PDF417DetectionParams

Description

Specifies how PDF417 codes are being detected.

Structure Fields

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

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