The document image cleanup is used for the achievement of clean scanned documents, the improvement of text readability, the reduction of image file size, the improvement of OCR and barcode recognition results.

VintaSoft Document Cleanup .NET Plug-in allows to cleanup the scanned image, segment the document image and improve the text appearance.

Plug-in features

• General features

  • The plug-in can be used for developing .NET 10, .NET 9, .NET 8, .NET 7, .NET 6 applications (console, WPF, WinForms, ASP.NET Core, service, etc) for Windows
  • The plug-in can be used for developing .NET 10, .NET 9, .NET 8, .NET 7, .NET 6 applications (console, ASP.NET Core, service, etc) for Linux and macOS
  • The plug-in can be used for developing .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5 applications (console, WPF, WinForms, ASP.NET MVC, ASP.NET WebForms, service, etc) for Windows
  • The plug-in core is written in C#
  • AnyCPU, x86 and x64 mode support
  • Cleanup artifacts and imperfections in scanned images
  • Improve scanned documents of poor quality
  • Correct the perspective distortion of document image
  • Remove lines, tables, shapes, hole punches and halftones from document images
  • Cleanup document image to get better optical character recognition (OCR) results
  • Cleanup document image to get better barcode recognition results
  • Cleanup images to get better image file compression and size results
  • Improve the text appearance and readability in document images
  • Remove JPEG compression artifacts from JPEG images
  • Segment document image to get better optical character recognition (OCR) results
  • Segment document image to get better image file compression and size results
  • JavaScript classes for processing document images in ASP.NET
  
  

• Supported image document cleanup and processing commands

  • DocumentPerspectiveCorrectionCommand - corrects the perspective distortion of document image
  • DespeckleCommand - detects and removes speckles from document image
  • BorderClearCommand - clears noise on the border of document image
  • HolePunchRemovalCommand - detects and removes hole punches from document image
  • LineRecognitionCommand - performs the search of lines on the image
  • LineFillingCommand - fills the lines in the image
  • LineRemovalCommand - detects and removes extraneous lines from document image (lines of forms, tables, underlining and strikethrough of text, noise)
  • DottedLineRemovalCommand - detects and removes horizontal dotted lines from document image
  • ShapeRemovalCommand - detects and removes shapes on black/white document image
  • HalftoneRecognitionCommand - detects halftone regions on the document image
  • HalftoneRemovalCommand - detects and removes halftones from document image
  • AdvancedReplaceColorCommand - substitutes the image colors which are defined by the color spheres with the ability of linear color interpolation
  • ColorNoiseClearCommand - cleans up noise and artifacts of specified colors in 24-bit image
  • SmoothingCommand - applies a smoothing effect to 1-bpp image
  • DeskewCommand - detects rotation angle of image with text and rotates to straighten it
  • DeskewDocumentImageCommand - detects rotation angle of document image and rotates to straighten it
  • GetDocumentImageRotationAngleCommand - determines the rotation angle of document image
  • AutoTextOrientationCommand - detects text orientation on document image (90, 180 or 270 degrees) and rotates it (for languages based on the Latin alphabet only)
  • GetTextOrientationCommand - determines the orientation angle of text in document image (for languages based on the Latin alphabet only)
  • AutoInvertCommand - detects inverted document image and inverts it
  • AutoTextInvertCommand - detects inverted text on document image and inverts the text
  • RestoreTextFromHalftoneCommand - detects text in halftone regions and restores the text
  • DocumentSegmentationCommand - detects the text and lines on document image
  • ImageSegmentationCommand - detects the pictures on document image

Development and Deployment requirements

• Development requirements:

  • Development environments: Microsoft Visual Studio, Microsoft Studio Code, JetBrains Rider, .NET CLI
  • Programming languages: C#, VB.NET, any .NET compatible language
  • Development platforms: .NET, WinForms, WPF, ASP.NET
  
  

• Deployment requirements:

  • Windows (Windows 11/10/8.1/8/7; Windows Server 2025/2022/2019/2016/2012/2008; 32-bit and 64-bit) with .NET 10, .NET 9, .NET 8, .NET 7, .NET 6
  • Windows (Windows 11/10/8.1/8/7/Vista/XP; Windows Server 2025/2022/2019/2016/2012/2008; 32-bit and 64-bit) with .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5
  • Linux (Ubuntu 24/23/22/20/18; Debian 12/11/10/9; Fedora 44/43/42/41; OpenSUSE 15; CentOS 9/8/7; Redhate Enterprise Linux 8/7; Alpine 3) with .NET 10, .NET 9, .NET 8, .NET 7, .NET 6
  • macOS (macOS 26/15/14/13/12) with .NET 10, .NET 9, .NET 8, .NET 7, .NET 6