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Contribution to the standardization of 3D measurements using a high-resolution PMD camera (Non Peer-Reviewed Article) - Detailansicht
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Abstract
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Einrichtung
Grunddaten
Titel der Arbeit (title)
Contribution to the standardization of 3D measurements using a high-resolution PMD camera
Titel der Zeitschrift bzw. Zeitung
Proceedings of SPIE
Erscheinungsjahr
2015
Seitenzahl (pages)
96281H-1 - 96281H-9
Band (volume)
Optical Fabrication, Testing and Metrology V, Proc. of SPIE Vol. 96281H
Publikationsart
Non Peer-Reviewed Article
Inhalt
Abstract
Three-dimensional image acquisition is still a growing field in optical metrology. Various methods are available to reconstruct an objects three-dimensional surface. The five main types of 3D cameras are stereo cameras, triangulation (pattern or laser scanning), interferometry, light-field cameras and ToF (time-of-flight) cameras. PMD (photonic mixing device) cameras measure the time of light, and thus belong to the field of ToF cameras. Each camera type has fields of application for which it is particularly well suited. Even within PMD cameras, there is a distinction made between applications for indoor and outdoor use. Until today, there is no method to measure and characterize 3D cameras uniformly. Desirable would be a method, which is able to measure all types of cameras equally. With this work, we want to contribute to the standardization of 3D cameras. In this case, we use a PMD camera for outdoor applications with relatively large pixels. It is shown how to determine the spatial resolution of a PMD camera from both, the amplitude and the distance image. Further, a novel method is presented how to determine the resolution enhancement in an image via gradient image evaluation. Finally, a method is proposed which evaluates the quality of resolution enhancement, when no ground truth data is available. Both are particularly interesting for the use of super-resolution (SR) applications.
Zugeordnete Projekte
Wissenschaftliche Veröffentlichungen
Beteiligte Personen (intern)
Eberhardt, Jörg, Professor
Einrichtung
Fakultät Technologie und Management
Impressum
Erklärung zur Barrierefreiheit
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