[Insight-users] "Geodesic" distance on a binary image?

[Dan Mueller]

Hi David,

Does the following Insight Journal article help?
    http://www.insight-journal.org/browse/publication/213

Cheers, Dan

On 15 February 2011 13:26, David Doria <daviddoria at gmail.com> wrote:
> I have an image consisting of a black background and white foreground
> pixels. I want to know the shortest distance from one white pixel to another
> white pixel on a path constrained to only touch white pixels.
> As an example, if the image is of the outline of a circle, the distance from
> a point on the circle to a point directly across the diameter should be half
> of the circumference, rather than the diameter.
>
> Is there something built in to do this?
> Thanks,
>
> David