Enum OcrImageEnhancementMode

Specifies how image enhancement is applied during OCR processing.

Namespace: Syncfusion.OCRProcessor

Assembly: Syncfusion.OCRProcessor.Base.dll

Syntax

public enum OcrImageEnhancementMode

Examples

// Initialize the OCR processor.
OCRProcessor processor = new OCRProcessor();
//loading the input image.
FileStream stream = new FileStream(@"Input.pdf", FileMode.Open);
PdfLoadedDocument document = new PdfLoadedDocument(stream);
sets the image enhancement mode used for OCR processor
processor.ImageEnhancementMode = OcrImageEnhancementMode.EnhanceForRecognitionOnly;
document = processor.PerformOCR(document);
FileStream outputStream = new FileStream("Output.pdf", FileMode.CreateNew);
//Save the document into stream.
document.Save(outputStream);
document.Close(true);

Fields

Name	Description
EnhanceAndIncludeInOutput	Image is enhanced and the enhanced version is used in the output document.
EnhanceForRecognitionOnly	Image is enhanced internally to improve OCR accuracy, but the original image is retained in the output.
None	No image enhancement is performed. The original image is used for OCR processing.