Face super-resolution based on online dictionary learning.
Fanghua LiuRuolin RuanHao NiAixia WuPublished in: CISP-BMEI (2016)
Keyphrases
- dictionary learning
- super resolution
- image super resolution
- single image super resolution
- sparse representation
- sparse coding
- low resolution
- high resolution
- image reconstruction
- low resolution images
- image patches
- high quality
- super resolution reconstruction
- image restoration
- multi frame
- motion estimation
- facial expressions
- high resolution images
- natural images
- keypoints
- generative model
- human faces
- training data
- linear combination
- compressive sensing
- image representation
- pattern recognition
- input image