C#でIronOCRを使用してMICR小切手を読み取る方法</#35;

using IronOcr;
using IronSoftware.Drawing;
using System;

// Create a new instance of IronTesseract for performing OCR operations
IronTesseract ocr = new IronTesseract();

// Set the OCR language to MICR to recognize magnetic ink characters
// Must have MICR (IronOcr.Languages.MICR) installed beforehand
ocr.Language = OcrLanguage.MICR;

// Specify the file path of the input image containing MICR text
using (var input = new OcrInput())
{
    // Specify the MICR of the image to focus on for OCR (coordinates in pixels)
    var contentArea = new Rectangle(x: 215, y: 482, width: 520, height: 20);
    input.LoadImage("micr.png", contentArea);

    // Optional: Save the cropped area for verification
    input.StampCropRectangleAndSaveAs(contentArea, Color.Aqua, "cropped.png");

    // Run the OCR engine to read the MICR text from the input image
    var result = ocr.Read(input);
    // Output the recognized text to the console
    Console.WriteLine(result.Text);

    // Transit number is the first 7 characters of the MICR string
    string transitNum = result.Text.Substring(0, 7);
    // Routing number starts from the 8th character and is 11 characters long
    string routingNum = result.Text.Substring(7, 11);
    // Account number starts from the 22nd character to the end of the string
    string accountNum = result.Text.Substring(22);
}

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// Process multiple cheques in parallel
var chequeFiles = Directory.GetFiles("cheques/", "*.png");
Parallel.ForEach(chequeFiles, file =>
{
    using (var ocr = new IronTesseract { Language = OcrLanguage.MICR })
    using (var input = new OcrInput())
    {
        input.LoadImage(file, micrRegion);
        var result = ocr.Read(input);
        ProcessMicrData(result.Text);
    }
});

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