VintaSoft Imaging .NET SDK 15.1: Documentation for .NET developer
Vintasoft.Imaging.Ocr Namespace
/ OcrEngineManager Class
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In This Topic
About VintaSoft Imaging .NET SDK
Licensing
How to use evaluation version
The License Agreement
Getting Started
Operating requirements
Installing VintaSoft Imaging .NET SDK
Updating VintaSoft Imaging .NET SDK
Learning
Information sources
Demo Applications Overview
Programming
Load images
Capture images
Capture images from cameras
View images
WinForms controls
View images
View thumbnails
Visual tools
Overview of visual tools
VisualTool class
GraphicObjectTool class
HighlightTool class
CustomSelectionTool class
UserInteractionVisualTool class
CompositeVisualTool class
How to's
How to select/deselect thumbnails?
How to speed up image preview process?
How to determine that image is visible in the image viewer?
How to change thumbnail appearance?
How to draw text on thumbnails?
How to load and view images in ImageViewer with different rendering settings?
How to use the external scroll bars with image viewer?
How to change the image brightness in image viewer?
How to start animation in image viewer?
How to programmatically scroll WinForms viewer to the focused image?
WPF controls
View images
View thumbnails
Visual tools
Overview of visual tools
WpfVisualTool class
WpfGraphicObjectTool class
WpfHighlightTool class
WpfCustomSelectionTool class
WpfUserInteractionVisualTool class
WpfCompositeVisualTool class
How to's
How to use the external scroll bars with WPF image viewer?
How to add text on thumbnails in WPF thumbnail viewer?
How to change brightness of image on WPF image viewer?
How to start animation in WPF image viewer?
How to add separators in WPF thumbnail viewer?
Fonts
Install TrueType fonts on Linux
2D graphics
Draw 2D graphics
Draw 2D graphics using GDI+
Draw 2D graphics using SkiaSharp
Render images
Process images
Overview of image processing
Processing command features
Custom processing command
Undo/redo changes in images
How to's
How to detect orientation of document image
Color Management
Print images
Print images using System.Drawing
Print images in WPF
Annotate images
Overview of image annotating
Annotation data
Save and load annotations
Save and load annotations
WANG annotations
Annotation view
Annotation view in WinForms
Annotation view in WPF
Link between image and annotation data collection
Link between annotation data and view collections
Link between annotation data and view collections in WinForms
Link between annotation data and view collections in WPF
Build and transform annotations
Build and transform annotations in WinForms
Build and transform annotations in WPF
Change visual appearance of interactive points of annotations
Change visual appearance of interactive points of annotations in WinForms
Change visual appearance of interactive points of annotations in WPF
View images with annotations
WinForms controls
View images with annotations in WinForms
View thumbnails with annotations in WinForms
View and transform annotations, interact with annotations in WinForms
WPF controls
View images with annotations in WPF
View thumbnails with annotations in WPF
View and transform annotations, interact with annotations in WPF
How to's
How to filter annotations while loading?
How to create square annotations?
How to get information about annotations of TIFF file?
How to annotate TIFF file?
How to annotate PDF document?
How to rotate image with annotations?
How to create custom annotation
How to create custom triangle annotation?
How to create custom mark annotation?
Image metadata
OCR
Introduction
Prepare image for text recognition
Prepare OCR engine for text recognition
Recognize text in an image
Obtain and edit the OCR results
Save the OCR results to a text file
Save the OCR results to a searchable PDF document
How to's
How to run OCR in image region?
How to convert an image-only PDF document to a searchable PDF document?
How to convert TIFF file to a searchable PDF document?
How to acquire image from scanner and generate searchable PDF document?
How to analyze layout of document image using Tesseract OCR
How to recognize only digits?
How to recognize MICR E-13B characters from image?
How to recognize MRZ characters from image?
How to recognize CIJ characters from image?
How to recognize text in two languages?
How to recognize white characters on a black background?
How to export the OCR result to hOCR file?
How to import the OCR result from hOCR file?
How to use result from other OCR engine?
How to use other OCR engine?
ICR
Recognize handwritten digits
Save images
Save image
Save image collection
How to's
How to save image with the same encoder settings?
