Adversarial Defense by Stratified Convolutional Sparse Coding.
Bo SunNian-Hsuan TsaiFangchen LiuRonald YuHao SuPublished in: CVPR (2019)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- linear combination
- image classification
- unsupervised learning
- discriminative power
- generative model
- image representation
- single image super resolution
- image patches
- sparse codes
- group sparsity
- visual words
- feature space
- object category recognition
- person re identification
- deep belief networks
- high dimensional
- higher order
- gaussian mixture model
- bag of words
- visual recognition
- small number
- prior knowledge
- feature vectors
- data sets