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DeblurLevel

DeblurLevel is a parameter to control the efforts used to process the blurriness of the barcode. It is defined as below:

Value Type Value Range Default Value
int [0, 9] 9

Remarks
If you have a blurry image, you can set this property to a larger value. The higher value set, the more effort the library will spend to decode images, but it may also slow down the recognition process.
DeblurLevel is now deprecated. It still works in this version but could be removed in the near future. We recommend using DeblurModes instead. Migrating mapping:

  • For Barcode Format PDF417
DeblurLevel DeblurModes
0 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION]
1-3 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION]
4-6 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING]
7-8 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING,DM_GRAY_EQUALIZATION]
9 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING,DM_GRAY_EQUALIZATION,DM_MORPHING,DM_DEEP_ANALYSIS]
  • For Barcode Format OneD
DeblurLevel DeblurModes
0 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_THRESHOLD_BINARIZATION]
1-3 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION]
4-6 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING]
7-8 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING,DM_GRAY_EQUALIZATION]
9 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_DEEP_ANALYSIS,DM_SMOOTHING,DM_GRAY_EQUALIZATION,DM_MORPHING]
  • For other formats
DeblurLevel DeblurModes
0 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION]
1-3 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION]
4-6 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING]
7-8 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_SMOOTHING,DM_GRAY_EQUALIZATION]
9 [DM_BASED_ON_LOC_BIN,DM_THRESHOLD_BINARIZATION,DM_DIRECT_BINARIZATION,DM_DEEP_ANALYSIS,DM_SMOOTHING,DM_GRAY_EQUALIZATION,DM_MORPHING]

Setting Methods

DeblurLevel is supported to be set through RuntimeSetting or JSON template.

As PublicRuntimeSettings Member

DeblurLevel can be set dynamically during runtime as a member of PublicRuntimeSettings struct.

Code Snippet in C++

//...other codes
PublicRuntimeSettings* pSettings = new PublicRuntimeSettings;
int errorCode = reader->GetRuntimeSettings(pSettings);
pSettings->deblurLevel = 1;
reader->UpdateRuntimeSettings(pSettings);
delete pSettings;
//...other codes

See Also

As JSON Parameter

DeblurLevel as a JSON parameter is a number value defined as below.

Key Name Key Value
DeblurLevel A number from [0, 9]

JSON Example

{
    "DeblurLevel": 0
}

This page is compatible for:

Version 7.5.0

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