SGVsbG8sCgpJIGFtIGEgcGFydCBvZiBhIHByb2plY3QgZ3JvdXAgYXQgTGVzIEdvYmVsaW5zCiho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Sounds like a very interesting problem.

Do you have more details on how the bowl looks like, what kind of
movement to expect, which hardware you have available for tracking, etc?

Daniel


Michael Ortali wrote:
> Hello,
>
> I am a part of a project group at Les Gobelins
> (http://www.gobelins.fr) and we have for the end of june to create an
> interactive project. We choose the subject : augmented reality.
>
> In our project, we want to use a bowl. We tried to track it without
> success. Markers doesn't seem to be the best solution or probably we
> don't know how to "put them on the sphere".
>
> If you have any ideas about how we can track a sphere (position in the
> space but also the rotation), we might appreciate a lot your precious
> help.
>
> Thanks a lot for your advices,
> Have a nice day,
>
> Michael
>
>   

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