Feature extraction using discrete cosine transform for face recognition.
Saeed DabbaghchianAli AghagolzadehMohammad Shahram MoinPublished in: ISSPA (2007)
Keyphrases
- discrete cosine transform
- face recognition
- feature extraction
- image compression
- discriminant analysis
- dct coefficients
- transform domain
- linear discriminant analysis
- face images
- filter bank
- wavelet transform
- dct domain
- local binary pattern
- blocking artifacts
- computer vision
- jpeg images
- gabor features
- lapped transforms
- principal component analysis
- frequency domain
- fisher linear discriminant
- feature vectors
- compressed images
- image blocks
- facial expressions
- preprocessing
- image processing
- discrete fourier transform
- pattern recognition
- sparse representation
- computational complexity
- signal processing
- machine learning
- texture analysis
- hartley transform