pycvcam.Cv2Distortion.k4

property Cv2Distortion.k4: float | None

Get the first fractional radial distortion coefficient.

Warning

An error is raised if the number of parameters is less than 8. Set the number of parameters to 8 or more before getting the value.

Returns:

The first fractional radial distortion coefficient.

Return type:

float

Raises:

ValueError – If the number of parameters is less than 8.