Unsupervised Feature Learning by Deep Sparse Coding.
Yunlong HeKoray KavukcuogluYun WangArthur SzlamYanjun QiPublished in: SDM (2014)
Keyphrases
- sparse coding
- unsupervised feature learning
- deep learning
- unsupervised learning
- higher order
- natural images
- dictionary learning
- image classification
- sparse representation
- linear combination
- sparse codes
- supervised learning
- generative model
- deep belief networks
- image patches
- image representation
- machine learning
- pairwise
- high dimensional
- visual words
- multiscale
- text classification
- face recognition
- input image
- dimensionality reduction
- data sets
- feature space
- weakly supervised
- restricted boltzmann machine
- expectation maximization