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Help Version 19.0.2017.10.27
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Leadtools.Forms.Ocr provides programming tools for quickly and easily inserting document optical character recognition (OCR) technology into software applications. The Leadtools.Forms.Ocr namespace is supported on multiple platforms. The various redistributables, dependencies, and sample programs are listed below, by platform.
| Path | Target Platform |
|---|---|
| <installdir>\Redist\DotNet\Win32 | x86 .NET 2.0, 3.0 or 3.5 |
| <installdir>\Redist\DotNet4\Win32 | x86 .NET 4 or 4.5 |
| <installdir>\Redist\DotNet\x64 | x64 .NET 2.0, 3.0 or 3.5 |
| <installdir>\Redist\DotNet4\x64 | x64 .NET 4 or 4.5 |
| Library | Description | Dependencies |
|---|---|---|
| Leadtools.Forms.Ocr.dll | OCR forms library |
Leadtools.dll Leadtools.Forms.DocumentWriters.dll Leadtools.Forms.dll Leadtools.Codecs.dll |
| Description | Path | Details |
|---|---|---|
| OCR Multi-Engine (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrMultiEngineDemo |
Demonstrates all of the LEADTOOLS OCR class library features.
NOTE: This demo loads all document files as raster images and then \Examples\DotNet\CS\DocumentConverterDemo |
| OCR Advantage Engine demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrAdvantageDemo | Demonstrates features of the LEADTOOLS OCR Advantage Engine. |
| OCR Screen Capture demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrScreenCaptureDemo | Demonstrates how to OCR an area that is captured from the screen using Screen Capture. |
| Ocr auto recognize demo (Windows Forms) |
<installdir>\Examples\DotNet\<CS/VB>\OcrAutoRecognizeDemo | Demonstrates how to use the one shot "Fire and forget" OCR auto recognition capabilities. |
| Ocr modules demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrModulesDemo |
Demonstrates the various OCR modules supported by the LEADTOOLS OCR class library. |
| Ocr multi-threading demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrMultiThreadingDemo | Demonstrates how to use threads to simultaneously perform more than one recognition operation at the same time. |
| Ocr zones rubber band demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrZonesRubberBandDemo | Demonstrates how to interactively add and modify zones to OCR documents. |
| Ocr settings demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrSettingsDemo | Demonstrates the various supported OCR engine's extra capabilities and how to use them |
| Ocr Twain scanning demo (Windows Forms) | <installdir>\Examples\DotNet\<CS/VB>\OcrTwainScanningDemo | Demonstrates how to scan and recognize a single or multiple page document at the same time. |
| OCR Engines | Redistributables |
|---|---|
|
See OCR files to be included with your application |
| Path | Target Platform |
|---|---|
| <installdir>\Redist\WinRT8_1\Win32 | x86 WinRT 8.1 |
| <installdir>\Redist\WinRTPhone8_1\Win32 | x86 Windows Phone 8.1 |
| <installdir>\Redist\WinRT8_1\x64 | x64 WinRT 8.1 |
| <installdir>\Redist\WinRTPhone8_1\x64 | x64 Windows Phone 8.1 |
| <installdir>\Redist\WinRT8_1\ARM | ARM WinRT 8.1 |
| <installdir>\Redist\WinRTPhone8_1\ARM | ARM Windows Phone 8.1 |
| Library | Description | Dependencies |
|---|---|---|
| Leadtools.Forms.Ocr.winmd | OCR forms library |
Leadtools.Kernel.winmd Leadtools.winmd Leadtools.Codecs.Kernel.winmd Leadtools.Codecs.winmd Leadtools.Forms.DocumentWriters.winmd
|
| Description | Path | Details |
|---|---|---|
