http://www.wiersma.org/Projects/pic2text/
I tried this hunk of code out at one time and the results are what you are looking for. The problem is that this particular script translates each pixel into a colored ascii character. You would want to use Image::Magick to reduce the resolution of the picture to manageable dimensions for representation as ascii in an html page (so that you have a picture that fits into a browser window).
It seems like a good place to start.
Good luck

In reply to Re: (tye)Re: Colored ASCII Art from Pictures by Anonymous Monk
in thread Colored ASCII Art from Pictures by Chady

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