fingerprint_pad
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资源简介：
This dataset contains **anonymized feature-level data** extracted from fingerprint images for Presentation Attack Detection (PAD) research. To protect participant privacy and comply with GDPR Article 9, **raw biometric images are not included**. Instead, we provide:- **Ridge Orientation Fields**: Gradient-based directional features (irreversible transformation)- **FFT Frequency Spectra**: Log-magnitude frequency domain features- **Sample Metadata**: Subject IDs, labels, and experimental protocol informationThese features enable full reproducibility of our research while preventing reconstruction of original fingerprints.
提供机构：
陈晓红创建时间：
2025-11-02
