| DOI | Trouver le DOI : https://doi.org/10.1117/12.2576447 |
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| Auteur | Rechercher : Mozaffari, M. Hamed1; Rechercher : Tay, Li-Lin1 |
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| Éditeur | Rechercher : Valenta, Christopher R.; Rechercher : Shaw, Joseph A.; Rechercher : Kimata, Masafumi |
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| Affiliation | - Conseil national de recherches du Canada. Centre de recherche en métrologie
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| Format | Texte, Article |
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| Conférence | SPIE Future Sensing Technologies, November 9-13, 2020, Online Only |
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| Sujet | surface-enhanced Raman scattering; convolutional neural networks; raman spectroscopy; anomaly detection; one-class classification; deep learning; pattern recognition |
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| Résumé | An accurate supervised classification technique requires a large training database with an equal number of samples in each category. However, in practice, data class imbalance is naturally inherent in detection and identification tasks. In an extreme case, one category of data has a majority of training samples (positive class), causing over-classifying. In these circumstances, the negative classes are either absent, poorly sampled or not well defined. Deep one-class classifiers are artificial neural networks developed to overfit the positive class samples. This unique situation constrains the network model to be trained data features just with the knowledge of the positive class. One well-known application of one-class classifiers is for anomaly detection problem, where the model stands out outliers. In this study, we proposed using a one-dimensional CNN model for anomaly detection of Surface-Enhanced Raman Spectra applicable for Portable Raman Spectrometer in field investigations. |
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| Date de publication | 2020-11-08 |
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| Maison d’édition | SPIE |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | bdd4f5e8-f157-4b17-820b-354e2187097c |
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| Enregistrement créé | 2021-12-17 |
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| Enregistrement modifié | 2021-12-20 |
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