Improving the SIFT descriptor with smooth derivative filters.

Plinio Moreno Alexandre Bernardino José Santos-Victor

Published in: Pattern Recognit. Lett. (2009)

Keyphrases

sift descriptors
keypoints
global context
feature representation
projective invariants
image matching
visual words
computational cost
image features
discriminative power
scale invariant feature transform
computer vision
image processing
multiscale
affine invariant