---
license: cc-by-nc-4.0
pretty_name: PianoVid-R
task_categories:
  - video-classification
tags:
  - piano
  - music-transcription
  - fingering
  - audio-visual
size_categories:
  - 10K<n<100K
extra_gated_prompt: >-
  PianoVid-R is released under CC BY-NC 4.0 for non-commercial research. By requesting
  access you agree not to attempt to identify the pianists, not to redistribute the videos,
  and to cite the paper in work that uses the dataset.
extra_gated_fields:
  Name: text
  Affiliation: text
  I agree to the terms above: checkbox
---

# PianoVid-R

Video recordings of piano performances from 80 pianists, paired with the MIDI
recorded by the piano and fingering labels derived from the video. The dataset accompanies
the paper *A Video Dataset and Key-Aligned Model for Visual Piano Transcription and
Fingering Recognition* (Liu, Chen, Grüner, Koepke).

Paper: https://arxiv.org/abs/XXXX.XXXXX · Project page: https://timbermorph.github.io/PianoLite/ · Code: https://github.com/Timbermorph/PianoLite

All recordings were made on one Yamaha Disklavier under a fixed overhead camera, so onsets,
key releases and velocities come from the instrument rather than from audio transcription.
Video and MIDI are aligned to within one frame for almost every recording. Fingering labels
are derived from the video by reconstructing the hands in 3D and matching fingertips to the
keys at each onset; a manual check agrees with 95.6% of them. All pianists consented to the
recording and its release.

| | Hours | Pianists | Onsets | Note labels | Finger labels |
|---|---|---|---|---|---|
| PianoVid-R | 39.6 | 80 | 814,554 | recorded MIDI | 98% of onsets |

| Split | Recordings | Pianists | Hours | Onsets | Onsets / s |
|---|---|---|---|---|---|
| Train | 80 | 58 | 25.8 | 398k | 4.3 |
| Val | 12 | 10 | 5.6 | 145k | 7.2 |
| Test | 18 | 12 | 8.2 | 272k | 9.2 |

## Layout

Rectified 800 x 144 grayscale video at 25 fps in 15-second chunks (375 frames, consecutive
chunks overlap by 4 frames), one per-frame label file per chunk, one note list per
recording, and one fingering file per chunk.

```
dataset.csv                          one row per chunk
videos/<recording>/chunk_<i>.mp4
annotations/<recording>/chunk_<i>.npz
events/<recording>.tsv
finger_labels/<recording>/chunk_<i>.npz
```

`dataset.csv` columns: `split` (train / val / test), `chunk_path`, `annotation_path`,
`record_time` (recording id), `start_frame` (first frame of the chunk in the recording),
`num_frames`, `fps`, `event_path`, `label_start_frame` (the chunk's first frame on the
timeline of the event file).

Annotation files hold `[num_frames, 88]` arrays: `onset_roll` (1 at the onset frame),
`frame_roll` (1 while the key is held), `offset_roll` (1 at the key-release frame),
`velocity_roll` (MIDI velocity at the onset frame) and `velocity_mask`. Event files are
tab-separated with the header `# onset key_offset frame_offset note velocity` (seconds;
`key_offset` is the physical key release). Fingering files hold `finger_roll`
`[num_frames, 88]` with 0 = no onset, 1-5 = left thumb to little finger, 6-10 = right thumb
to little finger, 255 = unknown.

## Use

Download into `dataset/pianovid_r/` of the [PianoLite](https://github.com/Timbermorph/PianoLite)
repository and set `dataset.data_root` in a config to that directory.

## License

CC BY-NC 4.0, for non-commercial research. Please do not attempt to identify the pianists,
do not redistribute the videos, and cite the paper in work that uses the dataset. If a
pianist withdraws consent, the affected recordings are removed in the next release; please
delete them from your copy when notified. Contact: jianzhe.liu@tum.de

## Citation

```bibtex
@article{liu2026pianolite,
  title   = {A Video Dataset and Key-Aligned Model for Visual Piano Transcription and Fingering Recognition},
  author  = {Liu, Jianzhe and Chen, Danqing and Gr{\"u}ner, Inken and Koepke, A. Sophia},
  journal = {arXiv preprint arXiv:XXXX.XXXXX},
  year    = {2026}
}
```