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AVS.DetectSingleBarcode Method

Determines the position of a single barcode on the input image.

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax

public static void DetectSingleBarcode
(
	AvlNet.Image inImage,
	AvlNet.BarcodeFormat? inFormat,
	float inMinGradientLength,
	int inBaseBarWidth,
	int inScanCount,
	int inScanWidth,
	float inMinStrength,
	float inSmoothingStdDev,
	AvlNet.Polarity inPolarity,
	out AvlNet.Rectangle2D? outBarcodePosition,
	out AvlNet.Polarity? outBarcodePolarity,
	IList<AvlNet.Rectangle2D> outBarcodeCandidates,
	AvlNet.Image diagGradientImage
)

Parameters

Name Type Range Default Description
inImageAvlNet.ImageInput image.
inFormatAvlNet.BarcodeFormat?EAN13Format of the barcode. Default value: EAN13.
inMinGradientLengthfloat<0.0f, INF>8.0fMinimal gradient length of edge pixels used for detecting barcodes. Default value: 8.0f.
inBaseBarWidthint<1, INF>3Estimated width of the thinnest bar. Default value: 3.
inScanCountint<1, INF>5Number of scan lines used in detecting barcode. Default value: 5.
inScanWidthint<1, INF>5Width of the single scan. Default value: 5.
inMinStrengthfloat<0.0f, INF>5.0fMinimal strength of an extracted edge. Default value: 5.0f.
inSmoothingStdDevfloat<0.0f, INF>0.25fStandard deviation of the gaussian smoothing applied to the profile extracted in each scan. Default value: 0.25f.
inPolarityAvlNet.PolarityDarkSpecifies whether code is darker or brighter than the background. Default value: Dark.
outBarcodePositionAvlNet.Rectangle2D?Position of the found barcode.
outBarcodePolarityAvlNet.Polarity?Polarity of the found barcode.
outBarcodeCandidatesSystem.Collections.Generic.IList<AvlNet.Rectangle2D>Places with high gradient values that are further investigated.
diagGradientImageAvlNet.ImageImage of gradient directions.

Function Overrides

See also