Features
•What
makes a good feature?
–Derivation
in terms of shifting a window
•H
matrix
–Definition
–Meaning
of eigenvalues and eigenvectors
•Harris
operator
–How
to use it to detect features
•Feature
descriptors
–MOPS
(rotated square window)
–SIFT
(high level idea)
•Invariance
(how to achieve it)
–Rotation
–Scale
–Lighting
•Matching
features
–Ratio
test
–RANSAC