[Sidefx-houdini-list] Surface from image stack

Andy Nicholas andy at andynicholas.com
Thu Feb 11 17:08:57 EST 2010


One more idea for you... once you've done the trace/stamp stuff someone
else mentioned, you could convert the closed curves to surfaces, scatter
lots of points across them, and use the Particle Fluid Surface SOP to
generate the mesh.



> I have a stack of black and white images that consist of a set of
> disconnected circle like shapes. First, how do you extract the boundary
> curve(s) and pass them to a SOP?
>
> Second, given a set of these extracted curves, I need to join them into a
> surface (assume some fixed offset between the curves). The problem is that
> in some cases I'll have two curves on one level and 1 curve on the next
> level (the actual data is bifurcating somewhere in between the levels).
>
> The application is reconstructing neurons from a set of electron
> microscopy
> images.
>
> Any help is appreciated.
>
> Mark
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