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Why is the background of PSIR image gray ? #101

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simonqueric opened this issue Jun 20, 2024 · 1 comment
Open

Why is the background of PSIR image gray ? #101

simonqueric opened this issue Jun 20, 2024 · 1 comment

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@simonqueric
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From what I understand of MRI physics, gray levels correspond to different tissues in volumes.

However, in PSIR volumes (for instance, sub-mon005_ses-M0), the background is gray :

img

How is it possible ? Isn't the background supposed to be dark (like in T2/T1 contrasts )?
@jcohenadad
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https://mriquestions.com/phase-sensitive-ir.html

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@jcohenadad @simonqueric