Single image super-resolution in frequency domain.
Mohammad Moinul IslamMohammed Nazrul IslamVijayan K. AsariMohammad A. KarimPublished in: SSIAI (2012)
Keyphrases
- frequency domain
- single image super resolution
- sparse coding
- super resolution
- dictionary learning
- spatial domain
- image patches
- low resolution
- fourier transform
- power spectrum
- sparse representation
- high resolution
- feature extraction
- subband
- denoising
- natural images
- image classification
- image restoration
- linear combination
- image reconstruction
- high quality
- image sequences
- image representation
- high dimensional
- feature space
- additive noise
- face recognition