perform var(image(:)) operation in gui

please,provide me a demo code for 5 images read in GUI using popup menu and perform var(image(:)) operation in gui

[Walter Roberson]

What part should the pop-up menu play in this?

What do you want to have happen with the result of the variance calculation?

[vipul utsav]

suppose 5 images are a,b,c,d,e.

if i select in pop-up menu 'b',then image 'b' should display in GUI and var(b(:)) should display in box.

Answer 1

[Walter Roberson]

foo = get(hObject, 'String');
bar = imread(foo{get(hObject, 'Value')});
msgbox(num2str(var(bar(:))));