wow, that's really, really old. I don't know where that atlas is, or whether it would work with our current tools. Why don't you try option 1 and see how the optimal synthesis works?

On Mon, 6 Jun 2011, Auer, Tibor MD. Ph.D. wrote:

I am following the steps described here: http://surfer.nmr.mgh.harvard.edu/fswiki/MEF, Scheme #2 (processing in the multi-spectral space), Step 5: "We also built a specific atlas for MEF data, which has exactly two channels (one for flash30, and one for flash5). The atlas is stored in FLASH_atlas.gca."

Or is there a better way to analyze MEF data?

Bests,

Auer, Tibor M.D. Ph.D. Biomedizinische NMR Forschungs GmbH am Max-Planck Institut für Biophysikalische Chemie Am Fassberg 11 37077 Göttingen Germany Phone/Work: +49-(0)551-201-1725 Mobile: +49-(0)176-8012-7921 E-Mail: tauer@gwdg.de

-----Original Message----- From: Bruce Fischl [mailto:fischl@nmr.mgh.harvard.edu] Sent: Monday, June 06, 2011 6:15 PM To: Auer, Tibor MD. Ph.D. Cc: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] MEF segmentation: FLASH_atlas.gca

I don't think we ever created a MEF atlas, but did do one for single echo FLASH. We don't have one we distribute as we don't use it internally and haven't assessed it for accuracy/reliability etc... for years. We could try to dig it up I guess, but we don't really support it at the moment.

cheers Bruce

On Mon, 6 Jun 2011, Auer, Tibor MD. Ph.D. wrote:

...

Dear Freesurferers,

I am trying to process multi-echo FLASH (MEF) images with FS. I have read in FSWiki, that the FLASH_atlas.gca was built precisely for MEF data acquired with FA=5 and FA=30. However, when I have looked after FLASH_atlas.gca in the FS installation, I have found none.

Is it possible to obtain it somehow?

Thanks,

Auer, Tibor M.D. Ph.D.

Biomedizinische NMR Forschungs GmbH

am Max-Planck Institut für Biophysikalische Chemie

Am Fassberg 11

37077 Göttingen

Germany

Phone/Work: +49-(0)551-201-1725

Mobile: +49-(0)176-8012-7921

E-Mail: tauer@gwdg.de mailto:tibor.auer@gmail.com

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