Image codecs
Overview of codecs architecture
Advanced functionality for image decoding
Advanced functionality for image encoding
An example of custom BMP codec
An example of custom raster grid codec
TIFF
JBIG2
JPEG
How to 's
JPEG: How to get a quality value of JPEG image?
How to add ICC-profile to a JPEG image?
JPEG2000
How to's
How to convert TIFF to PDF?
How to convert TIFF to PDF/A?
How to convert TIFF to JBIG2?
How to convert JBIG2 to TIFF?
How to convert JPEG to JPEG2000?
How to convert JPEG2000 to TIFF?
How to convert PDF to DOCX?
PDF
Working with PDF document
Create PDF document
Load PDF document
Print PDF document
Print PDF document using System.Drawing
Verify PDF document
Working with PDF page
Working with pages of PDF document
Render PDF content
Render PDF page
Customize rendering of PDF content
Search and extract text in PDF document
Working with actions of PDF document
Navigate PDF document
Working with fonts of PDF document
Working with image resources of PDF document
Working with templates of PDF document
Working with embedded files of PDF document
Working with portfolio of PDF document
Edit content of PDF page
Draw graphics on PDF page
Edit content of PDF page programmatically
Edit content of PDF page in WPF viewer
Edit content of PDF page in WinForms viewer
Remove content from PDF page
How to's
How to draw PDF page on another PDF page?
How to draw text in rectangle on PDF page and maintain aspect ratio of text?
Work with annotations of PDF document
Annotate PDF document
Working with PDF annotations of PDF document
View PDF annotations of PDF document
View PDF annotations of PDF document in WinForms
View PDF annotations of PDF document in WPF
Edit PDF annotations of PDF document
Edit PDF annotations of PDF document in WinForms
Edit PDF annotations of PDF document in WPF
Working with optional content of PDF document
Interactive forms of PDF document
Interactive fields of PDF document
Working with interactive fields of PDF document
Get information about fields of PDF interactive form
Extract field values from PDF interactive form
Add field to the PDF interactive form
Add field to the PDF interactive form
Add a check box field to the PDF interactive form
Add a pushbutton field to the PDF interactive form
Add a group of radio buttons field to the PDF interactive form
Add a combo box field to the PDF interactive form
Add a list box field to the PDF interactive form
Add a text input field to the PDF interactive form
Add a barcode field to the PDF interactive form
Add a signature field to the PDF interactive form
Change field value in PDF interactive form
Remove field from PDF interactive form
Work with actions of PDF interactive form field
Work with actions of PDF interactive form field
Add a JavaScript calculator to a PDF interactive form
Add a 'Submit' action button to a PDF interactive form
Add an 'Import' action button to a PDF interactive form
Import and export data of PDF interactive form
View interactive fields of PDF document
View interactive fields of PDF document in WinForms
View interactive fields of PDF document in WPF
Edit interactive fields of PDF document in viewer
Edit interactive fields of PDF document in WinForms
Edit interactive fields of PDF document in WPF
Low level access to the structure of PDF document
Protect PDF document
Use digital signatures in PDF document
Optimize and compress PDF document
Optimize and compress PDF document
Use MRC compression for encoding PDF document
Convert PDF document
Save PDF document
How to's
How to split PDF document?
How to merge PDF documents?
How to convert a text file to a PDF document?
How to convert PDF to TIFF?
How to convert an extra large PDF page to a TIFF image?
How to convert PDF to SVG?
How to convert PDF to DOCX?
How to flatten annotations in PDF document?
How to flatten form fields in PDF document?
How to create ZUGFeRD PDF document?
Office
DOCX
DOCX: Overview
Render pages of DOCX document
Programmatically edit DOCX document using low-lewel editor
Edit a DOCX document in document editor control
Edit a DOCX document in WinForms document editor control
Edit a DOCX document in WPF document editor control
How to's
How to set layout settings of DOCX document?
How to convert DOCX to PDF?
How to convert DOCX to TIFF?
How to convert DOCX to PNG?
How to convert DOCX to SVG?
How to convert DOCX to HTML?
How to convert DOCX to a text file?
