I'm not engaged in obtaining images, so I don't have any details about the images. I wonder the method which you commented can be applied to images I already earned. If it's not, is there any way to recover SNR after image scanning?
Thanks, Youngmin Huh. 2012/11/13 Bruce Fischl <fis...@nmr.mgh.harvard.edu> > what is the bandwidth? The typical way to fix it is to increase the > bandwidth. You can probably recover some of the SNR you will lose by > reducing your flip angle, which is pretty far from the Ernst angle. > Also, minimize your TE (if 4ms is not already the min) > cheers > Bruce > > > > On Tue, 13 Nov 2012, youngmin huh wrote: > > Hi, >> 3D SPGR sequences were used. (TR=22, TE=4, thickness=1.4, FOV=240*240, >> FA=40) >> If the artifacts are due to B0 distortion, I wonder how I can fix it. >> >> Thanks, >> Youngmin Huh >> >> >> >> 2012/11/12 Bruce Fischl <fis...@nmr.mgh.harvard.edu> >> Can you give us the acquisition details? I suspect this is not >> noise, but rather B0 distortion. >> what is the acquisition? And what bandwidth? >> >> >> On Nov 8, 2012, at 2:53 AM, youngmin huh <ymin1...@gmail.com> >> wrote: >> >> > Dear all, >> > >> > I'm working with some images, and they have so much noises on >> temporal areas. >> > I just ran recon2, but not sure if they'll be segmented >> properly. >> > Does anyone have a recommendation for dealing with it? >> > I wonder if there is any flag or option for this occasion. >> > I would appreciate any comments or help. >> > I attached an example. >> > >> > Thanks, >> > >> > Youngmin Huh >> > <temporal_001.jpg> >> >> >> The information in this e-mail is intended only for the person to whom >> it is >> addressed. If you believe this e-mail was sent to you in error and the >> e-mail >> contains patient information, please contact the Partners Compliance >> HelpLine at >> http://www.partners.org/**complianceline<http://www.partners.org/complianceline>. >> If the e-mail was sent to you >> in error >> but does not contain patient information, please contact the sender >> and properly >> dispose of the e-mail. >> >> >> >> >>
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