A 4MP image sensor is actually very good resolution as far as motion imaging goes - better theoretical resolution than HD. The issue is the throughput and network bandwidth. A super simplified calculation means that the image processor is pushing well in excess of 200MBps of raw data onto the network, excluding a sizable amount of transport protocol overhead. Multiply that by 6 DAS cameras, and its easy to see how latency creeps into the system, particularly when considering the number of aircraft systems that are competing for bandwidth and ICP time.
Last edited by Maus92; 17th Jul 2015 at 14:04.