Xing, Xing (2016)
Estimation of spectral reflectance using a digital camera system.
Technische Universität Darmstadt
Masterarbeit, Bibliographie
Kurzbeschreibung (Abstract)
In this thesis, a spectral reflectance estimation using Wiener filter is presented. The spectral reflectance was reconstructed with RGB values of the SLR digital camera under 6 LED channels. On purpose of composing Wiener filter, the camera sensitivity was obtained from measuring of monochromatic light together with spectroradiometer and monochromator. A simulation regards to spectrum reconstruction was operated to test the performance of Wiener filter in ideal condition. An actual spectrum reconstruction was performed with a color checker as well as a set of natural objects. Both simulation and actual reconstruction results were discussed respectively. The error sources were analysed and discussed. A graphical user interface was compiled intending a simple spectra reflectance reconstruction for inexperienced users.
| Typ des Eintrags: | Masterarbeit | ||||
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| Erschienen: | 2016 | ||||
| Autor(en): | Xing, Xing | ||||
| Art des Eintrags: | Bibliographie | ||||
| Titel: | Estimation of spectral reflectance using a digital camera system | ||||
| Sprache: | Englisch | ||||
| Referenten: | Khanh, Prof. Dr. Tran Quoc | ||||
| Publikationsjahr: | 2016 | ||||
| Datum der mündlichen Prüfung: | 10 August 2016 | ||||
| Kurzbeschreibung (Abstract): | In this thesis, a spectral reflectance estimation using Wiener filter is presented. The spectral reflectance was reconstructed with RGB values of the SLR digital camera under 6 LED channels. On purpose of composing Wiener filter, the camera sensitivity was obtained from measuring of monochromatic light together with spectroradiometer and monochromator. A simulation regards to spectrum reconstruction was operated to test the performance of Wiener filter in ideal condition. An actual spectrum reconstruction was performed with a color checker as well as a set of natural objects. Both simulation and actual reconstruction results were discussed respectively. The error sources were analysed and discussed. A graphical user interface was compiled intending a simple spectra reflectance reconstruction for inexperienced users. |
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| Fachbereich(e)/-gebiet(e): | 18 Fachbereich Elektrotechnik und Informationstechnik > Lichttechnik (ab Okt. 2021 umbenannt in "Adaptive Lichttechnische Systeme und Visuelle Verarbeitung") 18 Fachbereich Elektrotechnik und Informationstechnik > Institut für Elektromechanische Konstruktionen (aufgelöst 18.12.2018) 18 Fachbereich Elektrotechnik und Informationstechnik |
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| Hinterlegungsdatum: | 18 Apr 2017 09:45 | ||||
| Letzte Änderung: | 18 Apr 2017 09:45 | ||||
| PPN: | |||||
| Referenten: | Khanh, Prof. Dr. Tran Quoc | ||||
| Datum der mündlichen Prüfung / Verteidigung / mdl. Prüfung: | 10 August 2016 | ||||
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