How to convert DOC to DOCX?
How to convert RTF to DOCX?
How to convert PDF to DOCX?
How to convert HTML to DOCX?
How to convert ODT to DOCX?
How to work with secured DOCX file?
XLSX
XLSX: Overview
Render pages of XLSX document
Programmatically edit XLSX document using low-level editor
Programmatically edit a spreadsheet document using high-level editor
Edit a spreadsheet document in spreadsheet editor control
Edit a spreadsheet document in WinForms spreadsheet editor control
Edit a spreadsheet document in WPF spreadsheet editor control
Work with worksheets in XLSX document
Work with cell rows on XLSX page
Work with cell columns on XLSX page
Work with cells on XLSX page
Work with formulas on XLSX page
Work with drawing objects on XLSX page
Work with charts on XLSX page
Work with comments on XLSX page
How to's
How to set layout settings of XLSX document?
How to convert XLSX to PDF?
How to convert XLSX to TIFF?
How to convert XLSX to PNG?
How to convert XLS to XLSX?
How to convert ODS to XLSX?
How to work with secured XLSX file?
PPTX
PPTX: Overview
Render pages of PPTX document
How to's
How to convert PPTX to PDF?
How to convert PPTX to TIFF?
How to convert PPTX to PNG?
How to convert PPTX to SVG?
DICOM
Working with DICOM files
View DICOM images
View DICOM images in WinForms
View DICOM images in WPF
Annotate DICOM images
Annotate DICOM images
Annotate DICOM images in WinForms
Annotate DICOM images in WPF
DICOM MPR
DICOM Multiplanar reconstruction
View DICOM multiplanar reconstruction in WinForms
View DICOM multiplanar reconstruction in WPF
How to's
How to convert a DICOM file to JPEG images?
How to group DICOM files by patients, studies, series?
Forms Processing
Introduction to the forms processing
Form template
Forms identification and recognition
Forms identification and recognition
Identify and recognize a document that contains only one form
Identify and recognize a document that contains several forms
Identify and recognize a document that contains forms with marks
Identify and recognize a document that contains forms with text
Identify and recognize a document that contains forms with handwritten digits
Identify and recognize a document that contains forms with barcodes
Identification of document image
Localization
Localize VintaSoft Imaging .NET SDK
Localize VintaSoft .NET assembly
Localize VintaSoft WinForms demo project
Deploying
Deploying VintaSoft Imaging .NET SDK
API References
.NET API Reference
Vintasoft.Imaging Assembly
Vintasoft.Imaging.Annotation Assembly
Vintasoft.Imaging.Annotation.Dicom Assembly
Vintasoft.Imaging.Annotation.Dicom.UI Assembly
Vintasoft.Imaging.Annotation.Dicom.Wpf.UI Assembly
Vintasoft.Imaging.Annotation.Office Assembly
Vintasoft.Imaging.Annotation.Office.UI Assembly
Vintasoft.Imaging.Annotation.Office.Wpf.UI Assembly
Vintasoft.Imaging.Annotation.Pdf Assembly
Vintasoft.Imaging.Annotation.Pdf.UI Assembly
Vintasoft.Imaging.Annotation.UI Assembly
Vintasoft.Imaging.Annotation.Wpf.UI Assembly
Vintasoft.Imaging.CadCodec Assembly
Vintasoft.Imaging.Dicom Assembly
Vintasoft.Imaging.Dicom.Mpr Assembly
Vintasoft.Imaging.Dicom.Mpr.UI Assembly
Vintasoft.Imaging.Dicom.Mpr.Wpf.UI Assembly
Vintasoft.Imaging.Dicom.UI Assembly
Vintasoft.Imaging.Dicom.Wpf.UI Assembly
Vintasoft.Imaging.DocCleanup Assembly
Vintasoft.Imaging.Drawing.SkiaSharp Assembly
Vintasoft.Imaging.FormsProcessing Assembly
Vintasoft.Imaging.FormsProcessing.Ocr Assembly
Vintasoft.Imaging.FormsProcessing.Ocr.UI Assembly
Vintasoft.Imaging.FormsProcessing.Ocr.Wpf.UI Assembly
Vintasoft.Imaging.FormsProcessing.UI Assembly
Vintasoft.Imaging.FormsProcessing.Wpf.UI Assembly
Vintasoft.Imaging.Gdi Assembly
Vintasoft.Imaging.Jbig2Codec Assembly
Vintasoft.Imaging.Jpeg2000Codec Assembly
