RemovePunchHoles Method

Description

Remove punch holes form the image

Syntax

Visual Basic
Public Sub RemovePunchHoles()

Remarks

Punch holes are round objects along the edges of the image. Pixels in punch hole areas are set to white.

Example

VB Example (VB6)

Sub RepairMethods(imageFile As String, imageFileOut As String)
    ' Create objects and open input images
  Dim Ci As New CiServer
  Dim Repair As CiRepair: Set Repair = Ci.CreateRepair
  Repair.Image.Open imageFile
    ' Do Processing
  Repair.AutoDeskew                  ' Use AutoDeskew before AutoRotate
  Repair.AutoRotate
  '  Repair.AutoCrop 10, 10, 10, 10  ' Do not use AutoCrop with AutoRegister or BorderExtract
  '  Repair.AutoRegister 100, 100    ' Do not use AutoRegister with AutoCrop or BorderExtract
  Repair.AdvancedBinarize 0, 0, 0
  Repair.BorderExtract ciBexBorderDeskewCrop, ciBeaCleaner
  Repair.RemovePunchHoles
  Repair.SmoothCharacters ciSmoothDarkenEdges
  Repair.CleanNoise 3                ' Use CleanNoiseExt to remove white noise
  '  Repair.CleanNoiseExt (ciCnxBlackNoise + ciCnxWhiteNoise), 3, 3, 10, 0
  Repair.pLineCurvature = ciCurvLow
  Repair.pMaxLineAngle = 5
  Repair.pMaxLineGap = 5
  Repair.pMinLineLength = 200
  Repair.DeleteLines ciLineVertAndHorz, ciTrue
  Repair.Image.SaveAs imageFileOut, ciEXT
End Sub