公开(公告)号：US20190239761A1

公开(公告)日：2019-08-08

申请号：US16335480

申请日：2017-09-21

Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

Inventor： Nongjian Tao ,  Yuting Yang

IPC: A61B5/024 ,  A61B5/08 ,  H04N9/73 ,  G06T7/20 ,  G06T7/00

CPC classification number: A61B5/02416 ,  A61B5/0077 ,  A61B5/0806 ,  A61B2576/00 ,  G06T5/40 ,  G06T5/50 ,  G06T7/00 ,  G06T7/0012 ,  G06T7/0016 ,  G06T7/20 ,  G06T7/33 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/30076 ,  H04N9/735

Abstract: Provided herein are systems and methods for computer monitoring of remote photoplethysmography (rPPG) from camera images based on chromaticity in a converted color space, which reduces motion-induced artifacts in camera images for improved rPPG computer monitoring of physiological parameters. In particular, a rPPG system for monitoring at least one physiological parameter from image data is disclosed herein. A processor subsystem electronically receives a first image data set representative of a series of consecutive images of at least a portion of a living body. The processor subsystem converts the first image data set from a first color space to a second color space to generate a second image data set including first channel data comprising a luminance component and second channel data comprising a chromatic component. The processor subsystem processes the second channel data to monitor the at least one physiological parameter of the living body.

公开(公告)号：US11229372B2

公开(公告)日：2022-01-25

申请号：US16335480

申请日：2017-09-21

Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

Inventor： Nongjian Tao ,  Yuting Yang

IPC: A61B5/02 ,  A61B5/024 ,  G06T7/20 ,  G06T5/50 ,  G06T7/00 ,  G06T7/33 ,  A61B5/00 ,  G06T5/40 ,  A61B5/08 ,  H04N9/73

Abstract: Provided herein are systems and methods for computer monitoring of remote photoplethysmography (rPPG) from camera images based on chromaticity in a converted color space, which reduces motion-induced artifacts in camera images for improved rPPG computer monitoring of physiological parameters. In particular, a rPPG system for monitoring at least one physiological parameter from image data is disclosed herein. A processor subsystem electronically receives a first image data set representative of a series of consecutive images of at least a portion of a living body. The processor subsystem converts the first image data set from a first color space to a second color space to generate a second image data set including first channel data comprising a luminance component and second channel data comprising a chromatic component. The processor subsystem processes the second channel data to monitor the at least one physiological parameter of the living body.