# Automated gap-filling algorithm for kinetic data of finger movement: Pianist hand motion cleaning using spatio-temporal imputation

- Authors: T. Kwon, D. Park, Joonhyung Bae, J. Park, J. Park, J. Nam
- Venue: Proc. 29th Congr. of the Int. Soc. of Biomechanics (ISB), Fukuoka, Japan, Jul. 30–Aug. 3, 2023
- Year: 2023
- Type: Abstract/Demo
- PDF: https://drive.google.com/file/d/1dMbKaVXMLA1oNDtJSoyMnD0EQk29PEYN/view?usp=drive_link
- Keywords: gap-filling algorithm, kinetic data, finger movement, pianist hand motion, spatio-temporal imputation
- Page: https://joonhyungbae.com/publication/finger-motion-gap-filling-2023

## In one sentence

A cleaning framework that fills gaps in marker-based pianist finger motion capture with spatio-temporal imputation, without an explicit hand model.

마커 기반 모션캡처에서 피아니스트 손가락 데이터의 결측을 명시적 손 모델 없이 시공간 보간으로 채우는 정제 프레임워크.

## Key facts

- 86 trials (~20 s each) of one pianist; 54 reflective markers on both hands; 8 infrared cameras at 120 Hz

## When this paper is relevant

- You need to fix marker occlusion / missing data in finger motion capture / 손가락 모션캡처의 마커 가림·결측 문제를 해결해야 할 때
- You look for preprocessing methods for piano-performance kinematics / 피아노 연주 운동학(kinematics) 데이터 전처리 방법을 찾을 때

## Related

- Statistical Analysis of Piano Performance Hand Motion Data and Deep Learning Model for Loss Recovery (2025): https://joonhyungbae.com/papers/hand-motion-loss-recovery-2025.md
- SKY-Piano: A Multimodal Piano Performance Dataset (2026): https://joonhyungbae.com/papers/sky-piano-2026.md

## How to cite

T. Kwon, D. Park, Joonhyung Bae, J. Park, J. Park, J. Nam (2023). Automated gap-filling algorithm for kinetic data of finger movement: Pianist hand motion cleaning using spatio-temporal imputation. Proc. 29th Congr. of the Int. Soc. of Biomechanics (ISB), Fukuoka, Japan, Jul. 30–Aug. 3, 2023. https://drive.google.com/file/d/1dMbKaVXMLA1oNDtJSoyMnD0EQk29PEYN/view?usp=drive_link

```bibtex
@inproceedings{Kwon2023finger,
  title = {Automated gap-filling algorithm for kinetic data of finger movement: Pianist hand motion cleaning using spatio-temporal imputation},
  author = {T. Kwon and D. Park and Joonhyung Bae and J. Park and J. Park and J. Nam},
  booktitle = {Proc. 29th Congr. of the Int. Soc. of Biomechanics (ISB), Fukuoka, Japan, Jul. 30–Aug. 3, 2023},
  year = {2023},
  url = {https://drive.google.com/file/d/1dMbKaVXMLA1oNDtJSoyMnD0EQk29PEYN/view?usp=drive_link}
}
```