New answers tagged screen-capture
It sounds like what you're looking for is a virtual DirectShow video capture device that takes a screengrab as input. Try this one: http://www.umediaserver.net/umediaserver/download.html If that doesn't work for you, this might be helpful: http://betterlogic.com/roger/2010/07/list-of-available-directshow-screen-capture-filters/
Greenshot has a feature like that, but you need to have Microsoft Office installed. Take a screenshot of the desired area (using the Print Screen key). In the resulting menu, select OCR. The resulting text will end up in your clipboard. As an example, here's the result of me trying it on your post: Sometimes. I find myself typing out a lot of text ...
Yes Nuance Omnipage currently in version 19 (ultimate). The only bad news is it use files. So you would have to screen capture to a file first.
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