Pattern Recognition Letters
On the Individuality of Fingerprints
IEEE Transactions on Pattern Analysis and Machine Intelligence
Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
A Review of Audio Fingerprinting
Journal of VLSI Signal Processing Systems
A Wavelet Tour of Signal Processing, Third Edition: The Sparse Way
A Wavelet Tour of Signal Processing, Third Edition: The Sparse Way
A novel audio fingerprinting method robust to time scale modification and pitch shifting
Proceedings of the international conference on Multimedia
Information measures in scale-spaces
IEEE Transactions on Information Theory
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The profile of a 10mm wide and 1µm deep grinding imprint is as unique as a human fingerprint. To utilize this for fingerprinting mechanical components, a robust and strong characterization has to be used. We propose a feature-based approach, in which features of a 1D profile are detected and described in its 2D space-frequency representation. We show that the approach is robust on depth maps as well as intensity images of grinding imprints. To estimate the probability of misclassification, we derive a model and learn its parameters. With this model we demonstrate that our characterization has a false positive rate of approximately 10-20 which is as strong as a human fingerprint.