When motion is small: Optical Flow
•
Small motion:
(u and v are less than 1 pixel)
–
H(x,y) = I(x+u,y+v)
•
Brute force not possible
•
•
suppose we take the Taylor series expansion of I:
(Seitz)
A:
H(x,y) = I(x+u, y+v)
