Abstract: Remote Photoplethysmography (rPPG) is a non-contact method for measuring heart rate (HR) through facial video, breaking the constraints of contact measurements and offering broad application ...
A 3,700-year-old Babylonian clay tablet reveals the oldest known trigonometric table, showing ancient scribes used precise ...
Abstract: Aperiodic spike noise signals generated by pulse–frequency modulation (PFM)-controlled direct-current (DC)–DC converters introduce random jitter into the switching timing, rendering it ...
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