Data-specific Adaptive Threshold for Face Recognition and Authentication
Hsin-Rung Chou, Jia-Hong Lee, Yi-Ming Chan, Chu-Song Chen
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Abstract
Many face recognition systems boost the performance using deep learning models, but only a few researches go into the mechanisms for dealing with online registration. Although we can obtain discriminative facial features through the state-of-the-art deep model training, how to decide the best threshold for practical use remains a challenge. We develop a technique of adaptive threshold mechanism to improve the recognition accuracy. We also design a face recognition system along with the registering procedure to handle online registration. Furthermore, we introduce a new evaluation protocol to better evaluate the performance of an algorithm for real-world scenarios. Under our proposed protocol, our method can achieve a 22\% accuracy improvement on the LFW dataset.
Tasks
Benchmark Results
| Dataset | Model | Metric | Claimed | Verified | Status |
|---|---|---|---|---|---|
| Adience (Online Open Set) | FaceNet+Adaptive Threshold | Average Accuracy (10 times) | 84.3 | — | Unverified |
| Adience (Online Open Set) | FaceNet+Fixed Threshold (0.2487) | Average Accuracy (10 times) | 80.6 | — | Unverified |
| Color FERET (Online Open Set) | FaceNet+Adaptive Threshold | Average Accuracy (10 times) | 83.79 | — | Unverified |
| Color FERET (Online Open Set) | FaceNet+Fixed Threshold (0.3968) | Average Accuracy (10 times) | 80.72 | — | Unverified |
| LFW (Online Open Set) | FaceNet+Adaptive Threshold | Average Accuracy (10 times) | 76.46 | — | Unverified |
| LFW (Online Open Set) | FaceNet+Fixed Threshold (0.3779) | Average Accuracy (10 times) | 53.97 | — | Unverified |