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Table 3 Translation test

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

Marker

Transl. mm

Translation error X obj

Translation error Y obj

Translation error Z obj

 

0.5

-0.001(-0.003) ± 0.014

0.024(0.019) ± 0.031

0.009(0.006) ± 0.058

ø1 mm

1

-0.006(-0.007) ± 0.017

0.033(0.037) ± 0.030

-0.011(0.001) ± 0.062

 

5

-0.027(-0.026) ± 0.014

0.032(0.046) ± 0.091

0.021(0.023) ± 0.065

 

0.5

-0.002(-0.006) ± 0.016

0.014(0.011) ± 0.021

-0.019(-0.026) ± 0.032

ø2 mm

1

-0.003(-0.004) ± 0.012

0.008(0.01) ± 0.013

0.003(-0.0003) ± 0.057

 

5

-0.045(-0.045) ± 0.011

-0.013(-0.016) ± 0.034

0.052(0.046) ± 0.041

  1. Results of the measurement system evaluation: accuracy and precision represented by mean (median) error ± standard deviation in mm.