VintaSoft Imaging .NET SDK 14.0: Документация для .NET разработчика
Vintasoft.Imaging.Ocr Namespace / OcrEngineManager Class
    Класс OcrEngineManager
    В этом разделе
    Представляет менеджера для OCR-движка.
    Объектная модель
    OcrLanguage OcrRecognitionRegionSplittingSettings OcrEngineManager
    Синтаксис
    'Declaration
    
    Public NotInheritable Class OcrEngineManager
    
    
    public sealed class OcrEngineManager
    
    
    public __gc __sealed class OcrEngineManager
    
    
    public ref class OcrEngineManager sealed
    
    
    Ремарки

    Этот класс является потокобезопасным.

    Пример

    Вот C#/VB.NET код, который демонстрирует, как сегментировать изображение и распознавать текст на изображении.

    
    Class OcrEngineManagerExample
        ''' <summary>
        ''' Segments an image and recognizes text in the image.
        ''' </summary>
        ''' <param name="filename">The name of file, which stores images with text.</param>
        ''' <param name="ocrLanguage">The language of recognizing text.</param>
        Public Shared Sub SegmentsAndOcrImages(filename As String, ocrLanguage As Vintasoft.Imaging.Ocr.OcrLanguage)
            ' create an image collection
            Using images As New Vintasoft.Imaging.ImageCollection()
                ' add images from file to the image collection
                images.Add(filename)
    
                System.Console.WriteLine("Create Tesseract OCR engine...")
                ' create the Tesseract OCR engine
                Using tesseractOcr As New Vintasoft.Imaging.Ocr.Tesseract.TesseractOcr()
                    ' create the OCR engine manager
                    Dim engineManager As New Vintasoft.Imaging.Ocr.OcrEngineManager(tesseractOcr)
    
                    ' create the OCR engine settings
                    Dim settings As New Vintasoft.Imaging.Ocr.OcrEngineSettings(ocrLanguage)
    
                    ' for each image
                    For Each image As Vintasoft.Imaging.VintasoftImage In images
                        System.Console.WriteLine("Segmentation of the image...")
                        ' create the processing command for segmentation of document image
                        Dim segmentation As New Vintasoft.Imaging.ImageProcessing.Info.DocumentSegmentationCommand()
                        ' execute the processing command on document image
                        segmentation.ExecuteInPlace(image)
    
                        System.Console.WriteLine("Recognize the image...")
                        ' recognize text in segmented image
                        Dim ocrResult As Vintasoft.Imaging.Ocr.Results.OcrPage = engineManager.Recognize(image, settings, segmentation.Regions)
    
                        ' output the recognized text
    
                        System.Console.WriteLine("Page Text:")
                        System.Console.WriteLine(ocrResult.GetText())
                        System.Console.WriteLine()
                    Next
                End Using
    
                ' free images
                images.ClearAndDisposeItems()
            End Using
        End Sub
    End Class
    
    
    
    class OcrEngineManagerExample
    {
        /// <summary>
        /// Segments an image and recognizes text in the image.
        /// </summary>
        /// <param name="filename">The name of file, which stores images with text.</param>
        /// <param name="ocrLanguage">The language of recognizing text.</param>
        public static void SegmentsAndOcrImages(string filename, Vintasoft.Imaging.Ocr.OcrLanguage ocrLanguage)
        {
            // create an image collection
            using (Vintasoft.Imaging.ImageCollection images = new Vintasoft.Imaging.ImageCollection())
            {
                // add images from file to the image collection
                images.Add(filename);
    
                System.Console.WriteLine("Create Tesseract OCR engine...");
                // create the Tesseract OCR engine
                using (Vintasoft.Imaging.Ocr.Tesseract.TesseractOcr tesseractOcr = 
                    new Vintasoft.Imaging.Ocr.Tesseract.TesseractOcr())
                {
                    // create the OCR engine manager
                    Vintasoft.Imaging.Ocr.OcrEngineManager engineManager = 
                        new Vintasoft.Imaging.Ocr.OcrEngineManager(tesseractOcr);
                    
                    // create the OCR engine settings
                    Vintasoft.Imaging.Ocr.OcrEngineSettings settings = 
                        new Vintasoft.Imaging.Ocr.OcrEngineSettings(ocrLanguage);
    
                    // for each image
                    foreach (Vintasoft.Imaging.VintasoftImage image in images)
                    {
                        System.Console.WriteLine("Segmentation of the image...");
                        // create the processing command for segmentation of document image
                        Vintasoft.Imaging.ImageProcessing.Info.DocumentSegmentationCommand segmentation = 
                            new Vintasoft.Imaging.ImageProcessing.Info.DocumentSegmentationCommand();
                        // execute the processing command on document image
                        segmentation.ExecuteInPlace(image);
    
                        System.Console.WriteLine("Recognize the image...");
                        // recognize text in segmented image
                        Vintasoft.Imaging.Ocr.Results.OcrPage ocrResult = engineManager.Recognize(
                            image, settings, segmentation.Regions);
    
                        // output the recognized text
    
                        System.Console.WriteLine("Page Text:");
                        System.Console.WriteLine(ocrResult.GetText());
                        System.Console.WriteLine();
                    }
                }
    
                // free images
                images.ClearAndDisposeItems();
            }
        }
    }
    
    

    Иерархия наследования

    System.Object
       Vintasoft.Imaging.Ocr.OcrEngineManager

    Требования

    Целевые платформы: .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

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