Patent ID: 11893736
Assignee: VR MEDIA TECHNOLOGY, INC.
Field: Medical technology (Instruments)
Classification: CPC G  A | IPC A  G

Claim 9:
10. The hyperspectral facial analysis system of claim 9, wherein
said plurality of subject images comprise a pair of visible spectrum images of said face of said subject with different polarizations; and,
said calculate said one or more health metrics of said subject comprises
identify under-eye regions of said pair of visible spectrum images;
identify high-luminance, low-saturation pixels of said under-eye regions of said pair of visible spectrum images;
calculate a difference between
said high-luminance, low-saturation pixels of under-eye regions of a first image of said pair of visible spectrum images, and
said high-luminance, low-saturation pixels of under-eye regions of a second image of said pair of visible spectrum images;

calculate a relative difference based on a comparison of said difference to said one or more of said plurality of reference population distributions;
calculate said sweat based on said relative difference.