Téléchargement | - Voir le manuscrit accepté : Background removal from polarized Raman spectra of tooth enamel using the wavelet transform (PDF, 783 Kio)
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DOI | Trouver le DOI : https://doi.org/10.1002/jrs.2761 |
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Auteur | Rechercher : Li, Jianghua; Rechercher : Choo-Smith, Lin-P’ing1; Rechercher : Tang, Zhilie; Rechercher : Sowa, Michael G.1 |
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Affiliation | - Conseil national de recherches du Canada. Institut du biodiagnostic du CNRC
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Format | Texte, Article |
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Sujet | wavelet transform; enamel; caries; background removal |
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Résumé | A wavelet transformation method is introduced to remove the large fluorescence background from polarized Raman spectra of stained tooth enamel. This method exploits the wavelet multiresolution decomposition where the experimental Raman spectrum is decomposed into signals with different frequency components, and where the lowest frequency background and highest frequency noise are removed. This method is optimized using a simulated collection of parallel-polarized and cross-polarized Raman spectra of the enamel and then applied to a set of experimental data. The results show that the wavelet transform technique can extract the pure spectra from background and noise, with the depolarization ratio used to discriminate between early dental caries and sound enamel preserved. |
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Date de publication | 2011-08-28 |
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Dans | |
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Langue | anglais |
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Publications évaluées par des pairs | Oui |
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Numéro NPARC | 19689669 |
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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 | 894e2374-f974-4cfe-a360-8039fdd3e302 |
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Enregistrement créé | 2012-03-22 |
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Enregistrement modifié | 2020-04-21 |
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