TitleHybrid Photogrammerty Structure-from-Motion Systems for Scene Measurement and Analysis (Article)
inCoordinate Metrology Systems Conference
Author(s) Shawn Recker, Misha Shashkov, Mauricio Hess-Flores, Christiaan Gribble, Rob Baltrusch, Mark Butkiewicz, Kenneth I. Joy
Editor(s) Shawn Recker, Mauricio Hess-Flores, Misha Shashkov
Year 2014
Abstract Given the recent advances in both photogrammetry and structure-from-motion, a pipeline that capitalizes on the strengths of both fields is now possible. This paper presents a hybrid system that uses photogrammetric information to improve the accuracy of structure-from-motion, which in turn provides a more dense reconstruction. The procedure maintains the required metrological accuracy and permits measurements between points with no corresponding targets. The paper provides an analysis of the effects of various camera parameters to determine optimal scene configurations. Results generated by the hybrid system for real and synthetic data demonstrate that both more accurate and more dense reconstructions are obtained than with structure-from-motion alone.