how to apply Motion detection in a sequence of images saved in a folder and only the Motion detected image/frame should be shown/saved again

i have a sequence of images saved in a folder for example frame1.jpg frame2.jpg....frame20.jpg

fileNames = arrayfun( @(x) fullfile( 'F:\Matlab Programs\matlab\new\Gui_img', x.name ), a, 'UniformOutput', false );

i have saved all in an array fileNames ..now i have to detect motion on this images ie frame1.jpg is different from frame2.jsp save frame2.jsp in separate folder or just use imshow and show only motion detected frame image...

folder in which i have the sequence of 28 images

Answer 1

[Image Analyst]

Try my attached demo.

But perhaps a better way is to look at optical flow.