Acrobat 7 OCR scanning

I'm using Acrobat Pro 7.1.0 with Windows XP Pro and have an HP Officejet 6310 scanner. "File/Create PDF/From scanner" does not list the HP scanner. Is it possible to use these together to create searchable PDFs from documents auto-fed or placed on the glass of the HP scanner?

Try updating the HP's drivers. Be sure they include TWAIN drivers.
Be well...

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  • Acrobat 9 OCR issues

    I am trying to make several hundred pages worth of PDF documents searchable.  I have tried everything I can think of with the OCR recognition, and cannot figure out a way to display and edit OCR suspects.  No matter which format I try and perform OCR recognition in (Searchable Image, Searchable Image (Exact), or ClearScan), I am told there are no OCR suspects.  However, when I copy and paste the text to a Word document, there are obviously errors.  From what I understand, Find OCR Suspects is only supposed to work with ClearScan, but it doesn't.  In addition, it seems that even if it did work, trying to correct the errors using the TouchUp Text tool won't work anyway, because the program converts everything to custom fonts, and it wants a system font available in order to edit.  I cannot figure out how to convert this text to a system font to make edits.
    To sum up, here are my issues:
    1. Why are OCR suspects not displayed when OCR recognition is performed?
    2. How is it possible to fix errors in ClearScan if a system font is required?
    3. How does one convert the ClearScan document to a system font so edits can be made?
    4. What is the point of performing OCR on a document if one cannot go in and fix errors so the file can be searched and indexed properly?  As I said, I have hundreds of pages of scanned documents that need to be made searchable.
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    Hi,
    When using Searchable Image (Exact) or Searchable Image there will be no "suspects".
    "Suspects" is not a functionality associated with either; rather it is exclusive to
    Formatted Text & Graphics (Acrobat 8 & earlier) or ClearScan (Acrobat 9).
    Keep in mind that use of OCR (from any software house) does not assure 100% rendering
    let alone 100% fidelity of whatever is rendered.
    If that is needed then it is time to open the authoring application and  created an authoring file
    that holds the content. Output this to native PDF.
    When Formatted Text & Graphics or ClearScan is used if there are characters that are not recognized
    then these are left as raster images. These will not "copy-paste" to a text editor anymore that a jpeg would.
    A number of variables dictate/control how successful any OCR is. Some are -
    --| effective resolution of (both horizontally and vertically) - impacts fidelity and accuracy
    --| quality of source paper (a simple fold line of otherwise "good" paper can leave a wide band void of OCR output)
    --| scanner software
    --| scanner lamp (quality/intensity)
    --| scanner cleanliness/maintenance
    On to the "point" of OCR --
    Actually, it is *not* to provide a simple, low resource demand, mechanism to development of digital content that can under go
    editing-formatting-layout changes. Never has been.
    OCR/ICR, etc. primary functionality has been/is to provide a find/search capability.
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    Once in PDF OCR (searchable image (exact)) provides high fidelity/accuracy.
    From this, catalog indices may be developed.
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    Changing ClearScan font.
    Content selected, you need to get into the Properties dialog of the TouchUp Text Tool.
    There, go to the Text tab. Adjust settings to pull from available fonts on local machine.
    Expect to to this one PDF page at a time.
    Be well...

  • Acrobat XI ocr: access hidden layer?

    Hi all,
    I have historic documents (German and English) that I want to OCR so that the text is searchable *without* changing its appearance. I've tried with previous versions of Acrobat where it did not quite work and thought I give Acrobat XI (Windows 7) a try.
    I use "searchable image" in the correct language ("Clearscan" and "exact" are not useful here). The ocr'ed text is in a hidden layer. Since an old-fashioned font is used, the ocr result is expectedly faulty. So I need to correct those results which is where the problems arise. The little sub-menu allows me to look for "problem areas" which are then marked in red. The individual entries can then be corrected one by one. However, these changes do not always seem to be transferred to the hidden layer. This is evident either from trying a search for the term (ctrl f), or exporting to Word. Both yield the original, not the corrected, ocr result.
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    What you're asking for is not currently possible with the native tools in the Acrobat Family, but could be done with plugins.
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  • Acrobat 9 OCR problems

         Although this already had a discussion, the replies there didn't solve my problems. OCR in 9 crashes almost all the time and I have applied all the updates available to date. Version 8 works fine but I already upgraded most computers to 9 thinking it would better (my bad). The slowest computer with less RAM but version 8 goes along fine, never a problem; four other faster computers with average of 2 GB of RAM but with V9 installed never complete a batch process OCR (settings are as close to the V8 version as possible) without crashing.
         The last discussion ended with the suggestion of installing latest updates; has this worked for anyone? Ongoing projects require use of mutliple computers to complete OCR; ready to uninstall 9 from all computers and try to find V8 to use.
         If anyone has any other suggestions, please post. Thanks for your time.

    So why start another posting instead of adding to the old one ?! Think of the people searching for an answer at a later date. Multiple threads confuse not help.
    Always, always before asking for tech support ensure that you have the latest Operating System updates and Adobe product updates for the specific product you're having trouble with. No one wants to spend tme helping someone when they might not have installed all the latest updates, (which may have fixed the problem in the 1st place). That has to be assumed that the questioner has already done. So don't ask about applying just do it (to answer your question about the updates).
    In terms of number it's quite possible you're maxing out your system RAM. It's not uncommon to require 5x the size of the scanned image in memory for each page when processing. That can add up fast for complex pages when OCRing. Acrobat 9 probably uses more memory, but in the end it optimizes  better than version 8.

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