Wavelet domain image super-resolution from digital cinema to ultrahigh definition television by dividing noise component.
Yasutaka MatsuoShinya IwasakiYuta YamamuraJiro KattoPublished in: VCIP (2012)
Keyphrases
- wavelet domain
- image super resolution
- wavelet coefficients
- spatial domain
- denoising
- wavelet transform
- multiscale
- multiresolution
- low resolution
- super resolution
- subband
- dictionary learning
- human visual system
- edge preserving
- image denoising
- noise reduction
- image registration
- noise level
- high frequency
- kernel regression
- low resolution images
- high resolution images
- high resolution
- sparse representation
- maximum a posteriori
- image patches
- frequency domain
- machine learning
- signal to noise ratio
- image segmentation
- high quality
- visual quality
- bit rate
- natural images
- higher order