9/14/2001
CS
461, Copyright G.D. Hager
PROPERTIES
OF TEMPORAL IMAGE NOISE
(i.e., successive images)
(i.e., successive images)
Sqrt(n)
s
If standard deviation of grey values at a pixel is s
for a pixel for a single image, then the laws of statistics states that
for independent sampling of grey values, for a temporal average of n
images, the standard deviation is: