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Discrete Derivatives of Vector Fields on Surfaces - An Operator Approach.
Omri Azencot
Maks Ovsjanikov
Frédéric Chazal
Mirela Ben-Chen
Published in:
ACM Trans. Graph. (2015)
Keyphrases
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differential operators
vector field
critical points
laplace beltrami
optical flow
velocity field
feature detectors
scalar field
gaussian derivatives
multiscale
partial differential equations
scale space
motion field
zero crossing
translation invariant
fluid flow
simply connected
image sequences