[ITK-users] Which iterator to use for spherical or cylindrical neighborhood

Hi all,

I have point annotations in images which can be a little bit 'off center',
a solution would be to find the maximum in a spherical or cylindrical
region. For instance, if I have annotation, (a,b, c) I would want (x - a)^2
+ (y - b)^2 <= some radius and |z - c| < height or  (x - a)^2 + (y - b)^2
 + (z - c)^2 <= some radius.

I know I can use MinimumMaximumFilter for this, but how do I find this in
the requested neighborhood?

Best,
Jonas Teuwen

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