Library used to deskew a scanned document

Detect and fix skew in images containing text

Sane command-line scan-to-pdf script on Linux with OCR and deskew support

ICIP 2022: Adaptive Radial Projection on Fourier Magnitude Spectrum for Document Image Skew Estimation

Automatically extract documents from images and perspectively correct them with classic computer-vision algorithms. In maintenance mode. Check out its successor at:

Tutorial on how to deskew (straighten) text images

ros1 package for 2d laser deskew using tf.

Correct Skewed pdf documents using Hough Line Transform and Fourier Transform

Yet Another Scan Wizard

An advanced image processing library

Deskew and rotate your scanned documents

MNIST Handwritten Digits Classification using 3 Layer Neural Net 98.7% Accuracy

Skew detection in scanned images

Tool to trim and deskew scanned images.

Scan Tailor is an interactive post-processing tool for scanned pages.

Remove bias from a Bernoulli process in a streaming fashion.

Pre-Recognition Library.

A deskew plug-in for GIMP

Image Auto-Deskew - TIFF & JPEG Format

NeuroScan-AI is an advanced document-understanding engine built with modern computer vision and OCR pipelines. It performs smart perspective correction, illumination normalization, and adaptive enhancement to transform raw camera captures into clean, searchable, professional-grade documents.