[Homer-users] SD question

[Hörmetjan Yiltiz]

That should be most useful when imported to the AtlasViewer so that you can
actually locate your probe to the skull.

祝好，
========================
He who is worthy to receive his days and nights is worthy to receive* all
else* from you (and me).
                                                 The Prophet, Gibran Kahlil


On Tue, Mar 3, 2015 at 3:56 PM, Wijeakumar, Sobanawartiny <
sobanawartiny-wijeakumar at uiowa.edu> wrote:

>  Hi all
>
>  We are looking to fix the source and detector positions  of our SD
> matrix (rough 2D geometry - z dimension with all zeros created using SDGui)
> in our fNIRS files with actual measurements from our digitized points
> obtained from our Polhemus system (x,y and z dimensions - but in mm). I
> replaced the values in the SourcPos and DetPos arrays and ran through our
> processing stream. It worked without errors and I obtained similar block
> average waveforms as before fixing it , but the units are much smaller.
>
>  Has anyone attempted to do this and had the same experience? Also,
> should I be changing anything else in the SD structure or any other matrix?
> Are there any other things I should be accounting for when I introduce 3D
> measurements into the calculations?
>
>  Any thoughts/suggestions/comments would be welcome and appreciated.
>
>  Thanks!
>
>  S
>
>
>
>
>   Sobana Wijeakumar, PhD    B-Eng
>  Postdoctoral Research Scholar
>
>   E1 Seashore Hall
>  Department of Psychology
>  University of Iowa
>  Iowa City, IA 52242
>
>
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