Official pytorch implementation of the AAAI 2021 paper Semantic Grouping Network for Video Captioning

Related tags

Deep LearningSGN
Overview

Semantic Grouping Network for Video Captioning

Hobin Ryu, Sunghun Kang, Haeyong Kang, and Chang D. Yoo. AAAI 2021. [arxiv]

Environment

  • Ubuntu 16.04
  • CUDA 9.2
  • cuDNN 7.4.2
  • Java 8
  • Python 2.7.12
    • PyTorch 1.1.0
    • Other python packages specified in requirements.txt

Usage

1. Setup

$ pip install -r requirements.txt

2. Prepare Data

  1. Download the GloVe Embedding from here and locate it at data/Embeddings/GloVe/GloVe_300.json.

  2. Extract features from datasets and locate them at data/ /features/ .hdf5 .

    e.g. ResNet101 features of the MSVD dataset will be located at data/MSVD/features/ResNet101.hdf5.

    I refer to this repo for extracting the ResNet101 features, and this repo for extracting the 3D-ResNext101 features.

  3. Split the features into train, val, and test sets by running following commands.

    $ python -m split.MSVD
    $ python -m split.MSR-VTT
    

You can skip step 2-3 and download below files

3. Prepare The Code for Evaluation

Clone the evaluation code from the official coco-evaluation repo.

$ git clone https://github.com/tylin/coco-caption.git
$ mv coco-caption/pycocoevalcap .
$ rm -rf coco-caption

4. Extract Negative Videos

$ python extract_negative_videos.py

or you can skip this step as the output files are already uploaded at data/ /metadata/neg_vids_ .json

5. Train

$ python train.py

You can change some hyperparameters by modifying config.py.

Pretrained Models - SGN(R101+RN)

*Disclaimer: The models above do not have the same weight as the models used in the paper (I trained them again because I lost).

6. Evaluate

$ python evaluate.py --ckpt_fpath 
   

   

License

The source-code in this repository is released under MIT License.

Owner
Hobin Ryu
Hobin Ryu
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