[Insight-users] Confused about pixel Spacing

[Cory Quammen]

Auron,

The units you choose for pixel spacing (meters or micrometers) do not
matter. It only matters that you are consistent in what unit you use
to set the spacing for both the fixed and moving images.

Hope that helps,
Cory

On Wed, Nov 11, 2009 at 12:58 PM, Auron Ford Huton <auron at hotmail.es> wrote:
> Hello ITK!!
>
> I am working in microscopy image registration and I doubt how to express my
> pixel spacing (I think all my problems came from that...). I know that my
> pixel spacing is about 2.83 micrometres (0.00283mm).
> I am using .raw image so I used a .mhd to acces them... What of the
> following lines I should use to set my spacing?
>
> ElementSpacing = 0.00283 0.00283
>
> or
>
> ElementSpacing = 2.83 2.83
>
>
> Thank you in advance.
>
> Auron.
>
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-- 
Cory Quammen
Center for Computer Integrated Systems for Microscopy and Manipulation (CISMM)
Department of Computer Science
University of North Carolina at Chapel Hill
http://www.cs.unc.edu/~cquammen