Deskew

Deskew is a tool for auto-straightening or deskewing scanned text documents. Deskew detects the orientation of text lines in the image. It rotates the image so the...

Free
Open Source
Mac OS X
Windows
Linux

deskew is a tool for batch deskewing (autostraightening) scanned text documents. deskewing is a term used for fixing the scans to get the lines of text straight. that means rotating the image of the scanned page to compensate for the misalignment of the paper in the scanner.

deskew uses hough transform to detect “text lines” in the image and their orientation. as an output, you get an image rotated so that the detected lines are horizontal.

at the moment, deskew is a command line tool for windows, linux, and mac. as at november 2016, it is at version 1.20, with development still continuing. source code is at bitbucket as "appdeskew". it is maintained by the developer, marek mauder.

supported file formats input: bmp, jpg, png, jng, gif, dds, tga, pbm, pgm, ppm, pam, pfm, psd, tif output: bmp, jpg, png, jng, gif, dds, tga, pgm, ppm, pam, pfm, psd, tif

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The Best 3 Deskew Alternatives

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ScanTailor

Scan Tailor is an interactive post-processing tool for scanned pages. It performs operations such as page splitting, deskewing, adding/removing borders, and others.

Free Open Source Windows Linux
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DocScan

When you need a digital copy of some paper document to send out, but there is no flatbed scanner nearby, it can help you! With DocScan, scanning and sending a...

Free iPhone iPad

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Deskew

Links to official Deskew sites

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The Best 3 Deskew Alternatives

ScanTailor

DocScan

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