Learned ISTA with Error-Based Thresholding for Adaptive Sparse Coding.
Ziang LiKailun WuYiwen GuoChangshui ZhangPublished in: ICASSP (2024)
Keyphrases
- sparse coding
- dictionary learning
- natural images
- sparse representation
- reconstruction error
- linear combination
- image classification
- unsupervised learning
- image representation
- discriminative power
- generative model
- single image super resolution
- object category recognition
- group sparsity
- person re identification
- image patches
- edge detection
- denoising
- feature space
- multiscale
- sparse codes
- image segmentation
- signal processing
- generalization error
- image features
- visual words
- bag of words
- data sets