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LEADTOOLS Document Imaging Suite SDK

de LEAD Technologies - Tipo de producto: Componente / Complemento / ASP.NET AJAX (ATLAS) / .NET WinForms / .NET Class / .NET WCF / .NET WPF / Silverlight / .NET WF / Windows Runtime Controls / DLL / VC++ Class Library

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The LEADTOOLS Document Imaging Suite SDK is a collection of LEADTOOLS SDK features designed to build end-to-end document imaging applications within enterprise level document automation solutions that requires capture, form recognition and processing, archival, annotation and display functionality. This powerful set of tools utilizes LEAD's image processing technology to intelligently identify document features that can be used to recognize any type of scanned or faxed form image.

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LEADTOOLS Document Imaging Suite 19   *

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What's New in LEADTOOLS Version 19

Product Line Changes
Over the years, LEAD has received valuable feedback and insight into what features are most popular with its customers. Armed with that info, the LEADTOOLS Version 19 product line has been bundled and simplified with regards to its add-on structure. The Barcode add-on modules have been moved into specific value-oriented bundle products within the Pro Imaging Family, and are now included in Document Imaging. The HTML5 modules are now bundled with the top-tier "Suite" product in each family.

Pro Imaging Family

  • Imaging Pro SDK
  • Barcode Pro SDK
  • PDF Pro SDK
  • Pro Suite SDK

Document Imaging Family

  • Document Imaging SDK (includes Barcode 1D and 2D)
  • Recognition Imaging SDK
  • Document Imaging Suite SDK
  • OCR Advantage Module (included in Recognition Imaging and Document Imaging Suite)
  • OCR Professional Module
  • Arabic OCR Professional Module
  • Asian OCR Professional Module
  • ICR Professional Module

Medical Imaging Family

  • Medical Imaging SDK
  • PACS Imaging SDK
  • Medical Imaging Suite SDK
  • Medical Multimedia Module (included in Medical Imaging Suite)
  • Dental Display Module (new Medical Imaging Suite add-on)
  • Any Document Imaging Add-on

Multimedia Imaging Family

  • Multimedia SDK
  • Multimedia Suite SDK
  • DVD Module (included in Multimedia Suite)
  • Video Streaming Module (included in Multimedia Suite)
  • MPEG-2 Transport Module (included in Multimedia Suite)

Changes to the Document Engine in version 19

Documents SDK

  • Framework for creating, reading and writing raster and SVG images, annotations, thumbnails, text data and metadata from supported document types
    • Document Converter - Convert PDF & office formats at 100% accuracy without the need for OCR
    • Document Viewer - View any format with text search, annotations, lazy loading, and SVG rendering
    • Document Writers - Redesigned to use cross-platform SVG rather than Windows-only EMF
  • Comprehensive support for today's most popular document, vector and raster image formats
    • Adobe Acrobat PDF and PDF/A
    • Microsoft Office DOC/DOCX, XLS/XLSX and PPT/PPTX, PST, EML, MSG and XPS formats
    • CAD formats such as DXF, DWG and DWF
    • TIFF, JPEG, PNG, EXIF, BMP and hundreds more raster image formats
    • Plain Text, RTF, HTML, MOBI, ePUB and more
  • Document Writers formats
    • ePUB
    • MOBI
    • SVG

Forms Recognition and Processing

  • Unstructured and semi-structured form types
    • Invoice
    • Passport & MRZ
    • Driver's License & ID
    • Checks & MICR
  • Redesigned demos with advanced editors for all form types
  • Significant speed improvements
  • Drop-out pre-processing algorithm


  • Improved OCR accuracy across all languages including East Asian and Arabic
  • Enhanced auto-zone algorithm
  • More efficient memory usage
  • Improved detection of foreground and background colors for text areas
  • Manual and automated perspective deskew algorithm improves the recognition of perspectival skewed images with 3D Deskew filtering


