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 Technical Notes |
- Programming environments: Win32 visual development environments including Vista (see "Pegasus Imaging Toolkits and the Windows Vista Environment" technical bulletin)
- Sample code is included for: VB.NET, Visual C#, Delphi .NET, VB, VC++
- Deploys within .NET as a managed control (see "Building Robust Imaging Components for the Microsoft .NET Platform" white paper)
- Use ScanFix Xpress Activities for Windows Workflow Foundation (WF) in your own workflow applications or applications which host the WF runtime such as MOSS (Sharepoint) using Visual Studio 2005 or higher.
- Can be used in any development environment that hosts ActiveX/COM controls
- Confidence values are available for many operations
- User configurable debug settings to control level of detail
- Free trial version available for immediate download
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| Image Input, Image Output, and Image Handling |
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| Deskew |
- Automatically straighten crooked images and report correction angle
- Deskew images in a fraction of a second
- Uses content of the images, not just the document
- User configurable High Quality vs. High Speed setting
- High Quality sets a higher number of places to check around the image, ultimately providing the highest level of deskew accuracy, but the image processing speed is slower
- High Speed sets a lower number of places to check around the image, ultimately providing the fastest image processing speed, but offers a slightly lower level of accuracy
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| Noise Removal |
- Remove random specks or noise from images
- Configurable user specification of speck size, or use automatic settings
- Special Isolated Despeckle algorithm prevents removal of desired dots such as punctuation
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| Dot Shading Removal |
- Automatically remove dot shading surrounding text for improved OCR accuracy
- Remove scanner noise caused by colored backgrounds (gray, blue, etc.)
- Reduce files sizes caused by additional pixels, without destroying text
DOT SHADING REMOVAL
 
BEFORE (file size: 157k) AFTER (file size:16k)
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| Hole Punch & Blob Removal |
- Remove hole punches and larger areas of black
- User configurable threshold settings
- Specify full page or a specific area of interest
- Reduce file sizes and storage requirements with cleaner pages
- Return count of objects found
HOLE PUNCH REMOVAL
 
BEFOREAFTER
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| Line Removal |
- Automatically remove solid or broken lines (both horizontal and vertical) from scanned forms and documents
- Automatically repair text that intersects with lines (fill broken characters), essential for forms processing
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| Comb Removal (commonly used in ICR forms) |
- Automatically remove data entry combs from forms
- Automatically repair text that intersects with lines (fill broken characters), essential for forms processing
COMB REMOVAL
 
BEFOREAFTER
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| Character Completion & Smoothing |
- Repair, smooth and thicken incomplete characters
- Repair broken or incomplete characters to create complete characters
- Especially good on poor dot matrix text
- Smoothes ragged edges on letters
- Thickens or thins letters as needed
ENHANCED CHARACTERS
 
BEFORE AFTER
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| Auto Inverse Text Correction |
- Detect and automatically convert inverted text zones
- Change white-on-black text to normal black-on-white
- Recognize inverse zones in any shape, including circular
- Remove the fill color of text
- Reduce file sizes by eliminating unnecessary black pixels
INVERSE TEXT CORRECTION
 
BEFOREAFTER
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| Auto Negate |
- Automated reporting of black on white (normal) or white on black (negative) images
- Automated correction (user configurable to simply report or to automatically correct)
- Creates black on white images, which are often required for many other ScanFix image processing actions
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| Auto Binarize |
- Automatically convert grayscale and color images to black and white, and clean up noisy images
- Optimize binarization results using the user configurable options
IMAGE BINARIZATION
 
BEFOREAFTER
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| Auto Border Crop |
- Automatically convert black borders to white
- Reduce image file size (both physical dimensions and compressed file size)
- Automated border crop (user configurable to simply report or to automatically correct)
- Use on microfilm or small document images that have been overscanned
BITONAL IMAGE CROPPING
 
BEFORE (file size: 100k)AFTER (file size: 15k)
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| Image Registration |
- Register the image “contents” to be a specified distance from the top and/or left side of the page (for example, specify to put the text ½ inch from the top and/or ½ inch from the left side of the image edge)
- Use with zonal recognition to establish the position of the text relative to the edge of the image, to establish the expected location of a zone
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| Blank Page / Blank Rectangle Detection |
- Identify and report blank pages, or blank areas of interest
- Configure settings to accommodate bleed-through or noisy images (i.e. ignore hole punches)
- Reduce file sizes and storage requirements by eliminating blank pages
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| Sub-Image Processing |
- Separate out an area from the original document image prior to image processing
- Speeds up processing and outputs only the smaller area of interest
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| Additional Image Processing |
- Flip
- Mirror
- Rotate
- Smooth-Zoom
- Scale
- Set Resolution
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| FormAssist Sample Application with Source Code |
- Quickly evaluate Pegasus Imaging’s forms processing technology, including:
- Form identification (FormFix)
- Form dropout (FormFix)
- Zonal OCR (SmartZone)
- OMR mark recognition for check-boxes and bubbles (FormFix)
- Image display and editing (ImagXpress)
- Image cleanup (ScanFix Xpress)
- Use FormAssist source code as a foundation for developing your production forms processing application:
- Modular source code facilitates rapid development of form setup and forms processing solutions
- Illustrates best practice for integration of Pegasus components and example workflow
- Included in the FormSuite .NET toolkit download as C# source code
- Quickly set up forms and processing instructions
- Create, save, and manage form sets
- Add form templates to form sets
- Set up and add recognition fields to form templates
- Configure properties for image cleanup, OCR, ICR, OMR, and processing
- Process filled images to optimize settings for OCR, ICR,OMR, and form identification
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Please Note: Color and grayscale support currently found within Prizm IP is planned for a future release of ScanFix Xpress, to be called ScanFix Xpress Spectrum.
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