اتوماتیک تشخیص کلمات کلیدی تصویر با Aspose.OCR .NET

Install-Package Aspose.OCR

using Aspose.OCR;

public void InitializeEngine()
{
    // Create an instance of the OCR engine
    var ocrEngine = new Engine();

    // Load a license (optional but recommended for commercial use)
    string licensePath = @"path\to\your\license.txt";
    ocrEngine.License.Load(licensePath);
}

public void LoadAndPreprocessImage(string imagePath)
{
    // Load an image from a file path
    var image = Image.FromFile(imagePath);

    // Convert the image to grayscale (optional preprocessing step)
    var grayScaleImage = image.ConvertToGrayscale();
}

public void DetectKeywords(string imagePath, string[] keywords)
{
    var ocrEngine = new Engine();
    var image = Image.FromFile(imagePath);

    // Initialize the OCR engine with your license (if applicable)
    ocrEngine.License.Load(@"path\to\your\license.txt");

    // Perform text detection
    var recognizedText = ocrEngine.Recognize(image);

    // Check for keywords in the recognized text
    foreach (var keyword in keywords)
    {
        if (recognizedText.Contains(keyword))
        {
            Console.WriteLine($"Keyword '{keyword}' found!");
        }
    }
}

public void HandleErrors(string imagePath, string[] keywords)
{
    try
    {
        DetectKeywords(imagePath, keywords);
    }
    catch (FileNotFoundException ex)
    {
        Console.WriteLine($"File not found: {ex.Message}");
    }
    catch (LicenseException ex)
    {
        Console.WriteLine($"License validation failed: {ex.Message}");
    }
    catch (OcrException ex)
    {
        Console.WriteLine($"OCR processing error: {ex.Message}");
    }
}

public void OptimizePerformance(string imagePath, string[] keywords)
{
    var ocrEngine = new Engine();
    var image = Image.FromFile(imagePath);

    // Initialize the OCR engine with your license (if applicable)
    ocrEngine.License.Load(@"path\to\your\license.txt");

    // Set the resolution for better performance
    ocrEngine.Settings.Resolution = 300;

    // Perform text detection asynchronously
    var task = Task.Run(() => ocrEngine.Recognize(image));
    task.Wait();

    // Check for keywords in the recognized text
    var recognizedText = task.Result;
    foreach (var keyword in keywords)
    {
        if (recognizedText.Contains(keyword))
        {
            Console.WriteLine($"Keyword '{keyword}' found!");
        }
    }
}