Wavelet based dictionaries for dimensionality reduction of ECG signals.
Laura Rebollo-NeiraDana CernáPublished in: Biomed. Signal Process. Control. (2019)
Keyphrases
- ecg signals
- dimensionality reduction
- sparse representation
- feature space
- high dimensional data
- heart rate
- multiresolution
- high dimensional
- wavelet transform
- feature extraction
- pattern recognition
- manifold learning
- principal component analysis
- data representation
- high dimensionality
- low dimensional
- image compression
- power line
- feature selection
- electrical activity
- structure preserving
- linear discriminant analysis
- pattern recognition and machine learning
- atrial fibrillation
- wavelet domain
- critical care
- data sets
- principal components
- dimensionality reduction methods
- nonlinear dimensionality reduction
- random projections
- biomedical signals
- lyapunov exponents
- mit bih arrhythmia database
- image patches
- heart rate variability
- image processing
- neural network
- kernel pca
- kernel learning
- wavelet coefficients
- semi supervised
- knn
- data points
- beat classification