  • Across-the-board speed improvements
  • Load text, vector graphics, and raster images from PDF without rasterizing
  • Enhanced rasterization and thumbnail generation
  • PDF Optimizer tool for reducing document size
  • Compression options including JPEG2000
  • Extraction of resources including fonts, text, bookmarks, metadata, etc.
  • Image extraction and decoding
  • Options for controlling PDF document Initial View including AutoPrint
  • WinRT PDF libraries


  • Multi-container annotations
  • Annotation and markup object types
    • Text-based review annotation types similar to Adobe Acrobat and Microsoft Word
    • Bates Stamp
    • Filled-in arrowhead
  • Auto-resize option for wrapped objects
  • Improved options for loading and saving annotations
  • Drag and drop annotations between containers
  • Convert LEADTOOLS core annotations to PDF annotations
  • Use Image Viewer Control's Interactive Modes and Automated Annotations simultaneously


  • Barcode types (read and write)
    • Micro QR Code
    • Aztec Code
    • MaxiCode
  • Reading flipped QR Codes

Document Cleanup Image Processing Functions

  • Auto Border Remove
  • Auto Content Enlarger
  • Auto Multi-page Splitter
  • Blur Extend Detection
  • Glare Detection
  • Image Alignment
  • Signal to Noise Ratio
  • Text Blur Detection

Improved Support for Internet Printing Protocol (IPP)

Version 18 updated
What's New in the LEADTOOLS Document Engine

  • Faster and more accurate results for all OCR engines
  • Added support for OCR in Linux
  • Redesigned and expanded Magnetic Ink Character Recognition (MICR) Algorithm
  • Increased performance of PDF I/O operations
  • Full support for Microsoft Internet Printing Protocol (IPP)
  • Enhanced Office file format (DOC, DOCX, PPT, PPTX, XLS & XLSX) loading speed and display quality

LEADTOOLS Version 18.
This new release is highlighted by new LEADTOOLS Anywhere™ native libraries for WinRT, iOS, OS X, Android and Linux, along with major updates to LEADTOOLS Document, Medical and Multimedia technology for Win32/64, .NET and HTML5.

LEADTOOLS Anywhere™ extends LEAD Technologies' award winning LEADTOOLS Imaging SDKs to every major development platform. This initiative began last year with the release of SDKs for HTML5 and WinRT. The HTML5 SDKs made it possible to develop zero footprint web applications and WinRT laid the necessary foundation for porting LEADTOOLS to other native platforms. With LEADTOOLS 18, LEAD has further expanded the reach of its Imaging SDKs by offering native libraries for iOS, OS X, Android and Linux development. All core LEADTOOLS imaging technology is natively supported in each of these platforms, including viewing, annotation and markup, OCR, OMR, forms processing, 1D and 2D barcode, PDF, DICOM and support for over 150 file formats and 200 image processing functions.

LEAD Technologies have released a major update to 17.5

What's new in the LEADTOOLS HTML5 SDKs
Both the document and medical HTML5 image viewer controls received major improvements to their ease of use, image display quality, and browser compatibility. Additionally, many new features and enhancements were added to the Zero Footprint HTML5 DICOM Viewer and its customizable web application, further establishing LEADTOOLS as the most powerful zero footprint DICOM SDK on the market.

General HTML5 Image Viewer Control

  • Support for attaching any interactive mode to mouse wheel
  • Display bitonal images using Scale to Gray interpolation
  • New web service for converting existing LEAD annotation files to HTML5 / JavaScript format

Medical HTML5 Viewer and Demo

  • Drag and Drop support
  • Faster window level
  • Comprehensive support for signed image display
  • Full support for DICOM display properties and tags
    • Modality & Linear Modality LUT
    • VOI & Linear VOI LUT
    • Min / Max Value
    • High Bit & Bits Allocated
    • Photometric Interpretation
  • Gesture sensitivity and custom palette support for window level
  • Added Cine Playback
  • Added reset to original window level value option
  • Screen Capture support
    • Burn annotations and save as PNG / JPEG to local machine
    • Burn annotations and save as derived series in local archive

What's new in the LEADTOOLS Document Engine
The extensive and diverse technology in the LEADTOOLS Document Engine received many improvements in speed, recognition accuracy, document formats supported and searchable text output quality.


