Geometric Sparse Coding in Wasserstein Space.
Marshall MuellerShuchin AeronJames M. MurphyAbiy TasissaPublished in: CoRR (2022)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- basis vectors
- image classification
- generative model
- person re identification
- unsupervised learning
- single image super resolution
- linear combination
- discriminative power
- image representation
- feature space
- geometric structure
- sparse codes
- object category recognition
- image patches
- high quality
- visual words
- vector space
- small number
- motion estimation
- multiscale
- machine learning