Discriminative sparse image representation for classification based on a greedy algorithm.
Suhaily Cardona-RomeroSelin AviyentePublished in: SSP (2012)
Keyphrases
- image representation
- greedy algorithm
- image classification
- feature space
- sparse coding
- compressive sensing
- sparse representation
- scene classification
- multiscale
- feature extraction
- bag of words
- greedy algorithms
- image content
- pattern representation
- quadtree
- feature selection
- structured sparsity
- unsupervised learning
- machine learning
- worst case
- spatial pyramid
- visual words
- image features
- dynamic programming
- representation scheme
- greedy strategy
- influence maximization
- objective function
- greedy heuristic
- image retrieval
- scene recognition
- object recognition
- text classification
- class specific
- bag of features
- object classification
- feature vectors
- high dimensional
- special case
- semi supervised
- scene categorization
- supervised learning
- visual features
- spatial pyramid matching
- computer vision
- data mining
- influence spread