Using quality metrics with laser range scanners

David MacKinnon; Victor Aitken; Francois Blais

doi:10.1117/12.766522

25 February 2008 Using quality metrics with laser range scanners

David MacKinnon, Victor Aitken, Francois Blais

Proceedings Volume 6805, Three-Dimensional Image Capture and Applications 2008; 68050G (2008) https://doi.org/10.1117/12.766522
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

We have developed a series of new quality metrics that are generalizable to a variety of laser range scanning systems, including those acquiring measurements in the mid-field. Moreover, these metrics can be integrated into either an automated scanning system, or a system that guides a minimally trained operator through the scanning process. In particular, we represent the quality of measurements with regard to aliasing and sampling density for mid-field measurements, two issues that have not been well addressed in contemporary literature. We also present a quality metric that addresses the issue of laser spot motion during sample acquisition. Finally, we take into account the interaction between measurement resolution and measurement uncertainty where necessary. These metrics are presented within the context of an adaptive scanning system in which quality metrics are used to minimize the number of measurements obtained during the acquisition of a single range image.

Citation Download Citation

David MacKinnon, Victor Aitken, and Francois Blais "Using quality metrics with laser range scanners", Proc. SPIE 6805, Three-Dimensional Image Capture and Applications 2008, 68050G (25 February 2008); https://doi.org/10.1117/12.766522

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