Quaternion Correlation Filters for Illumination Invariant Face Recognition.
Dayron Rizo-RodriguezHeydi Mendez VazquezEdel B. García ReyesCésar San MartínPablo MezaPublished in: CIARP (2011)
Keyphrases
- correlation filters
- illumination invariant face recognition
- face recognition
- discriminant function
- fourier transform
- shift invariance
- image recognition
- face images
- feature analysis
- pattern recognition
- face detection
- feature extraction
- discriminant analysis
- facial expressions
- signal to noise ratio
- linear discriminant analysis
- computer vision
- signal processing
- low resolution images
- multiscale
- principal component analysis
- human faces
- feature space
- object recognition
- high quality
- thermal images
- image sequences
- image processing