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Table 1 Detection of the 10 mm inter marker distance

From: Digital stereophotogrammetry based on circular markers and zooming cameras: evaluation of a method for 3D analysis of small motions in orthopaedic research

Marker

Test A error (Z obj )

Test B error (X obj )

Test C error (Y obj )

ø1 mm

0.011 (0.002) ± 0.094

0.009 (-0.007) ± 0.110

0.007 (-0.002) ± 0.096

ø2 mm

0.023 (0.013) ± 0.098

0.007 (-0.014) ± 0.103

-0.006 (-0.02) ± 0.098

  1. Results of the measurement system accuracy and precision evaluation represented by mean (median) error ± standard deviation in mm. In order to show about or along which axis the test was performed the test object axes were indicated in the parentheses in the first row.
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BioMedical Engineering OnLine

ISSN: 1475-925X

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