Quaternion Gradient and Hessian.

Dongpo Xu Danilo P. Mandic

Published in: CoRR (2014)

Keyphrases

edge detection
fourier transform
real world
hessian matrix
step size
gradient method
gradient information
color texture segmentation
steepest ascent
iterative methods
gradient field
piecewise constant
data structure
image processing
feature selection
artificial intelligence
information retrieval