RSS-then-average & Average-then-rss about fastmri_prostate HOT 1 CLOSED

Hello,

Thanks for your question. Here is the summary of the different methods you mentioned:

Method 1
Average then RSS: this pipeline results in some phase cancellation but has no g-factor noise amplification. However, it is more sensitive to motion artifacts, which is why we chose Method 2 for our reconstruction pipeline code.

Method 2
RSS then average : this pipeline results in images that are less sensitive to motion artifacts but has noise amplification due to an increased g-factor, however differs from the knee and brain data reconstruction.

Overall, the difference between the two methods is not very large, and providing all the averages gives you the flexibility to the preferred method to be more compatible with the other datasets/fastMRI code repository.

Thank you,
Radhika

from fastmri_prostate.