Shape Description Using Gradient Vector Field Histograms.

Wooi-Boon Goh Kai-Yun Chan

Published in: Scale-Space (2003)

Keyphrases

vector field
shape description
gradient field
scalar field
shape descriptors
optical flow
shape representation
shape matching
shape retrieval
morphological operations
critical points
fourier descriptors
gray scale
edge detection
shape features
least squares
shape analysis
image gradient
external force