Exact and Heuristic Methods for Simultaneous Sparse Coding.
Alexandra DacheArnaud VandaeleNicolas GillisNicolas NadisicPublished in: EUSIPCO (2023)
Keyphrases
- heuristic methods
- sparse coding
- dictionary learning
- natural images
- sparse representation
- image classification
- linear combination
- image representation
- optimal solution
- tabu search
- unsupervised learning
- feature space
- image patches
- generative model
- visual words
- object category recognition
- sparse codes
- bag of words
- higher order
- computer vision
- high dimensional
- pairwise
- multiscale
- learning algorithm
- simulated annealing
- dimensionality reduction