发票处理的最佳 OCR 软件

using IronOcr;
using System;
using System.Text.RegularExpressions;

class InvoiceProcessor
{
    static void Main(string[] args)
    {
        // Create an instance of IronTesseract for OCR processing
        var orc = new IronTesseract();

        // Load the invoice image to be processed
        using (var input = new OcrInput(@"invoice.png"))
        {
            // Perform OCR to extract text from the invoice image
            var result = orc.Read(input);

            // Define the pattern to match the invoice number format
            var linePattern = @"INV/\d{4}/\d{5}";

            // Use regular expressions to find the invoice number in the OCR result
            var lineMatch = Regex.Match(result.Text, linePattern);

            // Check if a match was found for the invoice number
            if (lineMatch.Success)
            {
                // Extract the matched value (invoice number)
                var lineValue = lineMatch.Value;

                // Output the extracted invoice number to the console
                Console.WriteLine("Customer Invoice number: " + lineValue);
            }
            else
            {
                Console.WriteLine("Invoice number not found.");
            }
        }
    }
}

Imports IronOcr
Imports System
Imports System.Text.RegularExpressions

Friend Class InvoiceProcessor
	Shared Sub Main(ByVal args() As String)
		' Create an instance of IronTesseract for OCR processing
		Dim orc = New IronTesseract()

		' Load the invoice image to be processed
		Using input = New OcrInput("invoice.png")
			' Perform OCR to extract text from the invoice image
			Dim result = orc.Read(input)

			' Define the pattern to match the invoice number format
			Dim linePattern = "INV/\d{4}/\d{5}"

			' Use regular expressions to find the invoice number in the OCR result
			Dim lineMatch = Regex.Match(result.Text, linePattern)

			' Check if a match was found for the invoice number
			If lineMatch.Success Then
				' Extract the matched value (invoice number)
				Dim lineValue = lineMatch.Value

				' Output the extracted invoice number to the console
				Console.WriteLine("Customer Invoice number: " & lineValue)
			Else
				Console.WriteLine("Invoice number not found.")
			End If
		End Using
	End Sub
End Class