Region-based Eigentransformation for Face Image Hallucination.
Yu HuTingzhi ShenKin-Man LamPublished in: ISCAS (2009)
Keyphrases
- face hallucination
- facial images
- face images
- low resolution
- image super resolution
- high resolution
- face recognition
- human faces
- super resolution
- facial expressions
- face databases
- high resolution images
- age estimation
- low resolution face images
- facial features
- automatic face
- image database
- principal component analysis
- low resolution images
- active appearance models
- input image
- feature vectors
- face recognition systems
- image segmentation
- face recognition algorithms
- face representation and recognition
- illumination variations
- image processing
- dictionary learning
- face detection
- image retrieval
- high quality
- image patches
- recognition rate
- face representation
- feature extraction
- recognition accuracy
- face verification
- lighting conditions
- feature points
- multiscale
- feature selection