indeed possum can help. there is some work that both francisco’s group at nimh and doug’s group at mgh were doing in the last few years on this topic. i don’t think either are on neurostars. also, i saw a nice presentation of a simulator from a group in netherlands during ismrm last year. you may want to check the abstracts.
Thank you! These are great leads.
I have to admit that I find POSSUM’s legacy installation status somewhat worrying, but it certainly seems like a strong choice.
Also, @raamana, thanks for also mentioning BrainWeb. I wasn’t familiar, and it is a very interesting project.
A deeper understanding of k-space can often help one understand artifacts. Many simulators exist, and ‘extreme’ values of various parameters sometimes give insights: https://kspace-explorer.streamlit.app/