I would guess it's a combination of Not Invented Here syndrome and different problem spaces. Despite the fact that ITK seems to focus on very small things, whi

I would guess it's a combination of Not Invented Here syndrome and different problem spaces. Despite the fact that ITK seems to focus on very small things, while NASA tends to focus on the quite large, I've found that image processing, by and large, is image processing, so I'd think the former is probably more important.