To OCR your PDF, you can click on the 'OCR Text Recognition' button under 'Tool' menu. You will be prompted to perform OCR. Click on 'Perform OCR' and select the pages you want to apply this to, as well as your preferred language. Once you've done this, select 'ok'. When the scanned PDF is opened, the program will detect it and remind you to perform OCR. After clicking on the 'Perform OCR' button, a pop up window will appear. Here you will be required to select an OCR language that matches with your PDF content. Software setup file is standalone and compatible with windows 32 bit and 64 bit. General Overview of Free OCR 5.4.1 Recognition of text from images and pdf files has always been a difficult task but Free OCR has made it functional in simple way.
This comparison of optical character recognition software includes:
- OCR engines, that do the actual character identification
- Layout analysis software, that divide scanned documents into zones suitable for OCR
- Graphical interfaces to one or more OCR engines
- Software development kits that are used to add OCR capabilities to other software (e.g. forms processing applications, document imaging management systems, e-discovery systems, records management solutions)
Ocr Software Deutsch Kostenlos Mac Os X
Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Google Drive OCR or Google Cloud Vision | 2015 | Proprietary | Yes | Browser | Browser | Browser | Unknown | Unknown | Yes | 200+ | All fonts | text | Google blog post [1][2] | ||
Tesseract | 1985 | 4.1.1 | 2019 | Apache | No | Yes | Yes | Yes | Yes | C++, C | Yes | 100+[3] | Any printed font | Text, ALTO, hOCR,[4] PDF, others with different user interfaces[5] or the API | Created by Hewlett-Packard; under further development by Google[6] |
ABBYY FineReader | 1989 | 15 | 2019 | Proprietary | Yes | Yes | Yes | Yes | Yes | C/C++ | Yes | 192[7] | All fonts | DOC, DOCX, XLS, XLSX, PPTX, RTF, PDF, HTML, CSV, TXT, ODT, DjVu, EPUB, FB2[8] | ABBYY also supplies SDKs for embedded and mobile devices. Professional, Corporate and Site License Editions for Windows, Express Edition for Mac.[9] |
E-aksharayan | 2010 | Yes | No | Yes | No | 14 | RTF, TXT, BRL | ||||||||
Asprise OCR SDK | 1998 | 15 | 2015 | Proprietary | Yes | Yes | Yes | Yes | Yes | Java, C#,VB.NET, C/C++/Delphi | Yes | 20+[10] | ? | Plain text, searchable PDF, XML[11] | Java, C#, VB.NET, C/C++/Delphi SDKs for OCR and Barcode recognition on Windows, Linux, Mac OS X and Unix.[12] |
AnyDoc Software | 1989 | ? | ? | Proprietary | No | Yes | No | No | No | VBScript | ? | ? | ? | Works with structured, semi-structured, and unstructured documents. | |
CuneiForm | 1996 | 1.1 | 2011-04-19 | BSD variant | No | Yes | Yes | Yes | Yes | C/C++ | Yes | 28 | Any printed font | HTML, hOCR, native, RTF, TeX, TXT[13] | Enterprise-class system, can save text formatting and recognizes complicated tables of any structure |
Dynamsoft OCR SDK | 2003 | 8.2 | 2012 | Proprietary | Yes | Yes | No | No | No | C/C++ | Yes | 40+[14] | ? | PDF, TXT | |
OmniPage | 1970s | 19.2 | 2015 | Proprietary | Yes | Yes | Yes | Yes | No | C/C++, C#[15] | Yes | 125[16] | Machine and handprinted fonts | DOC/DOCX XLS/XLSX PPTX RTF PDF PDF/A Searchable PDF HTML Text XML ePUB MP3 | Product of Nuance Communications |
Microsoft Office OneNote 2007 | 2011 | ? | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | ||
GOCR | 2000 | 0.52[17] | 2018-10-15 | GPL | Yes[18] | Yes | Yes | Yes | Yes | C | ? | 20+ | ? | ||
Ocrad | ? | 0.26[19] | 2017-03-31 | GPL | Yes | No | Yes | Yes | Yes | C++ | Yes | Latin alphabet | ? | Command line | |
SmartScore | 1991 | 10.5.8 | 2015-07 | Proprietary | No | Yes | Yes | No | No | ? | ? | ? | ? | For musical scores | |
