Generalized Spectrum of Second Order Differential Operators.

Tomás Gergelits Bjørn Fredrik Nielsen Zdenek Strakos

Published in: SIAM J. Numer. Anal. (2020)

Keyphrases

differential operators
vector field
multiscale
partial differential equations
scale space
zero crossing
multiple scales
feature detectors
higher order
diffusion tensor
computer vision
preprocessing
image analysis
optical flow
image enhancement
gaussian derivatives