Convex Matching Pursuit for Large-Scale Sparse Coding and Subset Selection.
Mingkui TanIvor W. TsangLi WangXinming ZhangPublished in: AAAI (2012)
Keyphrases
- sparse coding
- subset selection
- matching pursuit
- linear combination
- basis functions
- dictionary learning
- sparse representation
- image coding
- natural images
- image classification
- alternating optimization
- feature selection
- unsupervised learning
- discriminative power
- image representation
- generative model
- image patches
- hill climbing
- feature space
- visual words
- bag of words
- multiscale
- object recognition
- convex relaxation
- similarity measure
- computer vision
- neural network
- co occurrence
- denoising
- objective function
- training data