Replay attack detection using variable-frequency resolution phase and magnitude features.
Meng LiuLongbiao WangJianwu DangKong Aik LeeSeiichi NakagawaPublished in: Comput. Speech Lang. (2021)
Keyphrases
- false positives
- detection method
- object detection
- automatic detection
- detection algorithm
- low level
- false alarms
- detection rate
- co occurrence
- video sequences
- feature extraction
- learning phase
- detection accuracy
- phase information
- support vector machine classifier
- data sets
- frequency analysis
- feature detection
- feature set
- image features
- feature vectors
- feature space
- learning algorithm