Searchable PDF - Rotate OCR Level

run 'examine document' tool (on document menu in AA8). remove hidden text. reapply OCR. report back to forum.

I don't have access to AA8, only 5 and 7, as I mentioned in the original post. Thanks anyway. Any other suggestions?

i think 'examine document' is supported in AA7. search in 'help' for 'examine'. read under heading 'examine a pdf for hidden content', then follow previous suggestion.

beyond my previous suggestions, there is another solution to the 'rotated' issue -- if you are still interested in knowing the range of possible ways to address this issue.

Much obliged rbogie. I finally had an opportunity to followup on your Acrobat 7 suggestion. I was unable to locate the information in the help file. Searching for examine returned no results. I tried some other search terms but was unable to find information similar to your description.

I searched the acrobatusers.com site again and found this:

http://www.acrobatusers.com/tutorials/cleaning-your-pdf-documents

which mentioned the examine feature in Acrobat 9 is essentially a component of the PDF Optimization process. PDF Optimization is found on the AA& Advanced menu, so I gave it a shot. There didn't appear to be any settings relevant to the issue except on the Discard Objects, which had a "Discard hidden layer content and flatten visible layers option." I reviewed the help file on this option and didn't think it would help, and when I tried it, this was confirmed. The OCR text remained.Out of curiosity I pulled up the Content navigation tab. Here, the text objects on each page were visible, along with another object called "annotations". Based on some additional review of the formums, this text can removed using the navigation tab or through the Touchup Text tool. Obviously, for a large document this would be quite a tedious process. I also read that redaction is an option, but AA7Pro doesn't have this capability.

Back to searching the forums...

And I stumbled on one of your replies to another poster...

http://www.acrobatusers.com/forums/aucbb/viewtopic.php?id=16461

...which recommended printing to image. I had tried this earlier with the Nuance software and AA5, and it was painfully slow. Having nothing to lose I tried it on AA7Pro and this worked. Anyway, to make a short story long, I've written up the final solution in a separate post and accepted it as an answer. However, there are still some loose ends. Feel free to provide additional suggestions or references to other forum posts.

1) Print document to image to remove the OCR text. (Advanced button on the print dialog)
2) Run the Document / Recognize Text as OCR command. I generated a Searchable (Compact) PDF but the other two options may work as well.


Caveats
1) Printing to image broke up the image object on each page into about 25 separate objects. This was observed on the Content navigation panel. This seems to be corrected when running the Recognize Text as OCR command; a single image object is shown in the Content navigation panel.
2) The document I was working with had a lot of Container objects. Most of the words were correct, and were searchable, but when I tried to run the Find OCR Suspects command, none of these objects were located, so I'm not sure how to correct them. Suggestions welcome.
3) The file size ballooned after each step. First from 30 to 80 MB after printing to image. Then 80 MB to 150 MB after running the OCR. Probably just needs optimization to reduce the file size.


Much thanks to forum member rbogie for his assistance in developing this solution.

another method: import the troublesome PDF to MS Office Doument Imaging (import and save as TIFF, not MDI). (MODI comes with MS office.) next, create a new PDF from the TIFF file. Then reapply OCR.

Hi,
rbogie's last post may be your best course of action as you have Acrobat 7.

It has been awhile since I'd used Acrobat 7 Pro so I looked it over.
No "Examine Document" to be found. Turns out that this is because it was introduced with Acrobat 8.
[url]http://blogs.adobe.com/acrolaw/2006/12/acrobat_8_new_e.html[/url]


fwiw, its features (in Acrobat 8 & 9) are:
Identify presence and, if desired, removal of:
Metadata, File Attachments, Annotations & Comments, Form field logic or actions, Hidden text (e.g., OCR text), Hidden layers, Bookmarks, Embedded search index, and Hidden page and image content.When you remove selected items, some other things are automatically removed as well.
Digital signatures, document information added by third-party plug-ins & applications, and special features that enable Adobe Reader to review, sign, and fill in PDF documents.Be well...

Image To PDF OCR Converter is an application based on Windows platform, which can directly convert more image formats, such as TIFF,JPG,GIF,PNG,BMP,PSD,WMF,EMF,PCX,PIC and so on,into text searchable PDF format, it supports manifold conversion ways, and automatically clear and skew-correct by adopting special technique for B/W images.


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