On Wed, Sep 16, 2009 at 10:46 PM, Tony S Yu <[email protected]> wrote: > > On Sep 16, 2009, at 8:22 PM, Gökhan Sever wrote: > > Hello all, > > I want to be able to count predefined simple rectangle shapes on an image > as shown like in this one: > http://img7.imageshack.us/img7/2327/particles.png > > Which is in my case to count all the blue pixels (they are ice-snow flake > shadows in reality) in one of the column. > > What is the way to automate this task, which library or technique should I > study to tackle it. > > > You should check out the ndimage subpackage in scipy. > > This tutorial should help you get started: > http://docs.scipy.org/doc/scipy/reference/tutorial/ndimage.html > The section on "segmentation and labeling" will be particularly useful for > you. > > Best, > -Tony > > <http://docs.scipy.org/doc/scipy/reference/tutorial/ndimage.html> >
Right into the eye. "Segmentation is the process of separating objects of interest from the background." Once I finish this task, I should be able to count the occurrences of the shadowed instances so that I would have an idea regarding to their sizes. -- Gökhan
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