Circular sector DCT based feature extraction for enhanced face recognition using histogram based dynamic gamma intensity correction.
R. GaganHardik SanghaviS. RamachandranK. ManikantanPublished in: CUBE (2012)
Keyphrases
- feature extraction
- face images
- dynamic environments
- preprocessing
- human recognition
- image compression
- image classification
- face recognition
- image processing
- wavelet transform
- principal component analysis
- feature vectors
- multiscale
- linear discriminant analysis
- dimension reduction
- facial expressions
- hough transform
- human faces
- gabor filters
- facial expression recognition
- e learning