README.md

---
license: apache-2.0
task_categories:
- video-text-to-text
language:
- en
pretty_name: DVD-Train
size_categories:
- 10K<n<100K
tags:
- video
- caption
- training
configs:
- config_name: en
  data_files:
  - split: train
    path: data/en/caption.parquet
---

# DVD-Train

Training set for **D**ialogue in **V**i**D**eos, containing detailed captions
describing what happens in each video (including who said what).

## Repository layout

```
DVD-Train/
├── data/
│   └── en/
│       └── caption.parquet    # English training captions
└── videos/
    └── en/
        └── *.mp4              # English training videos
```

## Annotation schema

Each row in `data/en/caption.parquet` contains:

| field     | type     | description                                                                                       |
|-----------|----------|---------------------------------------------------------------------------------------------------|
| `video`   | `string` | Video filename, e.g. `xxx.mp4`. The actual file is at `videos/en/<video>` in this repo.           |
| `caption` | `string` | Detailed video description including scene, actions and dialogue-level speaker attribution.       |

## Reference
If you find DVD-Train useful for your research, please cite our paper:

```bibtex
@article{tang2026dorca,
  title={{D-ORCA: Dialogue-Centric Optimization for Robust Audio-Visual Captioning}}, 
  author={Changli Tang and Tianyi Wang and Fengyun Rao and Jing LYU and Chao Zhang},
  journal={arXiv preprint arXiv:2602.07960},
  year={2026}
}
```