Anwendung von Wavelet-Filtern in einem optischen Prozessor zur automatischen Fehlererkennung in Interferogrammen

Discontinued Devices LC 2002 Spatial Light Modulators
Imaging/ Image Processing Misc.: Speckle / Characterization / Metrology
Published on:
Authors: G. Wernicke, S. Krüger, F. Kallmeyer, H. Gruber, Wolfgang Osten, D. Kayser, N. Demoli
Abstract:

“Die Wavelet-Transformation hat sich als leistungsfähiges Werkzeug bei der Erkennung von Strukturen mit definierter räumlicher Auflösung erwiesen. Im vorliegenden Aufsatz wird die Filter-Prozedur in der komplexen Ebene nicht nur auf numerische Simulationen erweitert, sondern auch in optischen Experimenten durch einen zweifachen Frequenzebenen-Korrelator angewandt. Hierzu wurden drei räumliche Lichtmodulatoren (SLM) auf der Basis von Twisted-Nematic-Flüssigkristallen verwendet.”

Restricted Access

Publication: tm – Technisches Messen
Issue/Year: tm – Technisches Messen, Volume: 69, Issue: 5, Page 236
DOI: 10.1524/teme.2002.69.5.236
Link: https://doi.org/10.1524/teme.2002.69.5.236

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