Provably Accurate Double-Sparse Coding.
Thanh V. NguyenRaymond K. W. WongChinmay HegdePublished in: J. Mach. Learn. Res. (2019)
Keyphrases
- sparse coding
- dictionary learning
- sparse representation
- natural images
- image classification
- linear combination
- image representation
- unsupervised learning
- person re identification
- discriminative power
- group sparsity
- single image super resolution
- generative model
- image patches
- visual words
- feature space
- sparse codes
- higher order
- input image
- object category recognition
- high quality
- sparsity constraints
- alternating optimization
- data sets
- spatial pyramid matching
- low resolution
- high dimensional
- multiscale
- machine learning