Reduction of correlation computation in the permutation of the frequency domain ICA by selecting DOAs estimated in subarrays.
Hao YuanHisashi KawaiToshiharu HoriuchiPublished in: EUSIPCO (2007)
Keyphrases
- frequency domain
- cross correlation
- feature extraction
- spatial domain
- fourier transform
- independent component analysis
- power spectral
- frequency domain analysis
- power spectrum
- denoising
- subband
- face recognition
- frequency analysis
- low pass
- fast fourier transform
- preprocessing
- frequency spectrum
- facial asymmetry
- principal component analysis
- discrete fourier transform
- single channel
- frequency response
- affine invariance
- feature vectors