Learned ISTA with Error-based Thresholding for Adaptive Sparse Coding.
Ziang LiKailun WuYiwen GuoChangshui ZhangPublished in: CoRR (2021)
Keyphrases
- sparse coding
- dictionary learning
- reconstruction error
- natural images
- sparse representation
- linear combination
- image classification
- generative model
- unsupervised learning
- image representation
- discriminative power
- object category recognition
- group sparsity
- sparse codes
- single image super resolution
- person re identification
- feature space
- image patches
- denoising
- high dimensional
- visual words
- image processing
- data sets
- edge detection
- image segmentation
- multiscale
- object recognition
- probabilistic model
- image features
- motion estimation
- higher order