Exploiting multi-scale spatial structures for sparsity based single image super-resolution.
Yongqin ZhangJiaying LiuWei BaiZongming GuoPublished in: ICIP (2014)
Keyphrases
- single image super resolution
- multiscale
- sparse representation
- sparse coding
- dictionary learning
- high dimensional
- image patches
- super resolution
- wavelet transform
- scale space
- natural images
- image segmentation
- image representation
- edge detection
- low resolution
- image processing
- wavelet coefficients
- image reconstruction
- dimensionality reduction
- image structure
- motion estimation
- compressive sensing