Feature extraction based on the high-pass filtering of audio signals for Acoustic Event Classification.
Jimmy Ludeña-ChoezAscensión Gallardo-AntolínPublished in: Comput. Speech Lang. (2015)
Keyphrases
- feature extraction
- high pass
- audio signals
- low pass
- feature vectors
- frequency domain
- feature selection
- image classification
- wavelet transform
- feature space
- pattern recognition
- speaker identification
- bandpass
- machine learning
- audio signal
- extracted features
- gaussian mixture model
- high quality
- multiresolution
- similarity measure
- high frequency
- subband
- texture analysis
- image quality
- face recognition
- classification accuracy
- hidden markov models
- image processing