Open Access

Table 1

Measurement values and root mean square error (mm) of the proposed method.

Step Standard values 1 2 3 4 5
5.000 10.000 15.000 20.000 25.000
The measured values of the method in this paper 5.173 10.232 15.189 20.155 25.207
RMS error 0.173 0.232 0.189 0.155 0.207

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