I frequently have 10 photos taken from a tripod mounted camera, of an object moving across the field of vision.
I know I can painstakingly combine these in PhotoShop/gimp to create one composite image showing the object 10 times in a single frame.
I feel that this should be programatically possible though, by analysing the 10 photos one can find what the steady-state background is, and then overlay only the moving object from each photo on top of it?
And generally, if something's possible it means someone much cleverer than me will have already done it!
I've read all the options on the composite functionality though, and can't see anything relevant there? Google hasn't thrown up anything useful, but I may be being blind.