| OCR main demo (WinRT) | <installdir>\Examples\WinRT\<CS/JS>\OcrDemo | Demonstrates all of the LEADTOOLS OCR class library features. |
| MICR demo (WinRT) | <installdir>\Examples\WinRT\<CS/JS>\MICRDemo | Performs fast and accurate Magnetic Ink Character Recognition on check book images, automatically detects and extracts MICR E-13B text, and shows the extracted MICR line fields for the read MICR code. |
| OCR Engines | Redistributables |
|---|---|
|
See OCR files to be included with your application |
| Path | Target Platform |
|---|---|
| <installdir>\Bin<Version>\Xcode\iOS | iOS |
| <installdir>\Bin<Version>\Xcode\macOS | macOS |
| Library | Description | Dependencies |
|---|---|---|
| Leadtools.Forms.Ocr.framework | OCR forms library |
Leadtools.Kernel.framework Leadtools.framework Leadtools.Codecs.Kernel.framework Leadtools.Codecs.framework |
| Description | Path | Details |
|---|---|---|
| Ocr demo (iOS / macOS) | <installdir>\Examples\Xcode\<iOS / macOS>\OcrDemo | Demonstrates all of the LEADTOOLS OCR class library features. |
| MICR demo (iOS / macOS) | <installdir>\Examples\Xcode\<iOS / macOS>\MicrDemo | Performs fast and accurate Magnetic Ink Character Recognition on check book images, automatically detects and extracts MICR E-13B text, and shows the extracted MICR line fields for the read MICR code. |
| OCR Engines | Redistributables |
|---|---|
|
See OCR files to be included with your application |
| Path | Target Platform |
|---|---|
| <installdir>\Bin\Android\x86_64 (Android) | x86_64 Android |
| <installdir>\Bin\Android\x86 (Android) | x86 Android |
| <installdir>\Bin\Android\arm64-v8a (Android) | arm64-v8a Android |
| <installdir>\Bin\Android\armeabi-v7a (Android) | armeabi-v7a Android |
| <installdir>\Bin\Android\armeabi (Android) | armeabi Android |
| <installdir>\Bin\Android\mips64 (Android) | mips64 Android |
| <installdir>\Bin\Android\mips (Android) | mips Android |
| <installdir>\Bin\CDLLVC10\Win32 (Windows) | x86 Windows |
| <installdir>\Bin\CDLLVC10\x64 (Windows) | x64 Windows |
| <installdir>\Bin\Lib\x86 (Linux) | x86 Linux |
| <installdir>\Bin\Lib\x64 (Linux) | x64 Linux |
| Library | Description | Dependencies |
|---|---|---|
| leadtools.forms.ocr.jar | OCR forms library |
leadtools.jar libleadtools.so (Android) libltkrn.so (Linux) Ltkrnu.dll (Windows x86) Ltkrnx.dll (Windows x64) leadtools.codecs.jar libleadtools.codecs.so (Android) libltfil.so (Linux) Ltfilu.dll (Windows x86) Ltfilx.dll (Windows x64) libleadtools.forms.ocr.so (Android) libltocr.so (Linux) |
| Description | Path | Details |
|---|---|---|
| Ocr demo (Android) | <installdir>\Examples\Android\OcrDemo | Demonstrates all of the LEADTOOLS OCR class library features. |
| MICR demo (Android) | <installdir>\Examples\Android\MicrDemo | Performs fast and accurate Magnetic Ink Character Recognition on check book images, automatically detects and extracts MICR E-13B text, and shows the extracted MICR line fields for the read MICR code. |
| OCR Engines | Redistributables |
|---|---|
|
See OCR files to be included with your application |
Programming with LEADTOOLS .NET OCR
An Overview of OCR Recognition Modules
Creating an OCR Engine Instance
Starting and Shutting Down the OCR Engine
OCR Spell Language Dictionaries
OCR Tutorial - Working with Pages
OCR Tutorial - Recognizing Pages
OCR Tutorial - Adding and Painting Zones
OCR Tutorial - Working with Recognition Results
OCR Tutorial - Scanning to Searchable PDF
OCR Languages and Spell Checking
Using OMR in LEADTOOLS .NET OCR
Multi-Threading with LEADTOOLS OCR