An EM algorithm for shape classification based on level sets.
Andy TsaiWilliam M. Wells IIISimon K. WarfieldAlan S. WillskyPublished in: Medical Image Anal. (2005)
Keyphrases
- multiscale
- level set
- shape classification
- em algorithm
- shape representation
- image segmentation
- expectation maximization
- shape retrieval
- shape matching
- active contours
- mixture model
- parameter estimation
- shape prior
- partial differential equations
- shape descriptors
- maximum likelihood
- generative model
- gaussian mixture model
- energy function
- machine learning
- maximum a posteriori
- computer vision
- probabilistic model
- visual features
- higher order
- least squares
- active contour model
- prior knowledge
- image retrieval