Hi, Matthias Kleine <Matthias.Kleine@xxxxxx> writes: > Example: I am using a webcam to observe an area. In this > area, a red object is moving around. Now, the webcam is > delivering images to some client program (gimp plugin?). This > program now should calculate the current position of the object > in the observed area. > > Question: How could this be achieved most easily? Which format > would be best? How could the algorithm look like? I'd suggest having a look at the app called "motion". Search for it on freshmeat. Salut, Sven