Invention Publication
- Patent Title: SYSTEM FOR MONITORING AN OCCUPANT OF A MOTOR VEHICLE
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Application No.: US18284034Application Date: 2022-03-14
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Publication No.: US20240164652A1Publication Date: 2024-05-23
- Inventor: Nicolas Ringelstein , Frederic Autran
- Applicant: VALEO COMFORT AND DRIVING ASSISTANCE
- Applicant Address: FR Créteil
- Assignee: VALEO COMFORT AND DRIVING ASSISTANCE
- Current Assignee: VALEO COMFORT AND DRIVING ASSISTANCE
- Current Assignee Address: FR Créteil
- Priority: FR 03023 2021.03.25
- International Application: PCT/EP2022/056533 2022.03.14
- Date entered country: 2023-09-25
- Main IPC: A61B5/024
- IPC: A61B5/024 ; A61B5/00
Abstract:
The monitoring system (1) comprises:
a light source (3),
an image acquisition device (5) comprising a shutter (11) which allows light to pass during a period (P1) when the source is active and during a period (P2) when the source is inactive, the light received by a sensor (9) comprising a component (Ca) due to ambient illumination and a component (Ci) due to the light source;
a processing unit (7) configured for determining a physiological parameter of the occupant by photoplethysmography.
The shutter (11) allows light to pass during a third period (P3), said light comprising the component (Ca) due to ambient illumination and the processing unit (7) being configured for subtracting this component (Ca) from the light received (9) during the other two periods for the purpose of isolating the component (Ci) due to the source in acquired images.
a light source (3),
an image acquisition device (5) comprising a shutter (11) which allows light to pass during a period (P1) when the source is active and during a period (P2) when the source is inactive, the light received by a sensor (9) comprising a component (Ca) due to ambient illumination and a component (Ci) due to the light source;
a processing unit (7) configured for determining a physiological parameter of the occupant by photoplethysmography.
The shutter (11) allows light to pass during a third period (P3), said light comprising the component (Ca) due to ambient illumination and the processing unit (7) being configured for subtracting this component (Ca) from the light received (9) during the other two periods for the purpose of isolating the component (Ci) due to the source in acquired images.
Information query