  • Support for reading and writing PDF annotations
    • Note
    • Text
    • Line
    • Rectangle
    • Ellipse
    • Polyline
    • Polygon
    • Pencil
    • Highlight
    • Underline
    • Strikeout
    • Squiggly
  • Added read and write support for latest PDF specification (v1.7)
  • Improved text extraction speed with full Unicode support


  • Dramatically improved recognition accuracy in Advantage OCR engine
  • Advantage OCR 50% faster including auto table detection
  • Underline font style detection
  • New algorithm for recognizing alphanumeric codes that do not correspond to a dictionary (e.g. passport number, IDs, etc.)
  • Numeric Zone Type in Advantage OCR Engine

Other Document Engine Updates

  • Improved formatted output for Office formats (DOC/DOCX, XLS/XLSX, PPT/PPTX)
  • Added support for saving large JBIG2 files greater than several GB
  • Up to 30% faster recognition speed for 1D Linear Barcodes

What's New in the LEADTOOLS Imaging and Vector Engines
The Imaging and Vector engines received several updates improving and extending their file format support.

  • Load / Convert HTML into a raster image
  • Rasterize vector files (DXF, DWG, SVG and more) in the .NET interface
  • Additional vector options for rasterizing vector drawings such as background fill, bits per pixel and transformation
  • RLE compression for PCL
  • Support for gradient fill and EM units in SVG

What's New in the LEADTOOLS Document Engine V17.5 Re-mastered
The LEADTOOLS Document Imaging engine has received major enhancements, including significant improvements to the speed and accuracy of its OCR, PDF and Barcode engines, as well as new SharePoint integration capabilities.

OCR Advantage
The latest version of LEADTOOLS 17.5 includes dramatically increased speed and accuracy of the OCR Advantage engine.

  • Increased speed by up to 300%
  • Faster and More accurate table detection
  • Auto Orient up to 8x faster
  • Improved algorithm for small zones - yielding greater accuracy for Forms Recognition and Processing
  • Greatly enhance accuracy of color image recognition using new segment based auto-binarization algorithm


  • Load times between 400% and 800% faster
  • PDF Support for v1.7
  • Added support for reading with 128 bit AES and 256 bit AESv3 encryption
  • Native multithreaded support

SharePoint Integration

  • Load and Save images directly to and from SharePoint
  • SharePoint integration with other LEADTOOLS features such as OCR, Barcode, File Format Conversion and more

Microsoft Phone 7 Silverlight

  • Improved speed for Windows Phone 7 Barcode libraries
  • New Live Capture Barcode demo

