Errors in Lukas-Kanade
•
What are the potential causes of errors in this
procedure?
–
Suppose A
T
A is easily invertible
–
Suppose there is not much noise in the image
•
•
When our assumptions are violated
–
Brightness constancy is
not
satisfied
–
The motion is
not
small
–
A point does
not
move like its neighbors
•
window size is too large
•
what is the ideal window size?
(Seitz)