Edge preserving single image super-resolution with improved visual quality.
S. VishnukumarMadhu S. NairM. WilscyPublished in: Signal Process. (2014)
Keyphrases
- visual quality
- edge preserving
- image prior
- image restoration
- image quality
- bit rate
- noise reduction
- high frequency
- human visual system
- anisotropic diffusion
- peak signal to noise ratio
- reconstructed image
- least squares
- maximum a posteriori
- super resolution
- subband
- sparse coding
- image reconstruction
- wavelet coefficients
- signal to noise ratio
- feature vectors