Non-contact heart rate measurement from face video based on group sparse representation.
Weihua OuLongbao ChenJiahao XiongJie HanWu ZengJianping GouPublished in: Digit. Signal Process. (2024)
Keyphrases
- sparse representation
- heart rate
- dictionary learning
- blood pressure
- sparse coding
- face recognition
- image classification
- sparse reconstruction
- joint optimization
- signal processing
- compressive sensing
- image patches
- sparse approximations
- physiological signals
- compressed sensing
- high dimensional data
- heart rate variability
- random projections
- image representation
- ecg signals
- dimensionality reduction
- face images
- physical activity
- sparse coefficients
- regularized least squares
- vital signs
- neural network
- test images
- sparsity constraints
- feature selection
- video sequences
- computer vision
- higher order
- natural images