Thermal modelling of multicolor LED luminaire via scaling of a heat sink to aid user wellness

Colaco, Anitha M

doi:10.1016/j.displa.2022.102270

Cited by 3 publications

(2 citation statements)

References 38 publications

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“…The temperature signals recorded by the thermal camera are directly similar to the pulse wave, but its shape is noisy, shifted, and smoothed due to the inclusion of targeted information as well as noise coming from the environment and other physiological signals. [27][28][29][30][31] The change in body surface temperature is the result of heat exchange by convection and conduction of blood vessels and the surrounding tissues in blood flow under the body surface. To resolve heart-related information such as heart rate, we established the bioheat transfer model.…”

Section: Thermal Imagingmentioning

confidence: 99%

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Recent Progress of Optical Imaging Approaches for Noncontact Physiological Signal Measurement: A Review

Zhang

et al. 2023

Advanced Intelligent Systems

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In recent years, optical imaging techniques have gained wide recognition for the measurement of vital signals, such as heart rate, respiratory rate, oxygen saturation, and blood pressure, which are crucial indicators for evaluating human health conditions in clinical examinations. There is a wide range of optical imaging methods for remote physiological signal monitoring, including RGB imaging, thermal imaging, hyperspectral imaging, depth imaging, and multimodal imaging, which provide spatial information compared to other noncontact measurement approaches, thereby allowing extensive applications in this area. In this survey, some fundamental knowledge about optical imaging methods for vital signal measurement is reviewed, including principles of various optical imaging techniques, processing methods for data analysis, discussion on advantages and disadvantages, application summary, and future prospects. This is a comprehensive overview of the noncontact physiological signal measurement of optical imaging approaches.

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