[magick-users] extracting text area from image
Ron Savage
ron at savage.net.au
Sun Jun 10 16:47:50 PDT 2007
Alexandru Ciobanu wrote:
Hi Alexandru
> I am trying to use ImageMagick to extract strictly
> the text area from a photograph of a book page.
Do you mean
(1) extract an image which is the same size as the text area, or
(2) extract the text letter-by-letter
The latter is called Optical Character Recognition, and I do not know of
any such feature within IM.
> If you look at the image attached, I am interested in the
> green area and, if possible, the red area.
No image attached. Please upload to your web site.
> The problem is that it has to be automated and work
> for books of various sizes.
Sure.
> My idea so far, is:
> apply a really crazy filter that would transform the
> green area into o big uniform blob, so that I can
> then extract its coordinates, and then use those
> on the original image.
Sounds reasonable, but also sounds like (1) above.
--
Ron Savage
ron at savage.net.au
http://savage.net.au/
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