MICR reading problem with Barcode SDK and using MICRE13B barcode type

[dougancora]

Having problems reading MICR on a check (see Sample-check-3.png) with barcode SDK. Specified “MICRE13B” barcode type. Was able to read MICR on another check (see Sample-check-2.png). Do you know why the first check isn’t working? Tried the “QualitySettings.HighQuality” and no luck.

Sample-check-3.jpg (200.9 KB)
Sample-check-2.jpg (587.8 KB)

[amjad.sahi]

@dougancora,

Thanks for the barcode image files.

Which version of Aspose.BarCode for .NET/Java you are using? Could you please share your sample code snippet that you are using to read MICR barcodes. We will check your issue soon.

[dougancora]

Here is the barcode SDK used:
image.png (15.7 KB)

Here is the source code for the test app:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Aspose.BarCode.BarCodeRecognition;


namespace AsposeConsole
{
    internal class Program
    {
        static void Main(string[] args)
        {
      string licenseFileName = @"X:\Vendors\Aspose\Stuff\Aspose.BarCode.NET.lic";
      SetAsposeBarCodeLicense(licenseFileName);

      if (args.Length == 0)
            {
        var btypes = DecodeType.AllSupportedTypes.GetSingleTypes();
        Console.WriteLine("Barcode types: ");
        foreach (var btype in btypes)
                {
          Console.WriteLine(btype.TypeName);
                }
        return;
      }

      string filename = args[0];
      string barcodes = "none";
      if (args.Length > 1)
        barcodes = args[1];
      int quality = 2;
      if (args.Length > 2)
        quality = Int32.Parse(args[2]);

      recognizebarcodes(filename, barcodes, quality);
    }

    /// <summary>
    /// Recognize barcodes.
    /// </summary>
    /// <param name="filename">Full path/filename for barcode image file (PNG/JPEG).</param>
    /// <param name="encodetype">List of desired barcodes (semicolon separated).</param>
    /// <param name="quality">Capture quality (1=Fast, 2=Normal, 3=Excellent)</param>
    private static void recognizebarcodes(string filename, string encodetype, int quality)
    {
      // Initialize the BarCodeReader 
      Console.WriteLine("** Start - reviewing: " + filename);
      DateTime starttime = DateTime.Now;
      Aspose.BarCode.BarCodeRecognition.BarCodeReader reader = encodetype.ToLower().Equals("none") ? new Aspose.BarCode.BarCodeRecognition.BarCodeReader(filename) :
                  new Aspose.BarCode.BarCodeRecognition.BarCodeReader(filename, getBarCodeType(encodetype));

      switch (quality)
      {
        case 1:
          reader.QualitySettings = QualitySettings.HighPerformance;
          break;
        case 2:
          reader.QualitySettings = QualitySettings.NormalQuality;
          break;
        case 3:
          reader.QualitySettings = QualitySettings.HighQuality;
          break;
      }

      var res = reader.ReadBarCodes();
      string barCodeText = "";
      foreach (var barcode in res)
      {
        barCodeText += barcode.CodeTypeName + ": " + barcode.CodeText + Environment.NewLine;
      }
      DateTime endtime = DateTime.Now;
      var diffTime = (endtime - starttime).TotalMilliseconds;

      Console.WriteLine("** End - time(ms): " + diffTime.ToString());

      if (barCodeText.Length == 0)
        barCodeText = "<No barcodes>";

      Console.WriteLine("barcodes: " + barCodeText);
    }

    private static BaseDecodeType[] getBarCodeType(string barcodetype)
    {
      string bcs = barcodetype.ToLower().Trim();
      var types = DecodeType.AllSupportedTypes.GetSingleTypes().Where(w => bcs.Contains(w.TypeName.ToLower().Trim())).Select(s => s).ToArray();
      if (types == null || types.Length <= 0)
        return new BaseDecodeType[] { DecodeType.None };
      else
        return types;
    }

    public static void SetAsposeBarCodeLicense(string licenseFileName)
    {
      try
      {

        Aspose.BarCode.License lic = new Aspose.BarCode.License();
        lic.SetLicense(licenseFileName);
      }
      catch (Exception ex)
      {
        Console.WriteLine(ex.Message);
      }
    }

  }


}

[amjad.sahi]

@dougancora,

Thanks for the sample and version details.

Please notice, I am able to reproduce the issue as you mentioned by using the simplest lines of code. I found Aspose.BarCode does not read barcode from “Sample-check-3.jpg” image although it can read MICR code on another image “Sample-check-2.jpg”:
e.g.
Sample code:

var bmp1 = new Bitmap("e:\\test2\\Sample-check-3.jpg");
using (Aspose.BarCode.BarCodeRecognition.BarCodeReader reader1 = new Aspose.BarCode.BarCodeRecognition.BarCodeReader(bmp1, Aspose.BarCode.BarCodeRecognition.DecodeType.AllSupportedTypes))
{
     Console.WriteLine(reader1.ReadBarCodes().Length);//0
     foreach (Aspose.BarCode.BarCodeRecognition.BarCodeResult result1 in reader1.ReadBarCodes())
     {
         // Read symbology type and code text
         Console.WriteLine("Symbology Type: " + result1.CodeType);
         Console.WriteLine("CodeText: " + result1.CodeText);
     }
}

I have logged a ticket with an id “BARCODENET-38244” for your issue. We will look into it soon.

Once we have an update on it, we will let you know.