Coordinate overlap in two labelled images

[Sigmund]

Not sure if I got your point but what about turning your two arrays in in 
one 3D array. Using the label  function and find_objects on the 3D array 
should do what you want.

On Tuesday, April 2, 2013 7:04:07 PM UTC+2, Stuart Mumford wrote:
>
> Hello,
>
> I have a problem I was hoping someone here would be able to help me with!
>
> I am using your (amazingly fast) label image routines and regionprops to 
> extract the coordinates of the regions in two images. I need to filter 
> these objects out if they do not overlap in both the images, then renumber 
> all the remaining regions. At the moment I am doing something unspeakable 
> with nested loops and sets which is pretty damn slow; I was hoping someone 
> here would have a really clever idea on how to solve this. Failing that 
> does anyone know how I can find the number of coordinates (output from 
> regionprops) that overlap in two numpy arrays?
>
> Thanks a lot
> Stuart
>
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