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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hi All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m new to NIRFAST, but have tried the tool for a while. I tried to study the optical properties of a person’s head. I were confused by the following questions regarding the tool:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>#1<o:p></o:p></p><p class=MsoNormal>When I defined the detectors/sources’ positions manually using image2mesh_gui, the generated positions do not place at the projected points on the head model. Is there any solution to correct this issue?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>#2<o:p></o:p></p><p class=MsoNormal>I followed the codes in head_mesh_script_layered.m to change the hemodynamic properties of the brain (region 4 of the head.mha model). However, I do not understand what position the set_mesh( mesh, 4, values) corresponds to. Is it between the source-detector pairs? Or does it set the hemodynamic values homogeneously throughout region 4? Is it possible to access the exact hemodynamic properties for each node?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>#3<o:p></o:p></p><p class=MsoNormal>For a spectral head model, how can I access the reconstructed optical properties (e.g., reduced scattering coefficients) for each nodes? (It seems that the reconstruction process in the example is not designated for each node.)<o:p></o:p></p><p class=MsoNormal><span style='mso-fareast-language:ZH-TW'><o:p> </o:p></span></p><p class=MsoNormal>Thanks in advance!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Ruisen<o:p></o:p></p></div></body></html>