Abstract: Design and development of an accurate and reliable pulse oximeter depend on various critical components ranging from sensors, cabling and electronics, signal processing, value estimation and ...

Abstract: Recent studies investigated the feasibility of using an RGB camera to estimate peripheral oxygen saturation (SpO2), i.e., “Ratio of Ratios” by red (R) and green (G) channels and calibration ...

Radiometric calibration is an essential process that converts raw digital counts recorded by Earth observation sensors into meaningful physical units, such as spectral radiance or top‐of‐atmosphere ...

HealthSense-IoT is a complete early-warning system for personal health. It blends a compact ESP32 sensor node with AI analytics, a fast API backend, and a modern web dashboard. The system tracks ...

The bioengineer Takuo Aoyagi died in Tokyo in April, around the same time that people began clamouring to panic buy his 1970s invention, the pulse oximeter. Blood oxygen saturation, which pulse ...

Fitbit launched its first proper smartwatch in 2017. The Ionic, along with most of its recent wearables, features a dormant SpO2 sensor that can be used for blood oxygen tracking. More users are now ...