When the bit-map of a character's image is recognized that is replaced with a font (character glyph is seen as it has fill and stroke applied). #3 ClearScan - Introduced a few versions back. So, the original image out of the scanner maintains its integrity and the OCR output supports find / search. Typically this is what a FedGov agency requires if submitting a scanned image of text. Thus, an altered image rather than the exact image as provided by the scanner.Ĭonsequently, #1 is typically not acceptable to a FedGov agency (or any entity with an interest in a document of record having the proper "provenance"). This method also dresses up the image a wee bit. #1 - Provides an OCR output whose glyphs have no stroke or fill - so, "invisible" or "hidden". Here's a breakdown of the options when performing an OCR for future reference: agency), or perform a "Reduce Document Size" after the OCR process. IF you have lots of images and wish to cut the size of a document, then you can either use Clear Scan (unless you're a govt. Plus, since you had Exact Scan as the setting, it displays the scan of the words as opposed to an overlay of the text, which is what you get from Clear Scan. And, I slapped my head as I should have noticed that.ĭuring the initial scan, if you set Acrobat to Optimize image, it will decrease the quality of an image.
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