Noncontact Heart Rate Measurement Based on an Improved Convolutional Sparse Coding Method Using IR-UWB Radar.
Pengfei WangFugui QiMiao LiuFulai LiangHuijun XueYang ZhangHao LvJianqi WangPublished in: IEEE Access (2019)
Keyphrases
- coding method
- heart rate
- sparse coding
- sparse representation
- natural images
- blood pressure
- ultra wide band
- linear combination
- physical activity
- unsupervised learning
- image classification
- shape coding
- image representation
- heart rate variability
- physiological signals
- coding scheme
- entropy coding
- high dimensional
- ultra wideband
- feature space
- bit rate
- generative model
- signal processing
- compression ratio
- image patches
- vital signs
- higher order
- inter frame
- visual words
- compression algorithm
- bag of words
- high quality