Vigilance estimation using truncated l1 distance kernel-based sparse representation regression with physiological signals.
Xuan ZhangDixin WangHongtong WuJinlong ChaoJitao ZhongHong PengBin HuPublished in: Comput. Methods Programs Biomed. (2023)
Keyphrases
- sparse representation
- physiological signals
- sparse approximations
- dictionary learning
- sparse coding
- compressive sensing
- face recognition
- image classification
- image representation
- image patches
- dimensionality reduction
- regression model
- emotion recognition
- signal processing
- object tracking
- joint optimization
- heart rate
- high dimensional data
- support vector
- daily life
- data sets
- support vector machine
- emotional state
- ground truth
- human subjects
- activity recognition