f(x,y)
g(x’,y’)
x
y
Inverse warping
Get
each pixel g(x’,y’) from its corresponding location
(x,y) = h-1(x’,y’)
in the first image
x
x’
h-1(x,y)
Q: what if pixel comes from “between” two
pixels?
y’
A: resample color value
–We
discussed resampling techniques before
•nearest neighbor, bilinear, Gaussian,
bicubic