PDF417DetectionParams
Description
Specifies how PDF417 codes are being detected.Structure fields and default values (if defined) are described below:
Name | Type | Default | Description |
---|---|---|---|
ContrastThreshold | FloatType | 5.0f | Guaranteed gray level difference between dark and bright modules |
ContrastHysteresis | FloatType | 0.0f | A value dynamically subtracted from ContrastThreshold to improve local segmentation |
DetectionScanCount | IntType | 3 | Number of scan lines used for detecting the code |
ScanWidth | IntType | 1 | Width of the single scan |
SmoothingStdDev | FloatType | 0.6f | Parameter for gaussian smoothing used during scanning |
MinEdgeMagnitude | FloatType | 8.0f | Minimum acceptable edge strength |