A Wavelet Approach to Functional Principal Component Analysis.
Francisco A. OcañaOlga ValenzuelaAna M. AguileraPublished in: COMPSTAT (1998)
Keyphrases
- principal component analysis
- principal components
- wavelet transform
- feature extraction
- denoising
- wavelet coefficients
- linear discriminant analysis
- covariance matrix
- face recognition
- multiscale
- dimension reduction
- multiresolution
- independent component analysis
- dimensionality reduction
- wavelet decomposition
- multiresolution analysis
- lower dimensional
- wavelet function
- singular value decomposition
- discriminant analysis
- low dimensional
- face images
- feature space
- data sets
- image compression
- negative matrix factorization
- random projections
- wavelet neural network
- original signal
- haar wavelet