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AVL.ReadMultipleDataMatrixCodes

Detects and recognizes several Data Matrix codes.

Namespace:AvlNet
Assembly:AVL.NET.dll

Syntax

C++
C#
 
public static void ReadMultipleDataMatrixCodes
(
	AvlNet.Image inImage,
	AvlNet.Rectangle2D? inRoi,
	AvlNet.CoordinateSystem2D? inRoiAlignment,
	AvlNet.DataMatrixCodeParams inCodeParams,
	AvlNet.DataMatrixDetectionParams inDetectionParams,
	int inMaxCodeCount,
	bool inAllowMultipleScales,
	IList<AvlNet.DataCode> outDataMatrixCodes,
	IList<AvlNet.Path> outCandidates,
	out AvlNet.Rectangle2D outAlignedRoi
)

Parameters

Name Type Range Default Description
inImageAvlNet.ImageInput image.
inRoiAvlNet.Rectangle2D?Region of interest. Default value: atl::NIL.
inRoiAlignmentAvlNet.CoordinateSystem2D?Coordinate system for the region of interest. Default value: atl::NIL.
inCodeParamsAvlNet.DataMatrixCodeParamsSpecification of codes that can be detected.
inDetectionParamsAvlNet.DataMatrixDetectionParamsSpecification of the way the codes are being detected.
inMaxCodeCountint<0, INF>2Maximum number of codes to be found. Default value: 2.
inAllowMultipleScalesboolFalseSpecifies whether codes of different module sizes are expected. Default value: False.
outDataMatrixCodesSystem.Collections.Generic.IList<AvlNet.DataCode>
outCandidatesSystem.Collections.Generic.IList<AvlNet.Path>Diagnostic information about detection results.
outAlignedRoiAvlNet.Rectangle2DInput ROI after transformation (in the image coordinates).

Description

This filter detects and recognizes data matrix codes on an image.

Supported code types: ECC 200 and ECC 000-140.

Examples

DataMatrix on blurry image.

Low quality DataMatrix code.

DataMatrix on chip.

Rectangular DataMatrix code.

Remarks

Read more about Local Coordinate Systems in Machine Vision Guide: Local Coordinate Systems.

Function Overrides

See also