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Detect if PDF files have searchable text or not...
As far as I know, a PDF (Portable Document File - created by Adobe) file can be created by 2 different ways:
*)From a Scanner, Digital Photo Camera, or ScreenShot/Screen Capture applications, thus it is a image/picture/photo-based PDF without TEXT (no searchable text)...
*)From a document file with TEXT (has searchable text), such as Word or OpenOffice Writer...
This is very important to me because I am an eBook collector, and I use Windows Desktop Search (WDS) and Google Desktop Search (GDS) a lot!!... So, I have many, many PDF files and I need to find a way to automatically scan each PDF file and identify if each PDF has searchable text or not (if not, I will OCR it!). My final goal is have all PDF with searchable text (the original image/picture/photo-based PDF will be OCRed, after being identified and isolated, in order to get searchable text); so I can run WDS/GDS with trust... I know I cannot trust in WDS/GDS if I have a big number of image/picture/photo-based PDF without TEXT; since this files are ignored...
My question is - how to automatically detect if a PDF needs to be OCRed?
Thanks in advance!
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by: scrathcyboyPosted on 2008-06-21 at 23:45:11ID: 21839866
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