Frequency Bandwidth Reduction of High-Frequency Intra-Body Propagation Characteristics Used for Attacker's Touch Detection in Fingerprint Authentication.
Shunichi TomuraKoki YamadaTakahiro YoshidaPublished in: GCCE (2023)
Keyphrases
- high frequency
- low frequency
- fingerprint authentication
- wavelet transform
- visual quality
- wavelet coefficients
- high frequency components
- high resolution
- subband
- discrete wavelet transform
- high frequencies
- frequency band
- low pass
- frequency domain
- wavelet decomposition
- high pass
- phase shifting
- smart card
- human visual system
- video sequences