Face Recognition by Multiresolution Contourlet Transform on Bit Quantized Facial Images.
Angshul MajumdarS. RayA. BhattacharyaPublished in: IICAI (2007)
Keyphrases
- facial images
- contourlet transform
- multiresolution
- face recognition
- multiscale
- subband
- face databases
- wavelet transform
- image fusion
- image denoising
- face detection
- facial expressions
- human faces
- high frequency
- discrete wavelet transform
- low frequency
- translation invariant
- image representation
- face images
- texture images
- image database
- feature extraction
- coarse to fine
- facial features
- local binary pattern
- orl database
- wavelet coefficients
- principal component analysis
- high quality
- denoising
- linear discriminant analysis
- natural images
- texture analysis
- frequency domain
- image quality
- image compression
- remote sensing
- image analysis
- fusion method
- face verification
- dct coefficients
- feature space
- object recognition
- discriminant analysis