Audio Replay Attack Detection Using High-Frequency Features.
Marcin WitkowskiStanislaw KacprzakPiotr ZelaskoKonrad KowalczykJakub GalkaPublished in: INTERSPEECH (2017)
Keyphrases
- high frequency
- low frequency
- discrete wavelet transform
- visual quality
- wavelet transform
- feature extraction
- wavelet coefficients
- subband
- low level
- feature vectors
- feature space
- multimedia
- feature set
- high resolution
- low pass
- frequency band
- multi resolution analysis
- bit rate
- visual information
- wavelet domain
- high quality
- audio features
- high frequency components
- high frequencies