Using the Shape Gradient for Active Contour Segmentation: from the Continuous to the Discrete Formulation.
Eric DebreuveMuriel GastaudMichel BarlaudGilles AubertPublished in: J. Math. Imaging Vis. (2007)
Keyphrases
- active contour segmentation
- discrete space
- active contours
- ultrasound images
- continuous space
- shape model
- continuous action
- continuous data
- discrete data
- discrete variables
- continuous variables
- continuous domains
- shape prior
- shape analysis
- shape descriptors
- energy functional
- image gradient
- reinforcement learning
- lagrange multipliers
- shape features
- continuous valued
- discrete geometry
- gradient field
- mixed integer
- discrete version
- intensity information
- piecewise linear
- shape matching
- vector field
- piecewise constant
- neural network
- medial axis
- continuous state spaces
- edge detection
- multiscale
- computer vision