“…A slightly modified version of the ARToolKitPlus toolbox is used herein to estimate the cameras position based on visual markers [6]. It provides accurate (decimeter level) positions at distances of up to three meters from the respective markers, during realistic lighting conditions and movements.…”
Section: B Camera-based Reference System Using Visual Markersmentioning
confidence: 99%
“…Furthermore, automatic reference systems providing a means for evaluating the position accuracy during the exercise are desired, when evaluating for instance the influence of the trajectory or type of movement on the positioning error [6]. Merely evaluating the position error when returning to the start point may provide deceptive results.…”
“…A slightly modified version of the ARToolKitPlus toolbox is used herein to estimate the cameras position based on visual markers [6]. It provides accurate (decimeter level) positions at distances of up to three meters from the respective markers, during realistic lighting conditions and movements.…”
Section: B Camera-based Reference System Using Visual Markersmentioning
confidence: 99%
“…Furthermore, automatic reference systems providing a means for evaluating the position accuracy during the exercise are desired, when evaluating for instance the influence of the trajectory or type of movement on the positioning error [6]. Merely evaluating the position error when returning to the start point may provide deceptive results.…”
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