Projective area-invariants as an extension of the cross-ratio.

Lars Nielsen Gunnar Sparr

Published in: CVGIP Image Underst. (1991)

Keyphrases

multi modal
cross ratio
cross ratios
projective geometry
error analysis
gaze estimation
head movements
projective invariants
vanishing points
camera calibration
computer vision
straight line
projective transformations
camera parameters
perspective projection