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PDF-XChange Viewer: Freeware viewer with free OCR, supports FDF/XFDF import/export, saving filled forms, extended markup and export to image capabilities. Qiqqa : Freeware PDF reader, indexer, tagger and annotator.
A 2016 analysis of the accuracy and reliability of the OCR packages Google Docs OCR, Tesseract, ABBYY FineReader, and Transym, employing a dataset including 1227 images from 15 different categories concluded Google Docs OCR and ABBYY to be performing better than others.
Tesseract is an optical character recognition engine for various operating systems. [5] It is free software, released under the Apache License. [1] [6] [7] Originally developed by Hewlett-Packard as proprietary software in the 1980s, it was released as open source in 2005 and development was sponsored by Google in 2006.
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
Soda View/3D is a free PDF application users can use to open, view, and create PDF files. ... Soda PDF Professional 2011 with OCR: May 2011: New features include ...
Change PDF information (author, title, etc.) Compress and shrink PDF files; Add a watermark or stamp a PDF file; Combine pages with a digital paper; Convert to and from PDF; Multiple PDF printers for different purposes since 7.7.0; Full featured and lightweight PDF reader since version 8.7.0; Tesseract OCR engine since version 8.8.0
It can use virtually any command-line OCR engine as back-end and features auto-detection and auto-configuration for all popular free engines. OCR back-ends may be either auto-configured, the necessary command line entered in a GUI dialogue or configured directly via a XML file. Scan image post-processing including de-skewing can be done. [10]
Ocrad is an optical character recognition program and part of the GNU Project.It is free software licensed under the GNU GPL.. Based on a feature extraction method, it reads images in portable pixmap formats known as Portable anymap and produces text in byte (8-bit) or UTF-8 formats.