PolSAR image compression based on online sparse K-SVD dictionary learning.
Jing BaiBin LiuLei WangLicheng JiaoPublished in: Multim. Tools Appl. (2017)
Keyphrases
- dictionary learning
- image compression
- sparse representation
- sparse coding
- group sparsity
- sparse codes
- object category recognition
- dictionary learning for sparse
- wavelet transform
- sparsity constraints
- linear combination
- subband
- signal recovery
- machine learning
- image classification
- signal processing
- reconstructed image
- image representation
- natural images
- high quality
- image processing
- computer vision