RGSR: A two-step lossy JPG image super-resolution based on noise reduction.
Biao LiYong ShiBo WangZhiquan QiJiabin LiuPublished in: Neurocomputing (2021)
Keyphrases
- noise reduction
- image super resolution
- edge preserving
- signal to noise ratio
- edge detection
- noisy environments
- low resolution
- median filter
- noise level
- super resolution
- dictionary learning
- post processing
- high resolution
- sparse representation
- image registration
- kernel regression
- low resolution images
- image patches
- map estimation
- sparse coding
- computer vision
- image restoration
- image representation
- level set
- object recognition
- image segmentation