A novel face super resolution approach for noisy images using contour feature and standard deviation prior.
Liang ChenRuimin HuChao LiangQing LiZhen HanPublished in: Multim. Tools Appl. (2017)
Keyphrases
- standard deviation
- super resolution
- noisy images
- image patches
- low resolution
- high resolution
- denoising
- image reconstruction
- image denoising
- image restoration
- low resolution images
- noise level
- prior model
- edge detection
- motion estimation
- high resolution images
- image super resolution
- gaussian noise
- face images
- motion blur
- high quality
- multi frame
- feature vectors
- correlation coefficient
- wavelet coefficients
- facial images
- facial features
- total variation
- image features
- degraded images
- image segmentation
- maximum a posteriori
- image processing
- depth map
- higher order
- principal component analysis
- facial expressions
- multiresolution
- pattern recognition
- multiscale
- image prior