What's new in Leadtools Document Imaging SDK V17.5

  • Detect, read and write Barcodes in Silverlight and Windows Phone
  • New high-level Barcode design for .NETsimplifies adding support for all barcode types in your application without any special knowledge of barcode symbologies
  • Dramatically increased barcode recognition speed by up to 9X
  • Automated cleanup for barcodes
  • PDF updates and improvements
    • PDF runtime now requires only a single DLL for distribution
    • Merge multiple PDF or Postscript files into a single PDF document
    • Split a PDF into multiple documents
    • Extract text with properties such as bounding rectangle, font information and color
    • Extract hyperlinks, bookmarks and internal links
    • Load and save PDF metadata such as Title, Author, Subject, Keywords and Producer
    • New PDF Document Editor with extended support for adding, replacing, and deleting pages in any PDF file
    • Enhanced PDF encryption support
    • Convert Postscript files to PDF with full control over distiller, encryption and compatability settings
    • Convert existing PDF files to linearized PDFs(optimized for web viewing)
    • Convert existing PDF files to PDF/A-1B
    • Save fully customized UNICODE Bookmarks in PDF files
    • Added support for multi-threaded PDF load
    • Added support for writing PDF 1.3 and 1.6
    • New PDF Info Extractor gets information about PDF version, image width, height, bit depth, compression and DPI
  • OCR Advantage Engine updates and improvements
    • AutoZone has been improved to provide fewer, more accurate zones, improving OCR results
    • Dramatically accelerated AutoZone detection, improving overall performance for OCR
    • Faster Advanced Table Detection, providing better performance when dealing with documents containing tables
    • New image pre-processing features to improve OCR results including fixing broken letters, dithered text, inverted text and more.
    • Now supports the following languages: Bulgarian, Catalan, Chinese (Traditional and Simplified), Czech, Danish, Dutch, Finnish, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Swedish, Turkish, Ukrainian and Vietnamese
    • Added support for built-in Spellcheckingincluding NHunspell and Microsoft's System.Windows.Controls.SpellCheck engines
  • Enhancements to Existing File Formats
    • Support for loading Office 2007 formats: DOCX, XLSX and PPTX
    • Optimized load performance for DOC format
    • Added ability to load Office formats from memory
    • Added support for JBIG2 with non-sequential headers (i.e. random access)
    • Support for loading refinement segments in JBIG2 format
  • Increased the speed of the Line Remove image processing function
  • New ImageColorType function for detecting whether the image is mostly black and white, grayscale or color.
  • Virtual Printer now supports network printing


Overview of LEADTOOLS Document Imaging Suite Technology

  • For development of Windows and web applications and includes native 32 and 64 bit imaging binaries
  • Add Document Imaging Suite technology to single and multi-threaded applications
  • Development tools and components for Silverlight, Win Forms, Web Forms, WPF, C and C++ development
  • Includes many broad and functionally specific demo projects with source code for C, Visual C++ (MFC), VB.NET, Silverlight and C#
  • Imaging technology available as WCF services
  • Imaging technology available as WF activities
  • Documentation includes sample source code for every function, method, property and event
  • Free technical support is available to customers and developers evaluating LEADTOOLS

Recognition - Forms, OCR, OMR and Barcode
The provided recognition and processing engines fully automate document classification and data extraction for known forms. The recognition engine creates unique XML data for each known form which is used to identify any form requiring recognition. The processing engine uses templates consisting of predefined fields for each known form. These fields can be defined using the Forms application included with the SDK, or developers can create their own template editor using the toolkit. Supported field types include machine and hand written characters, check boxes, filled bubbles, cross marks and barcodes.

For maximum performance, forms recognition and OCR high level interfaces utilize an intelligent multi-threaded algorithm during recognition and processing and are supported in both 32 and 64 bit development.

In addition to saving the recognized data in various structured output formats such as delimited text, XML or database fields, a recognized free form document can be converted to searchable PDF for enterprise data mining.

  • Includes the LEADTOOLS OCR Advantage SDK Module
  • Includes the LEADTOOLS OCR PDF SDK Module
  • Includes the LEADTOOLS 1D Barcode SDK Module
  • Includes the LEADTOOLS 2D Barcode SDK Module
  • Includes LEADTOOLS Forms Recognition and Processing
  • Includes the LEADTOOLS OMR SDK Module

