Sparse Coding with Invariance Constraints.
Heiko WersingJulian EggertEdgar KörnerPublished in: ICANN (2003)
Keyphrases
- sparse coding
- discriminative power
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- unsupervised learning
- generative model
- image representation
- sparse codes
- single image super resolution
- group sparsity
- visual words
- person re identification
- high dimensional
- image patches
- object category recognition
- higher order
- feature space
- global constraints
- pattern recognition
- bag of words
- learning algorithm
- signal processing
- nearest neighbor
- data analysis
- object recognition
- alternating optimization