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jasonjonesjones

3D virtual & physical modeling

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The CHI website infers that RTIs can be used for "3D."

 

Obvisouly the calculated surface normals and viewers do relay 3D texture information, but have you ever seen RTI/PTM data used for 3D computer or physical models?

 

For example converting them into a conventional 3D computer model for use in CAD, animation, or other 3D computer software?

 

Thanks,

 

Jason

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Hi Jason,

 

This issue was actually covered in another topic discussion:

http://forums.culturalheritageimaging.org/index.php/topic/64-3d-conversion/

 

Bottom line is that normal data *IS* 3D data, though it isn't points in cartesian space. When you convert the normal data to a 3D surface there is an uncertainty that accumulates, so you have a warping problem. See the post for the rest of the details and links to some papers on this.

 

Carla

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