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Event Sequence Generation Network

Unoffical re-implementation of Event Sequence Selection Network (ESGN) in paper titled "streamlined dense video captioning". Note that we do not adopt SST to encode the proposal-level features, which is different from the original model.

Environment

  1. Python 3.6.2
  2. CUDA 10.0, PyTorch 1.2.0 (may work on other versions but has not been tested)
  3. other modules, run pip install -r requirement.txt

Prerequisites

  • C3D feature. Download C3D feature files (sub_activitynet_v1-3.c3d.hdf5) from here. Convert the h5 file into npy files and place them into ./data/c3d.

  • Download annotation files and pre-generated proposals files (top100 proposals generated by DBG) from Google Drive, and place them into ./data.

Usage

  • Training
cfg_path=cfgs/esgn.yml
python train.py --cfg_path $cfg_path

the checkpoint files are saved in this folder ./save.

  • Validation
python eval.py --eval_folder esgn_c3d_run0 
  • Validation with re-ranking
python eval.py --eval_folder esgn_c3d_run0 --eval_esgn_rerank

Performance

Model proposal model Avg proposal number Avg Recall Avg Precision F1 download
Original ESGN SST 2.85 55.58 57.57 56.66
My reimpl. DBG 2.73 52.67 58.90 55.62 url
My reimpl. with reranking DBG 1.66 37.66 67.47 48.33

Pretrained model

Download the pre-trained model and put it into ./save/esgn_c3d_run0, then run python eval.py --eval_folder esgn_c3d_run0.

References

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