PDF417DetectionParams

Description

Specifies how PDF417 codes are being detected.

Structure fields and default values (if defined) are described below:

Name	Type	Default	Description
ContrastThreshold	float	5.0f	Guaranteed gray level difference between dark and bright modules
ContrastHysteresis	float	0.0f	A value dynamically subtracted from ContrastThreshold to improve local segmentation
DetectionScanCount	int	3	Number of scan lines used for detecting the code
ScanWidth	int	1	Width of the single scan
SmoothingStdDev	float	0.6f	Parameter for gaussian smoothing used during scanning
MinEdgeMagnitude	float	8.0f	Minimum acceptable edge strength