Fast and flexible convolutional sparse coding.
Felix HeideWolfgang HeidrichGordon WetzsteinPublished in: CVPR (2015)
Keyphrases
- sparse coding
- natural images
- dictionary learning
- sparse representation
- linear combination
- image classification
- generative model
- unsupervised learning
- image representation
- group sparsity
- discriminative power
- single image super resolution
- person re identification
- feature space
- multiscale
- visual words
- image patches
- high dimensional
- object category recognition
- spatial pyramid matching
- feature extraction
- sparse codes
- higher order
- text mining
- deep belief networks
- denoising
- small number
- object recognition
- high quality
- feature selection
- alternating optimization