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http://dx.doi.org/10.18419/opus-4099
Autor(en): | Haist, Tobias Schönleber, Martin Tiziani, Hans J. |
Titel: | Positioning of noncooperative objects using joint transform correlation combined with fringe projection |
Erscheinungsdatum: | 1998 |
Dokumentart: | Preprint |
Erschienen in: | Applied optics 37 (1998), S. 7553-7559. URL http://www.opticsinfobase.org/abstract.cfm?id=43312 |
URI: | http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-30170 http://elib.uni-stuttgart.de/handle/11682/4116 http://dx.doi.org/10.18419/opus-4099 |
Zusammenfassung: | Automated assembly and quality control require reliable systems for the detection of the position and orientation of complicated objects. Correlation methods are well suited, but they are affected by structured backgrounds, varying illumination conditions, and textured or dirty object surfaces. Using fringe projection to exploit the three-dimensional topography of objects, we improve the performance of a nonlinear joint transform correlator. Positioning of noncooperative objects with subpixel accuracy is demonstrated. Additionally, the tilt angle of an arbitrarily shaped object is measured by projecting object-adapted fringes that produce a homogeneous fringe pattern in the image plane. An accuracy of better than one degree is achieved. |
Enthalten in den Sammlungen: | 07 Fakultät Konstruktions-, Produktions- und Fahrzeugtechnik |
Dateien zu dieser Ressource:
Datei | Beschreibung | Größe | Format | |
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appliedOpticsPositioning.pdf | 376,72 kB | Adobe PDF | Öffnen/Anzeigen |
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