An Illumination Invariant Accurate Face Recognition with Down Scaling of DCT Coefficients.
Virendra P. VishwakarmaSujata PandeyM. N. GuptaPublished in: J. Comput. Inf. Technol. (2010)
Keyphrases
- illumination invariant
- face recognition
- dct coefficients
- local binary pattern
- discrete cosine transform
- gabor features
- transform domain
- compressed domain
- facial images
- computer vision algorithms
- feature vectors
- feature extraction
- multiscale
- face images
- face databases
- multi band
- human faces
- linear discriminant analysis
- principal component analysis
- face detection
- watermarking algorithm
- texture information
- computationally efficient
- image processing
- computer vision
- face tracking
- low frequency
- sparse representation
- high quality
- facial expressions
- spherical harmonics
- wavelet transform
- invariant features
- gabor filters
- frequency domain
- image compression