"saccadic eye movements" i.e. how we linearly parses image detail(s) and in turn sequentially assemble composite image. HVS dynamic range or simultaneous contrast per human eye/brain resolves ~100-150:1 max. Through these saccadic eye movements we are able to perceive a white rabbit scurrying atop pure white snow. Edge detail are realized by human eye dithering over a objects edge or boundary. It is not a revelation or news that image reproduction is merely illusion and paramount that "it works" near perfectly.
Our current 2K format is sublime enough for near 35mm film experience. Till 1080P @ 60 Hz is realized there is not much downside to 19.39 Mb/s MPEG-2 @ 1920 x 1080i format. The current technical and fundamental problem is multiplexing (multi channel) more than one DTV channel. Until we technically cut bait with MPEG-2 codec altogether, the best one can do is 1080i.
Also the rumor 1920 x 1080i = 1920 x 540P is lacking empirically.
TB'
Biting the hand that feeds IT
