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Application to index images/pdfs and recognise text

asked 2014-02-05 04:33:10 -0600

Derek Ekins gravatar image

Are there any apps out there that will index all the images/pdfs etc in a folder and create a searchable index from the data?

Basically I would like evernote capabilities but just on the desktop.

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answered 2014-02-05 16:48:18 -0600

davidva gravatar image

Hi, Do you want a program OCR for scan? or a simple manage of pictures, books, movies etc..?

Alexandria

image description

su 
yum -y install alexandria

Calibre

su
yum -y install calibre
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answered 2014-02-05 14:25:34 -0600

nonamedotc gravatar image

You are looking for recoll. It is a brilliant tool for indexing files - both filenames and contents. It supports a rather large number of file types.

Recoll is a personal full text search package for Linux, FreeBSD and other Unix systems. It is based on a very strong back end (Xapian), for which it provides an easy to use, feature-rich, easy administration interface.

It can be installed as yum install recoll

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answered 2014-02-05 11:56:20 -0600

$ yum search OCR

should get you started, as well as

$ yum list pdf\*

Additionally, feel free to take a look at this article from Ubuntu's pages on Optical Character Recognition (OCR):

Arguably the one producing the best (most accurate) results is Tesseract

with a list of other command-line OCR programs including gocr, cuneiform and ocrad, among others; as for the OCR programs with GUIs, there's gscan2pdf, Apache's pdfbox, pdfchain, pdfedit, pdfmod, pdfshuffler, pdftk. I'm sure Okular can be used for some of your intended actions as well.

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Asked: 2014-02-05 04:33:10 -0600

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Last updated: Feb 05 '14