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Author: ziad (---.nimh.nih.gov)
Date: 10-27-09 14:28
Blessy Mathew wrote:
>
> I just started to use @auto_tlrc to talaraich my data sets and
> have noticed the following:firstly, the vertical line though
> the posterior of the AC is off by 3mm from the center in the
> talaraiched output (when you manually talaraich the VCA ends up
> at 0,0,0).
That is possible, nothing in the automated approach attempts to make VCA at 0, 0, 0 and
Secondly, the angle of the CA-CP line is off i.e.
> it does not pass though the superior of the AC, and the
> inferior of the PC.
Same thing.
On looking at the base template (TT_N27)
> that I am using, these discrepancies are seen in the template
> too. Is there any other template that is available that has the
> above mentioned factors considered?
The automated approach does not treat the AC/PC , or VCA lines in any special manner. The alignment is based on minimizing the 'discrepancy' between one volume and the template over all voxels.
cheers,
ziad
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Blessy Mathew |
10-23-09 09:19 |
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Re: @auto_tlrc base template TT_N27 offsets |
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ziad |
10-27-09 14:28 |
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Blessy Mathew |
10-28-09 10:16 |
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Blessy Mathew |
11-02-09 13:05 |
