Sparse Representation Classifier for microaneurysm detection and retinal blood vessel extraction.
Bob ZhangFakhri KarrayQin LiLei ZhangPublished in: Inf. Sci. (2012)
Keyphrases
- sparse representation
- blood vessels
- vessel detection
- retinal vessel
- fundus images
- dictionary learning
- retinal images
- diabetic retinopathy
- sparse coding
- face recognition
- cross sectional
- compressive sensing
- random projections
- image classification
- compressed sensing
- optic disc
- negative matrix factorization
- joint optimization
- reconstruction error
- sparse approximations
- image patches
- retinal fundus images
- region of interest
- image representation
- regularized least squares
- high dimensional data
- decision trees
- training data
- training set
- object detection
- signal processing
- object tracking
- feature selection
- dimensionality reduction
- higher order
- support vector machine
- high resolution
- feature space
- linear classifiers
- object recognition
- histograms of oriented gradients
- pattern recognition
- sparse reconstruction
- support vector
- feature extraction
- test images