清空筛选条件
清空筛选条件

How to convert file format from .mat to .nii format

42 次查看（过去 30 天）
Dhafer
Dhafer 2013-6-8
编辑： Walter Roberson 2015-7-18
Dear All
I'm beginner in using mat lab. I don't have much information to do coding by mat lab. I really need you help.
I would like to create nii file from 16 mat files:
  1. .nii file from 16 mat files for T2_star (my file name).
  2. .nii file from another 16 files for T2 (my 2nd file name).
for slice 1:16;
  1. - load mat file.
  2. - store it in 3D variable, because my files are 2D matrix.
end save_nii
%% Please send explanation with each step and appreciated your help.
Regards
Dhafer
  1 个评论
Walter Roberson
Walter Roberson 2013-6-8
What is .nii format? Something to do with National Instruments? But T2 and T2_star are MRS and MRI terms, suggesting that .nii might be a format used by a spectrometer or something like that ?

请先登录，再进行评论。

请先登录，再回答此问题。

采纳的回答

Dhafer
Dhafer 2013-6-11
编辑：Walter Roberson 2015-7-18
Dear All The following code is to create .nii file from 16mat files.
what I need is to do opiste. Svae .nii file to 16 mat files.
files=dir('*.mat');
A=[10:16 1:9] % this is because the volume not in the right order.
for f=1:16;
g=A(f);
load(files(f).name);
M0vol(:,:,g)= M0;
t2starvol(:,:,g)=T2star;
r2starvol(:,:,g)=R2star;
end
nii=make_nii(M0vol);
save_nii(nii,'N_144_M0.nii');
nii=make_nii(r2starvol);
save_nii(nii,'N_144_R2star.nii');
nii=make_nii(t2starvol);
save_nii(nii,'N_144_T2star.nii');

更多回答（1 个）

Dhafer
Dhafer 2013-6-11
编辑：Walter Roberson 2013-6-11
Dear All
I have written this code but there is problem with load line! I do not know what is the error?
files=dir('N_144_slice_*.mat');
A=[10:16 1:9] % this is because the volume not in the right order.
for f=1:16;
g=A(f);
load(files(f).name);
M0vol(:,:,g)= M0;
t2starvol(:,:,g)=T2star;
r2starvol(:,:,g)=R2star;
end
nii=make_nii(M0vol);
save_nii(nii,'N_144_M0.nii');
nii=make_nii(r2starvol);
save_nii(nii,'N_144_R2star.nii');
nii=make_nii(t2starvol);
save_nii(nii,'N_144_T2star.nii');
  2 个评论
Dhafer
Dhafer 2013-6-11
编辑：Walter Roberson 2015-7-18
yes,
I solved the error message and I really need you help to do the opposite code for me.
The following code is to create .nii file from 16mat files.
what I need is to do opiste. Svae .nii file to 16 mat files.
files=dir('*.mat'); ]
A=[10:16 1:9] % this is because the volume not in the right order. for for f=1:16;
g=A(f);
load(files(f).name);
M0vol(:,:,g)= M0;
t2starvol(:,:,g)=T2star;
r2starvol(:,:,g)=R2star;
end
nii=make_nii(M0vol);
save_nii(nii,'N_144_M0.nii');
nii=make_nii(r2starvol);
save_nii(nii,'N_144_R2star.nii');
nii=make_nii(t2starvol);
save_nii(nii,'N_144_T2star.nii');
Your help is appreciated.
Regards
Dhafer

请先登录，再进行评论。

类别

在 Help Center 和 File Exchange 中查找有关 MATLAB 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by