Sparse Coding Based Fisher Vector Using a Bayesian Approach.
Kart-Leong LimHan WangPublished in: IEEE Signal Process. Lett. (2017)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- unsupervised learning
- discriminative power
- generative model
- image representation
- image patches
- feature space
- group sparsity
- object category recognition
- vector space
- person re identification
- high dimensional
- feature vectors
- single image super resolution
- sparse codes
- higher order
- ground truth
- spatial pyramid matching
- nearest neighbor
- semi supervised
- probabilistic model
- machine learning