, i.e., 58.0% accuracy, surpassing previous state-of-the-art method by a large margin (+3.6%). We also conduct detailed analysis and show the necessity of regional information in different framework components for knowledge-based VQA.
Many thanks for your attention to our work!!!
If you find our project is helpful for your research, please kindly give us a 🌟 and cite our paper 📑 :)
@article{lin2022revive,
title={Revive: Regional visual representation matters in knowledge-based visual question answering},
author={Lin, Yuanze and Xie, Yujia and Chen, Dongdong and Xu, Yichong and Zhu, Chenguang and Yuan, Lu},
journal={arXiv preprint arXiv:2206.01201},
year={2022}
}
To establish the environment, just run this code in the shell:
git clone https://github.com/yzleroy/REVIVE.git
cd REVIVE
conda env create -f requirements.yaml
conda activate revive
That will create the environment revive we used.
We provide the pre-processed data, it contains visual features, implicit/explicit knowledge, bounding boxes, caption, tags for each sample.
Download the pre-processed data, which contains two files ("train.pkl" and "test.pkl").
pip install gdown
gdown https://drive.google.com/uc?id=1kP_xeuUCAS5wqWQwuwVItDgRTAbEjUeM&export=download
unzip processed_data.zip
It will create a folder data:
REVIVE
├── ...
├── processed_data
│ ├── train.pkl
│ ├── test.pkl
└── ...
Note that in "train.pkl" and "test.pkl" data, the meanings of the keys are explained as following:
"im_ctxs": implicit knowledge, each one among it means one implicit knowledge sample.
"ex_ctxs": explicit knowledge, each one among it means one explicit knowledge sample.
"boxes": detected bounding boxes from the object detector.
"vis_feat": visual features which correspond to the detected bounding boxes.
"tags": retrieved tags according to CLIP similarity.
| Model | Description | Accuracy(%) | Weight | Log |
|---|---|---|---|---|
| REVIVE (Single) | large size and trained with visual features, explicit and implicit knowledge | 56.6 | model.zip | run.log |
As for model ensembling, you can train three models with different seeds, and for each sample, you can get the final result with the highest occurence frequency among the three models' predictions, please refer to ensemble.py.
The prediction results of "single" and "ensemble" versions are shared:
| Model | Accuracy(%) | Download |
|---|---|---|
| REVIVE (Single) | 56.6 | prediction_acc56.6.json |
| REVIVE (Ensemble) | 58.1 | prediction_acc58.1.json |
Run the following command to start training (the A5000 training example):
export NGPU=4;
CUDA_VISIBLE_DEVICES=0,1,2,3 python -m torch.distributed.launch --nproc_per_node=4 --master_port 10847 train.py \
--train_data processed_data/train.pkl \
--eval_data processed_data/test.pkl \
--use_checkpoint \
--lr 0.00008 \
--model_size large \
--num_workers 16 \
--optim adamw \
--box_number 36 \
--scheduler linear \
--weight_decay 0.01 \
--save_freq 2000 \
--eval_freq 500 \
--print_freq 100 \
--text_maxlength 256 \
--seed 833 \
--name exp \
--checkpoint_dir ./checkpoints \
--per_gpu_batch_size 1 \
--n_block 9 \
--n_tags 30 \
--n_im_context 5 \
--n_ex_context 40 \
--total_step 10000 \
--warmup_step 1000
The whole training time is about 18 hours with 4 X A5000 GPUs.
Run the following command to start evaluation:
CUDA_VISIBLE_DEVICES=0 python test.py --eval_data processed_data/test.pkl \
--model_size large \
--per_gpu_batch_size 8 \
--num_workers 4 \
--box_number 36 \
--text_maxlength 256 \
--n_im_context 5 \
--n_ex_context 40 \
--name eval \
--model_path checkpoints/exp/checkpoint/best_dev/ \
--n_block 9 \
--n_tags 30 \
--write_results
It will not only output the final accuracy, but also generate the final results as "prediction.json" under the defined checkpoint directory path.
If your prediction json file is named as: "prediction.json".
Run the following command to start evaluation with json files:
python leaderboard_evaluation.py --pred_path prediction.json \
--gt_path eval/mscoco_val2014_annotations.json
If I cannot timely respond to your questions, you can send the email to yuanze@uw.edu.