Uses of projective geometry
•Drawing
•Measurements
•Mathematics
for projection
•Undistorting
images
•Focus
of expansion
•Camera
pose estimation, match move
•Object
recognition via invariants
Today: single-view
projective geometry
•Projective
representation
•Point-line
duality
•Vanishing
points/lines
•Homographies
•The
Cross-Ratio
Later: multi-view
geometry