[Image-SIG] Digitizing graphs (was Welcome...)

[Allen.Windhorn at emerson.com]

Chris,

-----Original Message-----
From: Chris Mitchell [mailto:chris.mit7 at gmail.com] 

> Your grid lines are in a repeating array, so first identify them.
> It should be easy because they are all parallel straight lines. 
> Set the grid to zero to solve that problem then look for your data
> lines.

That sounds promising -- some kind of a spatial filter that selects
repetitive features (2D wavelet transforms?).  Unfortunately I'm a
total newbie w.r.t. image processing, but I'll try searching for
something like that.  Thanks.

Regards,
Allen