Sparse coding and normalization for deep Fisher score representation.
Sixiang XuDamien MuseletAlain TrémeauPublished in: Comput. Vis. Image Underst. (2022)
Keyphrases
- sparse coding
- image representation
- dictionary learning
- sparse representation
- natural images
- linear combination
- image classification
- sparsity constraints
- discriminative power
- generative model
- unsupervised learning
- sparse codes
- group sparsity
- spatial pyramid matching
- person re identification
- single image super resolution
- object category recognition
- multiscale
- sparse representation based classification
- deep learning
- image patches
- bag of words
- high dimensional
- feature space
- visual recognition
- visual words
- model selection
- denoising
- data analysis
- object recognition
- machine learning