Image Load, Save, Conversion and Compression

  • Document formats including searchable PDF, XPS and DOC
  • OCR output document formats including searchable PDF, XPS and DOC
  • Includes all PDF technology in LEADTOOLS including conversion and compression
  • EMF creation and conversion
  • Image formats for desktop and web applications
  • Archive files and data to CD, DVD and ISO files
  • WIC codecs
  • High-level image compression optimizer to automatically optimize bit depth and compression settings
  • Compress and decompress ABIC image data and formats
  • Compress and decompress JPEG image data and formats
  • Compress and decompress JPEG 2000 image data and formats
  • Compress and decompress CCITT, CCITT G3 and CCITT G4 image data and formats
  • Compress and decompress LEAD CMP image data and formats
  • Compress and decompress LZW image data and formats
  • Compress and decompress RLE and PackBits image data and formats
  • Compress and decompress ZIPLIB image data and formats
  • Compress and decompress Huffman image data and formats
  • Compress and decompress Arithmetic image data and formats
  • Compress and decompress LEAD CMW image data and formats
  • Compress and decompress LEAD ABC image data and formats
  • Load, save and modify image metadata
  • Imaging common dialogs
  • NITF format
  • Imaging specific HTTP and FTP functionality
  • Mixed Raster Content
  • JPIP

Bitonal and Color Image Processing
To further enhance the accuracy of the recognition process, the Document Imaging Suite SDK includes the LEADTOOLS document image clean-up engine, a set of document image pre-processing tools for deskew and despeckle, as well as line, border and hole-punch removal.

  • Document image processing and pre-recognition cleanup
  • General image processing
  • Image segmentation
  • Digital paint technology
  • Imaging common dialogs

Image Capture and Acquisition

  • Capture technology overview
  • Virtual printer driver to capture from any application
  • Acquire images and control TWAIN devices and scanners
  • Optimize scanning with LEADTOOLS Fast TWAIN acquisition
  • Acquire images and control WIA devices and scanners
  • Capture images from the screen

Image Display and Annotation

  • Image annotation and markup
  • Enhanced bitonal image display
  • Image display functions for C and C++
  • Image display controls for .NET
  • Image display controls for Silverlight
  • AJAX Web Form imaging controls
  • WPF imaging controls
  • Print images to Windows printers

LEADTOOLS Document Imaging Suite Includes:
All of the technology from the following products are included with the LEADTOOLS Document Imaging Suite:

  • LEADTOOLS Raster PDF Read Plug-in
  • LEADTOOLS Raster PDF Write Plug-in
  • LEADTOOLS OCR Module - Advantage
  • LEADTOOLS 1D Barcode Module
  • LEADTOOLS 2D Barcode Module
  • LEADTOOLS Virtual Printer Module

LEADTOOLS Document Imaging Suite can be Extended to Add More Technology
Add-on modules and plug-ins may be added to LEADTOOLS Document Imaging Suite to add even more imaging technology.

  • LEADTOOLS Advanced PDF Plug-in
  • LEADTOOLS OCR Module - Plus
  • LEADTOOLS OCR Module - Professional
  • LEADTOOLS Arabic OCR Module - Professional
  • LEADTOOLS Asian OCR Module - Professional
  • LEADTOOLS ICR Module - Plus
  • LEADTOOLS ICR Module - Professional
  • LEADTOOLS WinRT Module



Sandard Support (Free)
Standard technical support is provided free to all registered LEADTOOLS customers. In addition, LEAD offers free Standard technical support to prospective customers working with evaluation versions of their products. Free Standard technical support includes unlimited email communication and unlimited access to LEAD's online support portal including the community forums and Knowledge base.

Premium Support ($100 per case, $400 - 5 pack of cases )
In addition to free Standard technical support, LEAD offers Premium support on a per "case" basis. Premium support allows customers to contact LEAD's support representatives by telephone. Support representatives may be reached by phone Monday - Friday, 8:30 - 6:00 EST, excluding national holidays.

Annual Maintenance (Annual fee)
By purchasing a LEADTOOLS Annual Maintenance plan, you receive any and all development seat updates, enhancements and new versions released by LEAD during the period of maintenance. In addition to updates and upgrades, as an annual maintenance subscriber, you receive five (5) free Premium Support cases to use during the maintenance period. Finally, a maintenance subscriber is entitled to a 30% discount on additional Premium Support cases over and above the 5 free cases provided with a maintenance subscription.

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