AcquiredImages_DetectBorder Method

In This Topic

Description

Detects and removes border around the image.

Syntax

Visual Basic
Public Function AcquiredImages_DetectBorder( _ ByVal index As Long, _ ByVal borderSize As Integer _ ) As Boolean

Parameters

index: Zero-based index of image in acquired image collection. Valid values are from 0 to (AcquiredImages_Count-1).
borderSize: Size of border around the image. Possible values: 0 - 100. Default value is 5.

Return Type

TRUE (1) if image is processed successfully, FALSE (0) otherwise.

Remarks

Here is a "good" sequence of operations for image processing:
1. Despeckle an image (AcquiredImages_Despeckle method)
2. Deskew an image (AcquiredImages_Deskew method)
3. Detect image border (AcquiredImages_DetectBorder method)

Possible values for scanIntervalX and scanIntervalY parameters: 1 - every column (row) will be scanned, 2 - every second column (row) will be scanned, 3 - every third column (row) will be scanned, and so on. Big values of these parameters may speed up deskewing process, but may worsen results.

Information about error that occurs during method execution can be get using the Error and ErrorString properties.

Example

Please see example here.