Enhanced sparse representation classifier for text classification.
P. UnnikrishnanV. K. GovindanS. D. Madhu KumarPublished in: Expert Syst. Appl. (2019)
Keyphrases
- sparse representation
- text classification
- text classifiers
- feature selection
- dictionary learning
- feature reduction
- sparse coding
- image classification
- text categorization
- face recognition
- training data
- machine learning
- image patches
- bag of words
- compressed sensing
- random projections
- compressive sensing
- signal processing
- image representation
- support vector machine
- high dimensional data
- n gram
- joint optimization
- support vector
- text mining
- svm classifier
- sparse reconstruction
- sparse codes
- sparse approximations
- regularized least squares
- test images
- class labels
- dimensionality reduction
- knn
- training set
- data sets
- multi label
- training samples
- labeled data
- decision trees
- learning algorithm
- data mining
- neural network