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. © 2011 Springer-Verlag.
CITATION STYLE
Dragon, R., Mörke, T., Rosenhahn, B., & Ostermann, J. (2011). Fingerprints for machines - Characterization and optical identification of grinding imprints. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 6835 LNCS, pp. 276–285). https://doi.org/10.1007/978-3-642-23123-0_28
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