Are sparse representations really relevant for image classification?
Roberto RigamontiMatthew A. BrownVincent LepetitPublished in: CVPR (2011)
Keyphrases
- image classification
- sparse representation
- sparse coding
- dictionary learning
- image representation
- bag of words
- feature extraction
- image features
- image patches
- negative matrix factorization
- visual words
- compressive sensing
- compressed sensing
- object tracking
- sparse reconstruction
- dimensionality reduction
- face recognition
- regularized least squares
- test images
- machine learning
- multi label
- high dimensional data
- manifold learning
- image restoration
- signal processing
- feature space
- decision trees
- image processing
- norm minimization
- data sets
- single image super resolution
- sparse coefficients