I can view a pdf image with text using the evince document viewer, however I cannot select the text in the image to copy and paste. How do I copy text from an image in a pdf file?
OCR (Optical Character Recognition) to be able to extract text from images. If you
Google OCR you'll find plenty of online
OCR software that tries to extract text from images. I've personally never used one so hard to say how successful they are. You'll note that some of them take image files as an input in which case you'll have to convert the
If you're more technically inclined, there's a
pytesser which may be helpful.
Capture2Text is an open source tool which performs OCR on a
screenshot and outputs the result to the clipboard so it almost feels like you're copying the text from the image. This is probably your best bet.
Unless you can get some sort of OCR to work, as suggested by Harvinder, you are out of luck. If it's an image in a PDF, it's no different than being an image in a JPEG or PNG or any other image.
Even if you find an OCR package that works for you, you might get very poor results. I've spent more time editing OCR'd PDF's than it would have taken to just re-type the text.