Research on Calibration Methods of Long-Wave Infrared Camera and Visible Camera

Figure 9

Errors between algorithm-estimated central point and real central point of circle (ellipse) margin outlines under noise interference to varying degrees: (a) closed circle, (b) isolate arc-like circle, (c) closed ellipse, and (d) isolate arc-like ellipse.

(a)

(b)

(c)

(d)