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31 Aug 2011 Tools for NIfTI and ANALYZE image Load, save, make, reslice, view (and edit) both NIfTI and ANALYZE data on any platform Author: Jimmy Shen

Hi
I am using Tools for NIfTI and ANALYZE image. It is really helpful and my sincere thanks to share your work for the research community.

I am using the images in .hdr and .img format. I am trying to change the pixel value 1 into 5 and then save it as .img. I viewed the saved images using the function view_nii. I could find the pixel value as 5, which i did. But if i open these images in viewer like MRIcroN and FSLVIEW it shows a pixel value as 0.01961. I could not find the reason. Can you please help me in finding the solution to the above problem. I can see that GMax of the output image is 5. But for the input image it is 0.
I have put the lines of code which were used by me.

I would like to send my input file, so it would be better to know my issue. Please let me know a way to send my input file.

[nii1.hdr,nii1.filetype,nii1.fileprefix,nii1.machine] = load_nii_hdr('1sub_110_A-128_5med');
[nii1.img,nii1.hdr] = load_nii_img(nii1.hdr,nii1.filetype,nii1.fileprefix,nii1.machine);
z=find(nii1.img); %number of index---4610
img1=zeros(size(nii1.img));
img1=uint8(img1);
img1(z)=5.00000;
nii1.img=img1;
save_nii(nii1,'out1.img');

Thanks in advance for your help

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