Cervigram image segmentation based on reconstructive sparse representations.
Shaoting ZhangJunzhou HuangWei WangXiaolei HuangDimitris N. MetaxasPublished in: Medical Imaging: Image Processing (2010)
Keyphrases
- sparse representation
- dictionary learning
- image segmentation
- sparse coding
- image classification
- face recognition
- joint optimization
- image patches
- compressed sensing
- graph cuts
- image processing
- markov random field
- image representation
- active contours
- compressive sensing
- high dimensional data
- regularized least squares
- multiscale
- dimensionality reduction
- segmentation method
- negative matrix factorization
- segmentation algorithm
- level set
- signal processing
- piecewise smooth
- orthogonal matching pursuit
- sparse reconstruction
- single image super resolution
- energy functional
- manifold learning
- energy function
- linear combination
- unsupervised learning
- computer vision
- random projections
- natural images
- feature extraction
- machine learning