How to open .img or .hdr image

Dear all,

Anyone can help me to open either one of my image attached?

the format is .img and the other one is .hdr.

supposedly the image like picture below:

Answer 1

[Walter Roberson]

See https://www.mathworks.com/help/images/ref/niftiread.html

[mohd akmal masud]

Are you sure this is is. nii format?

[mohd akmal masud]

I tried this command, successful..

clc
clear all
close all

sz = [128 128 128];
fname = 'ect_it2.img';
fid = fopen(fname);
data = fread(fid,'*float'); % assuming uint
fclose(fid);
% this is blindly devectorized 
% may still be transposed, but i can't tell due to symmetry
% note that data is binarized on a [0 1000] scale in uint16
% so if viewing in a denormalized manner, it'll just appear black
% normalize or rescale it as needed
data = reshape(data,sz); 
imshow3D(data)