Face Image Super-Resolution via K-NN Regularized Collaborative Representation with Importance Reweighting.
Licheng LiuShutao LiPublished in: ICPR (2018)
Keyphrases
- knn
- super resolution
- low resolution
- face images
- high resolution
- k nearest neighbor
- face hallucination
- low resolution face images
- nearest neighbor
- face recognition
- low resolution images
- image reconstruction
- high resolution face images
- human faces
- k nearest neighbour
- high resolution images
- motion estimation
- high quality
- image patches
- image restoration
- face representation
- depth map
- multi frame
- similarity search
- support vector machine
- principal component analysis
- facial features
- facial expressions
- neural network
- test images
- feature selection
- machine learning
- facial images
- recognition rate
- image representation
- feature points
- text classification