I understood these sequence of slides to show that as we reduce the max signal frequency we reduce the maximum frequency the 1/4 of the potential frequency which leads to a reduction in the finer details causing the smoothness and blurriness we see in the spatial domain.
I understood these sequence of slides to show that as we reduce the max signal frequency we reduce the maximum frequency the 1/4 of the potential frequency which leads to a reduction in the finer details causing the smoothness and blurriness we see in the spatial domain.