image subtraction in matlab

hi guys..

im currently dealing with matlab..and im doing the image subtraction..the problem is that when i used imsubtract in matlab the two pictures overlap each other...

what seems to be the problem? thank you

Answer 1

[Namrata]

try result = imsubtract(image1,image2); imshow(result,[ ])

[keycamel villegas]

thank you Namrata for the response..how about the tracking?motion tracking