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Extraction of loess shoulder-line based on the parallel GVF snake model in the loess hilly area of China.
Xiaodong Song
Guoan Tang
Fayuan Li
Ling Jiang
Yi Zhou
Kejian Qian
Published in:
Comput. Geosci. (2013)
Keyphrases
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snake model
active contours
contour extraction
active contour model
gradient vector flow
external force
image gradient
deformable models
object boundaries
line segments
complex shapes
force field
control points
perceptual grouping
b spline
object shape
image sequences
energy functional
level set
least squares