Nested cross-validation based adaptive sparse representation algorithm and its application to pathological brain classification.
Lingraj DoraSanjay AgrawalRutuparna PandaAjith AbrahamPublished in: Expert Syst. Appl. (2018)
Keyphrases
- cross validation
- sparse representation
- model selection
- dictionary learning
- support vector
- cross validated
- image classification
- sparse coding
- nearest neighbor classifiers
- hyperparameters
- training set
- unseen data
- variable selection
- compressive sensing
- face recognition
- image patches
- regularization parameter
- unsupervised learning
- high dimensional data
- decision trees
- sample size
- data sets
- text classification
- random projections
- pattern recognition
- image retrieval
- svm classifier
- supervised learning
- signal processing