I guess that depends on the hardware available to you. Any printer with a built-in scanner should be able to get an image clear enough for text recognition. I haven't been to a library in a minute, but they almost always have copy machines, and I would expect that nowadays most of them are hooked up to a computer to scan images into digital copies, instead of just printing them out.
Text recognition software is really good nowadays, it will work on almost any scanned image. I haven't done this in a while, so I can't recommend any specific sites or programs where you can upload PDFs that are text searchable, but I know they're out there.
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I'll give you plenty of tips as soon as you explain what crisp ocr means
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I guess that depends on the hardware available to you. Any printer with a built-in scanner should be able to get an image clear enough for text recognition. I haven't been to a library in a minute, but they almost always have copy machines, and I would expect that nowadays most of them are hooked up to a computer to scan images into digital copies, instead of just printing them out.
Text recognition software is really good nowadays, it will work on almost any scanned image. I haven't done this in a while, so I can't recommend any specific sites or programs where you can upload PDFs that are text searchable, but I know they're out there.
I might be able to hook you up if you can tell me specific books you need. No promises, though
Your school should be able to get a good number of textbooks in ebook form through their library. If not, find a friend at a larger institution.