Detection of replay signals using excitation source and shifted CQCC features.
Krishna DuttaMadhusudan SinghDebadatta PatiPublished in: Int. J. Speech Technol. (2021)
Keyphrases
- low level
- automatic detection
- false positives
- image features
- feature set
- signal processing
- detection method
- detection algorithm
- support vector machine classifier
- object detection
- adaboost classifier
- object recognition
- human detection
- extracted features
- spatial information
- hough transform
- benchmark datasets
- anomaly detection
- principal component analysis
- prior knowledge
- feature vectors