Coupled dictionary learning in wavelet domain for Single-Image Super-Resolution.
Junaid AhmedMuhammad WaqasShamshad AliRaheel Ahmed MemonReinhard KlettePublished in: Signal Image Video Process. (2018)
Keyphrases
- wavelet domain
- single image super resolution
- dictionary learning
- sparse coding
- sparse representation
- denoising
- spatial domain
- wavelet coefficients
- multiscale
- natural images
- image denoising
- wavelet transform
- human visual system
- multiresolution
- subband
- image representation
- high frequency
- generative model
- linear combination
- unsupervised learning
- image processing
- image classification
- high dimensional
- compressive sensing
- frequency domain
- computer vision
- signal processing
- motion estimation
- computational complexity
- high quality
- feature selection