Wavelet domain dictionary learning-based single image superresolution.
Mahmoud NazzalHüseyin ÖzkaramanliPublished in: Signal Image Video Process. (2015)
Keyphrases
- wavelet domain
- single image
- dictionary learning
- super resolution
- spatial domain
- image super resolution
- high resolution
- sparse representation
- wavelet coefficients
- sparse coding
- wavelet transform
- multiscale
- low resolution
- denoising
- motion estimation
- image reconstruction
- human visual system
- image restoration
- high frequency
- image denoising
- low resolution images
- multiresolution
- subband
- high quality
- image patches
- high resolution images
- motion blur
- image processing
- sar images
- image quality
- machine learning
- image classification
- image sequences
- linear combination
- natural images
- bit rate
- unsupervised learning