扫描文件清理工具包，用于彩色、灰度和黑白图像的清理，改进内容识别的精准度等。
ScanFix® Xpress是一款.NET 和 ActiveX/COM的软件开发工具箱，它提供了强大的黑白图像增强技术。ScanFix® Xpress可以创建体积更小更简洁的图像，提高OCR识别速度。ScanFix® Xpress提供了多种图像清理的方法：使用deskew、去噪、消除小斑点、消除冲孔、线撤除、文本修复、自动文本反白校正、自动求反、自动二进制转换、自动边框裁减、空白页检测和旋转。ScanFix包含有ImagXpress专业版。
ScanFix® Xpress is delivered as a .NET and ActiveX/COM software development toolkit, offering powerful bitonal document image enhancement technology. Create smaller file sizes and cleaner images, ultimately resulting in higher OCR rates. Clean up images using deskew, noise removal, dot shading removal, hole punch removal, line removal, text repair, auto inverse text correction, auto negate, auto binarization, auto border crop, blank page detection, and rotate. ScanFix includes ImagXpress Professional.
Technical Notes
- Programming environments: Win32 visual development environments
- 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)
- 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 full-featured trial version available for immediate download
Image Input, Image Output, and Image Handling
- Provided through the included ImagXpress Professional .NET component and ActiveX/COM control (Read the Full ImagXpress Professional v7 Product Description)
- Features include image viewing, compression, conversion, TWAIN scanning, annotation, printing, image processing, and more
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
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
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
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
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
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
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
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
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
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
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
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
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
Reporting of Process Results
- Reports the location of lines, shaded regions and inverse text regions for forms recognition
- Useful in forms processing solutions for form identification and registration
Additional Image Processing
- Flip
- Mirror
- Rotate
- Smooth-Zoom
- Scale
- Set Resolution
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