Single image superresolution using sparsity and dictionary learning in wavelet domain.
Mahmoud NazzalHüseyin ÖzkaramanliPublished in: SIU (2012)
Keyphrases
- single image
- wavelet domain
- dictionary learning
- super resolution
- sparse representation
- spatial domain
- image super resolution
- high resolution
- sparse coding
- low resolution
- wavelet coefficients
- denoising
- wavelet transform
- image reconstruction
- motion estimation
- multiscale
- high frequency
- image restoration
- human visual system
- image classification
- multiresolution
- image denoising
- low resolution images
- high quality
- subband
- high resolution images
- face recognition
- image patches
- signal processing
- motion blur
- image representation
- frequency domain
- dimensionality reduction
- test images
- high dimensional data
- sar images
- machine learning
- higher order