Fetal ECG Extraction from Sparse Representation of Multichannel Abdominal Recordings.
Parya TavoosiFereshteh HaghiPega ZarjamGhasem AzemiPublished in: Circuits Syst. Signal Process. (2022)
Keyphrases
- sparse representation
- heart rate
- signal processing
- heart rate variability
- dictionary learning
- single channel
- sparse coding
- image classification
- reconstruction error
- compressed sensing
- face recognition
- compressive sensing
- joint optimization
- negative matrix factorization
- image patches
- random projections
- piecewise smooth
- mit bih arrhythmia database
- regularized least squares
- sparse reconstruction
- sparse codes
- high dimensional data
- image representation
- test images
- ecg signals
- dimensionality reduction
- principal component analysis
- sparsity constraints
- sparse learning
- pattern recognition
- feature extraction
- sparse approximations
- bag of words
- data points
- image segmentation
- sparse coefficients
- image processing