Discriminative sparse representations for cervigram image segmentation.
Shaoting ZhangJunzhou HuangDimitris N. MetaxasWei WangXiaolei HuangPublished in: ISBI (2010)
Keyphrases
- sparse representation
- image segmentation
- dictionary learning
- image classification
- sparse coding
- face recognition
- compressive sensing
- image processing
- dimensionality reduction
- image patches
- image representation
- signal processing
- joint optimization
- compressed sensing
- manifold learning
- negative matrix factorization
- markov random field
- sparse reconstruction
- feature extraction
- segmentation method
- computer vision
- random projections
- high dimensional data
- active contours
- graph cuts
- regularized least squares
- multiscale
- level set
- piecewise smooth
- spectral clustering
- unsupervised learning
- sparse coefficients
- energy functional
- object segmentation
- energy function
- higher order
- denoising
- feature space
- feature selection