  (i) comparing the calculated scaling factors for all of the component's input nets; and  (ii) comparing the calculated reference element input times for all of the component's input nets;  thereby synchronizing the timing of said group by ensuring that corresponding picture elements will arrive together at components having a plurality of inputs;  (e) generating and storing at least one output frame in response to at least one input frame according to the known processing behavior of a first component in the group;  (f) repeating step (e) for each component in the group 