Inspec keywords: photoplethysmography; medical signal processing; acceleration measurement; signal denoising; feature extraction; biomedical equipment; body sensor networks; accelerometers; oximetry; time-domain analysis; patient monitoring

Other keywords: pulse oximetry; wearable physiological-monitoring device; accelerometer sensor; ambulatory patients; exemplar wearable wrist-worn monitoring system; time-domain HRV features; long-duration windows; substantial energy; clinical practice; acquired signals; photoplethysmogram; HR variability features; error propagation profiling; noise; heart-rate sensor; HR estimation; PPG-HRV features; high-frequency band; consumer domain

Subjects: Biology and medical computing; Signal processing and detection; Optical and laser radiation (medical uses); Optical and laser radiation (biomedical imaging/measurement); Haemodynamics, pneumodynamics; Sensing devices and transducers; Digital signal processing; Sensing and detecting devices; Velocity, acceleration and rotation measurement; Wireless sensor networks; Velocity, acceleration and rotation measurement; Patient diagnostic methods and instrumentation