Spoofing protection for fingerprint scanner by fusing ridge signal and valley noise.
Bozhao TanStephanie A. C. SchuckersPublished in: Pattern Recognit. (2010)
Keyphrases
- random noise
- additive noise
- low signal to noise ratio
- liveness detection
- received signal
- signal detection
- wide band
- signal to noise ratio
- noise level
- low snr
- noisy environments
- white noise
- additive gaussian noise
- low frequency
- biometric template
- singular points
- orientation field
- noise variance
- high frequency
- biometric systems
- impulse response
- signal processing
- biomedical signals
- wiener filter
- noise reduction
- noisy images
- frequency domain
- direct sequence spread spectrum
- fingerprint recognition
- noisy data
- stochastic resonance
- noise model
- original signal
- fingerprint matching
- non stationary
- missing data
- weak signal
- image processing
- short time fourier transform
- nonlinear filters
- protection scheme
- fusion method
- gaussian noise
- information security
- denoising