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Table 2 Comparison results of measurement distance between planes (unit: mm)

From: Simple calibration method for dual-camera structured light system

Step distance Traditional method Proposed method
Measured distance Absolute error Measured distance Absolute error
18.212 18.244 0.032 18.237 0.025
13.258 13.211 0.047 13.217 0.041
18.422 18.388 0.034 18.389 0.033
17.603 17.633 0.030 17.629 0.026