Microsoft Office Document Imaging | ? | Office 2007 | 2007 | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | Uses OmniPage[citation needed] | |
Puma.NET | ? | ? | 2009-10-29 | BSD | No | Yes | No | No | No | C# | Yes | 28 | Any printed font | .NET OCR SDK based on Cognitive Technologies' CuneiForm recognition engine. Wraps Puma COM server and provides simplified API for .NET applications | |
ReadSoft | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | Scan, capture and classify business documents such as invoices, forms and purchase orders integrated with business processes. | |
Scantron | ? | ? | ? | Proprietary | No | Yes | No | No | No | ? | ? | ? | ? | For working with localized interfaces, corresponding language support is required. | |
OCRFeeder | 2009-03 | 0.8.1 | 2014-12-22 | GPL | No | No | No | Yes | No | Python | ? | ? | ? | Features a full user interface and has a command-line tool for automatic operations. Has its own segmentation algorithm but uses system-wide OCR engines like Tesseract or Ocrad | |
OCRopus | 2007 | 1.3.3 | 2017-12-16 | Apache | No | No | Yes | Yes | Yes | Python | ? | All languages using Latin script (other languages can be trained) | Normal Latin script and Fraktur (other scripts can be trained) | TXT, hOCR[20], PDF[21] | Pluggable framework under active development, used for Google Books |
OCRvision | 2019 | Yes | No | No | No | 90+ | Searchable PDF | ||||||||
Name | Founded year | Latest stable version | Release year | License | Online | Windows | Mac OS X | Linux | BSD | Programming language | SDK? | Languages | Fonts | Output Formats | Notes |
Apple Ocr Software
Evaluation[edit]
An 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.[22]
References[edit]
- ^Dmitriy Genzel; Ashok Popat (May 6, 2015). 'Paper to Digital in 200+ languages'.
- ^Ashok Popat (Sep 4, 2015). 'IEEE SPS: Optical Character Recognition for Most of the World's Languages'.
- ^Based on count of language training files for version 3.04. Available at the download page.
- ^Usage explained in the Tesseract Readme and FAQ
- ^Such as ODF with OCRFeeder
- ^'GitHub - tesseract-ocr/tesseract: Tesseract Open Source OCR Engine (main repository)'. Retrieved 2018-11-05.
- ^'ABBYY FineReader 14: Technical Specifications'. Finereader.abbyy.com. Retrieved 2017-02-23.
- ^'ABBYY FineReader 11: Technical Specifications'. Finereader.abbyy.com. Retrieved 2013-09-12.
- ^'Top OCR Software'. Ocrworld.com. 2010-03-30. Retrieved 2013-09-12.
- ^'Asprise OCR SDK Features'. asprise.com. Retrieved 2014-06-21.
- ^'Asprise Java OCR Library Features'. asprise.com. Retrieved 2014-06-21.
- ^'Asprise Java, C#/VB.NET OCR API'. asprise.com. 2015-11-19. Retrieved 2015-11-19.
- ^Debian manual page for Cuneiform for Linux version 1.1.0
- ^'OCR SDK Language Packages Download'. Dynamsoft.com. Retrieved 2013-09-12.
- ^'OmniPage CSDK - OCR Document Capture Toolkit | Document Imaging & OCR'. Nuance. Archived from the original on 2010-08-24. Retrieved 2013-09-12.
- ^'OmniPage Standard Document Conversion'. Nuance. Archived from the original on 2014-03-13. Retrieved 2014-02-25.
- ^'GOCR Homepage'. wasd.urz.uni-magdeburg.de. Retrieved 2018-10-17.
- ^'GOCR'. Jocr.sourceforge.net. Retrieved 2013-09-12.
- ^Diaz, Antonio (2015-04-16). 'GNU Ocrad 0.26 released' (Mailing list). info-gnu.
- ^OCRopus includes the ocropus-hocr tool which produces hOCR from the recognition results.
- ^In combination with the hocr-tools
- ^Assefi, Mehdi (2016-12-01). 'OCR as a Service: An Experimental Evaluation of Google Docs OCR, Tesseract, ABBYY FineReader, and Transym'. Research gate. Retrieved 2019-01-31.
Ocr Software For Mac Os X
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