Hierarchical Partitioned Least Squares Filter-Bank for Fingerprint Enhancement.
Sugata GhosalRaghavendra UdupaNalini K. RathaSharath PankantiPublished in: ICPR (2000)
Keyphrases
- filter bank
- least squares
- subband
- image coding
- multiscale
- multiresolution
- perfect reconstruction
- wavelet packet
- frequency domain
- signal processing
- low pass
- reconstruction error
- subband coding
- wavelet filters
- finite impulse response
- discrete wavelet transform
- neural network
- steerable pyramid
- building blocks
- computationally efficient
- wavelet decomposition
- wavelet transform
- feature vectors
- image processing
- filter coefficients
- maximum likelihood
- lifting scheme
- high quality
- image segmentation
- lapped transforms
- machine learning