Vintasoft.Imaging.Media Assembly
Vintasoft.Imaging.Ocr Assembly
Overview
Namespaces
Vintasoft.Imaging.Ocr Namespace
Overview
Classes
ImageOcrRecognitionSettings
OcrEngine
OcrEngineManager
Overview
Members
OcrEngineManager Constructor
Properties
Methods
Events
Progress
OcrEngineSettings
OcrException
OcrRecognitionRegionSplittingSettings
RecognitionRegion
Enumerations
OcrEngineType
OcrLanguage
OcrObjectType
RecognitionRegionType
Vintasoft.Imaging.Ocr.Results Namespace
Vintasoft.Imaging.Ocr.ML Assembly
Vintasoft.Imaging.Ocr.Tesseract Assembly
Vintasoft.Imaging.Office.OpenXml Assembly
Vintasoft.Imaging.Office.OpenXml.UI Assembly
Vintasoft.Imaging.Office.OpenXml.Wpf.UI Assembly
Vintasoft.Imaging.Pdf Assembly
Vintasoft.Imaging.Pdf.JavaScript Assembly
Vintasoft.Imaging.Pdf.Mrc Assembly
Vintasoft.Imaging.Pdf.Ocr Assembly
Vintasoft.Imaging.Pdf.Office Assembly
Vintasoft.Imaging.Pdf.Office.UI Assembly
Vintasoft.Imaging.Pdf.Office.Wpf.UI Assembly
Vintasoft.Imaging.Pdf.UI Assembly
Vintasoft.Imaging.Pdf.Wpf.UI Assembly
Vintasoft.Imaging.RawCodec Assembly
Vintasoft.Imaging.UI Assembly
Vintasoft.Imaging.WebpCodec Assembly
Vintasoft.Imaging.WsiCodec Assembly
Vintasoft.Imaging.Wpf Assembly
Vintasoft.Imaging.Wpf.UI Assembly
Vintasoft.Shared Assembly
API changes history
API changes in version 9.0
API changes in Imaging
API changes in PDF
API changes in Forms Processing
API changes in version 9.1
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in DICOM
API changes in Forms Processing
API changes in JPEG2000
API changes in version 9.1.2
API changes in Imaging
API changes in PDF
API changes in Office
API changes in version 10.0
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in Document Cleanup
API changes in DICOM
API changes in Office
API changes in version 10.1
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in DICOM
API changes in Forms Processing
API changes in Office
API changes in version 11.0
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in DICOM
API changes in Office
API changes in version 12.0
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in OCR
API changes in DICOM
API changes in Office
API changes in version 12.1
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in OCR
API changes in Office
API changes in version 12.2
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in OCR
API changes in Office
API changes in DICOM
API changes in Document Cleanup
API changes in version 12.3
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in OCR
API changes in Office
API changes in Forms Processing
API changes in DICOM
API changes in Document Cleanup
API changes in version 12.4
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in Office
API changes in DICOM
API changes in JPEG2000
API changes in version 12.5
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in Document Cleanup
API changes in OCR
API changes in DICOM
API changes in Office
API changes in version 14.0
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in DICOM
API changes in Office
API changes in version 14.1
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in JPEG2000
API changes in Forms Processing
API changes in Office
API changes in DICOM
API changes in version 15.0
API changes in Imaging
API changes in Annotation
API changes in Office
API changes in DICOM
API changes in version 15.1
API changes in Imaging
API changes in Annotation
API changes in PDF
API changes in JPEG2000
API changes in Office
API changes in DICOM
OcrEngineManager Class Events
In This Topic
For a list of all events of this type, see
OcrEngineManager
.
Public Events
Name
Description
Progress
Occurs when text recognition is in progress.
See Also
Reference
OcrEngineManager Class
Vintasoft.Imaging.Ocr Namespace
