Ideal points and lines
Ideal point (“point
at infinity”)
•p @ (x, y, 0) – parallel to image
plane
•It has infinite image
coordinates
(sx,sy,0)
y
x
z
image plane
Ideal line
•l @ (a,
b, 0) – parallel to image
plane
(a,b,0)
y
x
z
image plane
•Corresponds
to a line in the image (finite coordinates)