Hi Bruce, Thanks very much for the explanation. According to your suggestion, I think maybe I should try to figure it out with a 2D fast marching process. I could extract it to a 2 dimension matrix by matlab with FreeSurfer package, right?
Best, Yunxin 2013/8/6 Bruce Fischl <[email protected]> > Hi Yunxin > > could you cc the list so that others can answer? I don't think you will be > able to get a reasonable surface out of a discretized 256*3 volume for the > pial surface. There are many, many places where the pial surface comes > within a fraction of a mm of itself that you will not be able to represent. > > cheers > Bruce > > > On Tue, 6 Aug 2013, Yunxin Wang wrote: > > Hi Bruce, >> Thanks for your response. Actually I want to use the fast marching toolbox >> to further analyze the pial surface that FreeSurfer has reconstructed >> automatically, but according to the procedure only the pial surface will >> be >> used for fast marching process and I found out the input file of fast >> marching is a 256*256*256 matlab file which I could just load in matlab >> but >> couldn't see any detail. Do you think I can use the freesurfer_read_surf >> function in matlab to transfer the surface? >> >> Best, >> Yunxin >> >> >> 2013/8/5 Bruce Fischl <[email protected]> >> Hi Yunxin >> >> the surface lives in a continuum and is 2D. Do you mean filling >> the space between the ?h.white and ?h.pial surfaces? We do that >> as part of recon-all and create ribbon volumes in the mri dir >> cheers >> Bruce >> >> >> On Mon, 5 Aug 2013, Yunxin Wang wrote: >> >> Hi dear all, >> I'm new here and I've a simple question that how >> could I transfer the reconstructed pial surface >> file(like lh.pial) into a >> 256*256*256 matlab matrix used in later fast >> marching process? >> >> Any suggestion will be appreciated! >> Thank guys. >> >> Best, >> Yunxin Wang >> >> >> >> >> >> >> 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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