A Planar-Dimensions Machine Vision Measurement Method Based on Lens Distortion Correction

Table 1

The residuals of the proposed and Zhang’s methods in the central region (μm).

Patterns	1	2	3	4	5	6	7	8	9
Proposed method	3.0	4.1	4.8	4.4	4.6	3.8	3.6	3.3	3.3
Zhang’s method	5.3	5.8	6.1	5.9	6.0	5.6	5.5	5.4	5.4