How to split an image into two and save it to a file

Hello everyone: I have a project that I am working on and I am currently stuck at the point of dividing the image into two and saving them in a file. Note that I will apply the code to a group of images and I need to divide them into right and left and save them in the same file

Answer 1

[Matt J]

left=Image(:,1:round(end/2));
right=Image(:,round(end/2)+1:end );

save File.mat left right