Can't read blur images

[rgolivi]

Hi @micjahn,
Unable to read the blurry type images using zxing.net dll and below is my code and blur image base64 data:

string scannedData = "Here I have base64 of the image";

Image image = ConvertBase64ToImage(scannedData);
Bitmap bitmap = (Bitmap)image;

BarcodeReader barcodeReader = new BarcodeReader{ AutoRotate = true };
barcodeReader.Options.TryHarder = true;
barcodeReader.Options.TryInverted = true;
Result barcodeResult = barcodeReader.Decode(bitmap);
if (barcodeResult != null)
{
Console.WriteLine("BarCode Result - BarCode Text is: " + barcodeResult.Text + " ; BarCode Format is: " + barcodeResult.BarcodeFormat.ToString());
}
else
{
Console.WriteLine("BarCode Result is null");
}

private static Image ConvertBase64ToImage(string base64string)
{
try
{
byte[] imageBytes = Convert.FromBase64String(base64string);
MemoryStream ms = new MemoryStream(imageBytes, 0, imageBytes.Length);
//Convert byte[] to Image
ms.Write(imageBytes, 0, imageBytes.Length);
Image image = Image.FromStream(ms, true);
ms.Dispose();
return image;
}
catch (OutOfMemoryException ex)
{
Console.WriteLine($"Memory Out of Exception occured while converting base64 to Image and Message is : {ex.Message} & stack trace: {ex.StackTrace}");
return null;
}
catch (Exception ex)
{
Console.WriteLine($"Exception occured while converting base64 to Image and Message is : {ex.Message} & stack trace: {ex.StackTrace}");
return null;
}
}

Colud you help me on this how to Decode this type of images.

Thanks,
Rajesh

[micjahn]

I fear I can't help here.

[rgolivi]

Hi @micjahn,

I have attached my image(which is not detecting as PatchT). Could you help me on this blur type images how to decode it.

Regards,
Rajesh

[rob313663]

It is a Code 39 containing PATCHT, It can be read with a Zebra TC52 Android device with a 2D Imager. I think it is a contrast issue, the black bars are too grey.

[rob313663]

And it is stupid having ornamental bars and spaces at the edges of a document containing a barcode. LOL!

[axxel]

Since @micjahn said, there is nothing to be done to make this work in ZXing.Net, I'll allow myself to the new .NET wrapper of the zxing-cpp port that decodes both of the above images just fine.