Deep Fisher Score Representation via Sparse Coding.
Sixiang XuDamien MuseletAlain TrémeauPublished in: CAIP (2) (2021)
Keyphrases
- sparse coding
- image representation
- dictionary learning
- natural images
- sparse representation
- image classification
- sparsity constraints
- generative model
- spatial pyramid matching
- linear combination
- unsupervised learning
- discriminative power
- sparse codes
- object recognition
- visual words
- feature space
- deep belief networks
- person re identification
- small number
- group sparsity
- multiscale
- gaussian mixture model
- n gram
- higher order
- single image super resolution
- image features
- data sets