Expression invariant face recognition using contourlet transform.
Hemprasad Y. PatilAshwin G. KothariKishor M. BhurchandiPublished in: IPTA (2014)
Keyphrases
- contourlet transform
- translation invariant
- directional filter banks
- multiscale
- multiresolution
- subband
- nonsubsampled contourlet transform
- texture images
- high frequency
- image denoising
- wavelet transform
- low frequency
- discrete wavelet transform
- denoising
- face images
- mathematical morphology
- image fusion
- image representation
- facial expressions
- object identification
- wavelet packet
- shift invariant
- digital images
- filter bank
- feature vectors
- computer vision