English

$\textit{sweet}$- An Open Source Modular Platform for Contactless Hand Vascular Biometric Experiments

Computer Vision and Pattern Recognition 2025-08-25 v2

Abstract

Current finger-vein or palm-vein recognition systems usually require direct contact of the subject with the apparatus. This can be problematic in environments where hygiene is of primary importance. In this work we present a contactless vascular biometrics sensor platform named \sweet which can be used for hand vascular biometrics studies (wrist, palm, and finger-vein) and surface features such as palmprint. It supports several acquisition modalities such as multi-spectral Near-Infrared (NIR), RGB-color, Stereo Vision (SV) and Photometric Stereo (PS). Using this platform we collect a dataset consisting of the fingers, palm and wrist vascular data of 120 subjects and develop a powerful 3D pipeline for the pre-processing of this data. We then present biometric experimental results, focusing on Finger-Vein Recognition (FVR). Finally, we discuss fusion of multiple modalities, such palm-vein combined with palm-print biometrics. The acquisition software, parts of the hardware design, the new FV dataset, as well as source-code for our experiments are publicly available for research purposes.

Keywords

Cite

@article{arxiv.2404.09376,
  title  = {$\textit{sweet}$- An Open Source Modular Platform for Contactless Hand Vascular Biometric Experiments},
  author = {David Geissbühler and Sushil Bhattacharjee and Ketan Kotwal and Guillaume Clivaz and Sébastien Marcel},
  journal= {arXiv preprint arXiv:2404.09376},
  year   = {2025}
}
R2 v1 2026-06-28T15:53:56.350Z