Keyphrases
- image classification
- feature extraction
- principal component analysis
- svm classifier
- principal components
- principal components analysis
- principle component analysis
- visual features
- dimensionality reduction
- covariance matrix
- bag of words
- image representation
- high dimensional
- face recognition
- independent component analysis
- face images
- image features
- kernel pca
- sparse coding
- low dimensional
- random projections
- bag of features
- appearance based object recognition
- dimension reduction
- linear discriminant analysis
- visual words
- sparse representation
- k means
- negative matrix factorization
- multi label
- class specific
- recognition rate
- subspace methods
- dimension reduction methods
- neural network