Variational Shift Invariant Probabilistic PCA for Face Recognition.
Jilin TuAleksandar IvanovicXun XuLi Fei-FeiThomas S. HuangPublished in: ICPR (3) (2006)
Keyphrases
- shift invariant
- face recognition
- principal component analysis
- face images
- rotation invariant
- wavelet domain
- sparse coding
- wavelet coefficients
- local binary pattern
- sparse representation
- discrete wavelet transform
- probabilistic model
- feature extraction
- dimensionality reduction
- image segmentation
- gabor features
- phase information
- edge preserving
- bayesian networks
- feature vectors
- face detection
- multiscale
- wavelet transform
- computer vision
- high dimensional
- facial expressions
- image classification
- low dimensional
- linear combination
- generative model
- spatial domain
- natural images
- low frequency
- higher order
- feature space
- blurred images