 |
 |
Personally, I would do it by relating together the old and new matrices in the header. The matrix shown in the graphics window relates the voxels in one image to those in the other, which I don't think is what you want. Best regards, -John On 3 May 2012 09:51, Zhijiang Wang <[log in to unmask]> wrote: > Hi, SPMers, > > After I do coregister/Estimate, there is a change in hdr.mat. > But would anybody tell me how to get transformation matrix? > I want to find the corresponding relationship of physical coordinates > between two images peformed by coregister. > > In the results .ps file named by "spm_*.ps", there are 3 formulars about > X1,Y1,Z1. > Are they? > > Or through caculating the relationship between old.hdr.mat and new.hdr.mat? > > Great thanks! > > > -- > > Best wishes, > > Ross Wang > > -------------------------------------------- > > PhD Candidate > > Room 407, East Segment, Material Science Building, > > The International WIC Institute, > > Brain Informatics, > > College of Computer Science and Technology, > > Beijing University of Technology, > > Beijing, China.