Proceedings of the 23rd DAGM-Symposium on Pattern Recognition
Evaluation of Calibration Procedures for Optical See-Through Head-Mounted Displays
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
Industrial Augmented Reality(IAR): Challenges in Design and Commercialization of Killer Apps
ISMAR '03 Proceedings of the 2nd IEEE/ACM International Symposium on Mixed and Augmented Reality
Display-Relative Calibration for Optical See-Through Head-Mounted Displays
ISMAR '04 Proceedings of the 3rd IEEE/ACM International Symposium on Mixed and Augmented Reality
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A crucial aspect in the implementation of an augmentedreality (AR) system is determining its accuracy.The accuracy of a system determines the applications itcan be used for. The aim of our research is measuringthe overall accuracy of an arbitrary AR system. Oncemeasurements of a system are made, they can be analyzedfor determining the structure and sources of errors.From the analysis it may also be possible to improvethe methods used to calibrate and register the virtualto the real.This paper describes an online system for measuringthe registration accuracy of optical see-through augmentation.By online, we mean that the user can measurethe registration error they are experiencing whilethey are using the system. We overcome the difficulty ofnot having retinal access by having the user indicate theprojection of a perceived object on a planar measurementdevice. Our method provides information whichcan be used to analyze the structure of the system errorin two or three dimensions. The results of the applicationof our method to two monocular optical see-throughAR systems are shown.