Jak zdefiniować konkretny obszar OCR obrazu w języku C

using IronOcr;
using IronSoftware.Drawing;
using System;

var ocrTesseract = new IronTesseract();
using var ocrInput = new OcrInput();

// Define the specific region as a Rectangle
// (x, y) is the top-left corner.
var ContentArea = new Rectangle(x: 215, y: 1250, width: 1335, height: 280);

ocrInput.LoadImage("region-input.png", ContentArea);

var ocrResult = ocrTesseract.Read(ocrInput);

// Print the extracted text
Console.WriteLine(ocrResult.Text);

Imports IronOcr
Imports IronSoftware.Drawing
Imports System

Dim ocrTesseract As New IronTesseract()
Using ocrInput As New OcrInput()

    ' Define the specific region as a Rectangle
    ' (x, y) is the top-left corner.
    Dim ContentArea As New Rectangle(x:=215, y:=1250, width:=1335, height:=280)

    ocrInput.LoadImage("region-input.png", ContentArea)

    Dim ocrResult = ocrTesseract.Read(ocrInput)

    ' Print the extracted text
    Console.WriteLine(ocrResult.Text)

End Using

using IronOcr;
using IronSoftware.Drawing;

var ocr = new IronTesseract();

// Define multiple regions for different form fields
var nameField = new Rectangle(x: 100, y: 200, width: 300, height: 50);
var dateField = new Rectangle(x: 100, y: 300, width: 200, height: 50);
var amountField = new Rectangle(x: 400, y: 500, width: 150, height: 50);

// Load the same image with a separate OcrInput per region
OcrResult nameResult;
using (var input = new OcrInput())
{
    input.LoadImage("form.png", nameField);
    nameResult = ocr.Read(input);
}

OcrResult dateResult;
using (var input = new OcrInput())
{
    input.LoadImage("form.png", dateField);
    dateResult = ocr.Read(input);
}

OcrResult amountResult;
using (var input = new OcrInput())
{
    input.LoadImage("form.png", amountField);
    amountResult = ocr.Read(input);
}

// Process each field separately
Console.WriteLine($"Name: {nameResult.Text}");
Console.WriteLine($"Date: {dateResult.Text}");
Console.WriteLine($"Amount: {amountResult.Text}");

Imports IronOcr
Imports IronSoftware.Drawing

Dim ocr As New IronTesseract()

' Define multiple regions for different form fields
Dim nameField As New Rectangle(x:=100, y:=200, width:=300, height:=50)
Dim dateField As New Rectangle(x:=100, y:=300, width:=200, height:=50)
Dim amountField As New Rectangle(x:=400, y:=500, width:=150, height:=50)

' Load the same image with a separate OcrInput per region
Dim nameResult As OcrResult
Using input As New OcrInput()
    input.LoadImage("form.png", nameField)
    nameResult = ocr.Read(input)
End Using

Dim dateResult As OcrResult
Using input As New OcrInput()
    input.LoadImage("form.png", dateField)
    dateResult = ocr.Read(input)
End Using

Dim amountResult As OcrResult
Using input As New OcrInput()
    input.LoadImage("form.png", amountField)
    amountResult = ocr.Read(input)
End Using

' Process each field separately
Console.WriteLine($"Name: {nameResult.Text}")
Console.WriteLine($"Date: {dateResult.Text}")
Console.WriteLine($"Amount: {amountResult.Text}")