Code for the paper "Zero-shot Natural Language Video Localization" (ICCV2021, Oral).

Related tags

Deep LearningPSVL
Overview

Zero-shot Natural Language Video Localization (ZSNLVL) by Pseudo-Supervised Video Localization (PSVL)

This repository is for Zero-shot Natural Language Video Localization. (ICCV 2021, Oral)

We first propose a novel task of zero-shot natural language video localization. The proposed task setup does not require any paired annotation cost for NLVL task but only requires easily available text corpora, off-the-shelf object detector, and a collection of videos to localize. To address the task, we propose a Pseudo-Supervised Video Localization method, called PSVL, that can generate pseudo-supervision for training an NLVL model. Benchmarked on two widely used NLVL datasets, the proposed method exhibits competitive performance and performs on par or outperforms the models trained with stronger supervision.

task_nlvl


Environment

This repository is implemented base on PyTorch with Anaconda.
Refer to below instruction or use Docker (dcahn/psvl:latest).

Get the code

  • Clone this repo with git, please use:
git clone https://github.com/gistvision/PSVL.git
  • Make your own environment (If you use docker envronment, you just clone the code and execute it.)
conda create --name PSVL --file requirements.txt
conda activate PSVL

Working environment

  • RTX2080Ti (11G)
  • Ubuntu 18.04.5
  • pytorch 1.5.1

Download

Dataset & Pretrained model

  • This link is connected for downloading video features used in this paper.
    : After downloading the video feature, you need to set the data path in a config file.

  • This link is connected for downloading pre-trained model.

Evaluating pre-trained models

If you want to evaluate the pre-trained model, you can use below command.

python inference.py --model CrossModalityTwostageAttention --config "YOUR CONFIG PATH" --pre_trained "YOUR MODEL PATH"

Training models from scratch

To train PSVL, run train.py with below command.

# Training from scratch
python train.py --model CrossModalityTwostageAttention --config "YOUR CONFIG PATH"
# Evaluation
python inference.py --model CrossModalityTwostageAttention --config "YOUR CONFIG PATH" --pre_trained "YOUR MODEL PATH"

Lisence

MIT Lisence

Citation

If you use this code, please cite:

@inproceedings{nam2021zero,
  title={Zero-shot Natural Language Video Localization},
  author={Nam, Jinwoo and Ahn, Daechul and Kang, Dongyeop and Ha, Seong Jong and Choi, Jonghyun},
  booktitle={Proceedings of the IEEE/CVF International Conference on Computer Vision},
  pages={1470-1479},
  year={2021}
}

Contact

If you have any questions, please send e-mail to me ([email protected], [email protected])

Owner
Computer Vision Lab. @ GIST
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