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AutoCAD documents & OCR in Adobe Acrobat

  • 24-05-2010 10:41pm
    #1
    [Deleted User]
    Posts: 16,720 ✭✭✭✭


    Howdy,

    I'm looking to run the OCR process in Acrobat to read text on a couple of thousand files which are now PDF (converted by someone else in the past - don't have the original .DWGs). The problem is that the PDF is set at below 72 dpi, so the OCR won't work.

    I've had a few looks online as to what I could do, like converting the files to TIF and back again to PDF but it didn't work out. Anyone have any ideas?


Comments

  • #2
    Overheal
    Registered Users, Registered Users 2 Posts: 85,236 ✭✭✭✭Overheal


    Windows indexing tool should already pick up on OCR in PDF files.

    http://www.microsoft.com/windows/products/winfamily/desktopsearch/choose/windowssearch4.mspx

    One thing I've learned about OCR though is its far from intelligent and frankly there may not be anything you can really do to clean it up.


  • #3
    5uspect
    Moderators, Arts Moderators Posts: 10,518 Mod ✭✭✭✭5uspect


    So I presume that the pdfs are already rasterised?

    Can you post a sample?


  • #4
    [Deleted User]
    Posts: 16,720 ✭✭✭✭ [Deleted User]


    Yep. Can't unfortunately - work related.

    Found a solution by optimizing but it degrades the PDF to the extent that some of the smaller text is unreadable. Which would be helpful as the end game is to find documents (using Google Desktop or Windows Seach, ty Overheal) so the title blocks of the CAD PDF would come up, but it would confuse things somewhat by degrading the PDFs.


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