Deinterlacing takes half the image and "estimates" the other half. What you guys are talking about is frame blending. Pretty much the same thing -- if there is no decernable difference between the two frames given that they are 1/60 of a second apart in time.

<<<-- Originally posted by Barry Green : Also, the color sampling could possibly be 4:2:2, since the 4:2:0 sampling system has two color samples every other line, and if you throw one of those lines away, you'd then have two color samples every line... -->>>

That is one killer plug-in app if somebody wants to write it.