[vtkusers] Wrong ICP result : the volumes are opposed

David Doria daviddoria at gmail.com
Wed Mar 25 09:03:11 EDT 2009

ICP only guarantees a local optimum, that is, if you start in a very bad
initial relative pose, you will not find the "correct" (ie. global) solution
you are looking for. You need to use another technique (ie. spin images) to
initialize the ICP.



On Wed, Mar 25, 2009 at 9:00 AM, Nour Mestiri <nourmestiri at yahoo.fr> wrote:

> Hi all vtk users.
> I'm trying to make the registration of two 3D volumes using ICP. My problem
> is that, at their origianl positions, the volumes are opposed, so the result
> of ICP is wrong : i have 2 opposed volumes placed at the same refernce.
> Can you tell me how to reverse one of the 2 volumes to have a correct
> result? It's an emergency.
> Thank you
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