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A Graph-Based Approach for Robust Single-Shot Structured Light Christoph Schmalz
 

Summary: A Graph-Based Approach for Robust Single-Shot Structured Light
Christoph Schmalz
Siemens AG, CT GTF NDE
Otto-Hahn-Ring 6, 81739 Munich, Germany
christoph.schmalz@siemens.com
Elli Angelopoulou
Pattern Recognition Lab
University of Erlangen-Nuremberg
elli@i5.informatik.uni-erlangen.de
Abstract
Structured Light is a well-known method for acquiring
3D surface data. Single-shot methods are restricted to the
use of only one pattern, but make it possible to measure even
moving objects with simple and compact hardware setups.
However, they typically operate at lower resolutions and are
less robust than multi-shot approaches. This paper presents
an algorithm for decoding images of a scene illuminated by a
single-shot color stripe pattern. We solve the correspondence
problem using a region adjacency graph, which is explicitly
designed for robustness against surface color variations.

  

Source: Angelopoulou, Elli - Department of Computer Science, Friedrich Alexander University Erlangen Nürnberg

 

Collections: Computer Technologies and Information Sciences