Recovering variations in facial albedo from low resolution images.
Xu ChenZhihong ZhangBeizhan WangGuosheng HuEdwin R. HancockPublished in: Pattern Recognit. (2018)
Keyphrases
- low resolution images
- facial images
- surface normal direction
- facial shape
- low resolution
- high resolution images
- super resolution
- high resolution
- single image
- human faces
- face images
- face recognition
- facial expressions
- super resolution reconstruction
- super resolution image reconstruction
- facial features
- surface normals
- face detection
- lighting conditions
- shape recovery
- image database
- input image
- shape from shading
- photometric stereo
- multi frame
- light source
- illumination variations
- image super resolution
- super resolution algorithm
- principal component analysis
- feature space