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Hi Bruce
Thanks for your response. In the help, I found the following options. Is the fwhm based on voxel unit? Does nsmooth-in or-out control the number of stacked smoothing?
--fwhm-src fwhmsrc: smooth the source to fwhmsrc --fwhm-trg fwhmtrg: smooth the target to fwhmtrg --nsmooth-in N : smooth the input --nsmooth-out N : smooth the output
Best Jiaen
From: freesurfer-bounces@nmr.mgh.harvard.edu freesurfer-bounces@nmr.mgh.harvard.edu On Behalf Of Fischl, Bruce R.,PHD Sent: Thursday, April 11, 2024 14:24 To: Freesurfer support list freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] surface-based filtering
EXTERNAL MAIL Yes, we support surface-based smoothing. Check out the help for mri_surf2surf
Cheers Bruce
From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu> On Behalf Of Jiaen Liu Sent: Thursday, April 11, 2024 2:14 PM To: freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] surface-based filtering
External Email - Use Caution I'm wondering if freesurfer provides functions to filter the surface data within certain neighborhood exclusively on the surface. It's essentially similar to regular smoothing in 3D space. But the filtering kernel only runs on the surface. I can think of a solution to filter adjacent vertex in the surface file. But I'm not sure if the adjacent vertex is also close in space. Thanks!
Best regards, Jiaen Liu Ph.D. Assistant Professor Advanced Imaging Research Center & Radiology UT Southwestern Medical Center 2201 Inwood Ln Dallas, TX, USA, 75390 Office: 214.645.2750 Website: Liu (Jiaen) Lab | UT Southwestern, Dallas, Texashttps://secure-web.cisco.com/1AofbNbSj-GEQlw3J-B-1P0p5HCFqRSfw2t5l2kVpOTayqkHgE6Mupf6pIwXP62LhQrsVbH-xtVJ-GU01COmhHlJALv_Ct4gDt9fwUeEQQuBHQxJ-oo3cs3D87_i-MCk8r7Z_vAgMNvW8rzTQEXErcxXBTNaK0guWGaJI7UIASvstJWCZQnkb2OXXIOvsTPXDqCbxjLSPhLskImcnQMA-k0I754rzbf_A6uMgZvyq5ZoD_y3vPxd-bBJFymhj0ow4-teRRLxsrfU17L96nGZ7ZBLrOLqr3xZDc4tHbYIwmhn1Y6UlYzxKCuRrsYimrw5S4qKUJOnPpkgOyYFDOrkjZQ/https%3A%2F%2Furldefense.com%2Fv3%2F__https%3A%2Fsecure-web.cisco.com%2F1wkcO1DGr29TJIFWSpji3illMnzDHZyRdRD7_obcKaq5oL2yqeKgViqZIVcrcWMEYsMRClqQNWgXfENeuG6GalScCAKIRCo7GEHEbOnDKFEjLXVg2eEwVhiG9uT2Hc7asFEYCYcbSB7QpBiE-gWNQtxXdY21-NvJL9ayiMgvf0vjPZ58ihtEDDpktkt3FKuEygFF36UU3ITL19Rh5Ry95xi3ybBhPid2IvMWLczOnfoVUCoAq6XIptCy4h2rC5UlPB-7QMlqM4JpE_pt1pg6NAQPr9R4knE_k_am2zSouWWDFcLBzyqyeq66PzCx2mc7p%2Fhttps*3A*2F*2Flabs.utsouthwestern.edu*2Fliu-jiaen-lab__;JSUlJQ!!MznTZTSvDXGV0Co!GYydHkcWwUUxabPeUXMIfHXTRAhASBjUkmJqIr4DPmWnqI0toQo_t8rspwASUsJdE6zgrg9VtJr56Vi486yNvBqyq5czr0ey$
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