Automatic camera adjustment for remote photoplethysmography
US10045702B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2014 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Feb 1, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30076
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a device (12) for obtaining a vital sign of a subject (14), comprising an interface (22) for receiving a set of image frames (24) of a subject (14), a signal extraction unit (26) for extracting a photoplethysmographic (PPG) signal of the subject (14) from said set of image frames (24), a signal evaluation unit (28) for determining a feature of said PPG signal indicative of the information content of the extracted PPG signal with respect to a desired vital sign of the subject (14), a processing unit (30) for determining a binning configuration based on the determined feature of the extracted PPG signal, said binning configuration being provided for controlling binning of image pixels of an image frame; and a vital signs determination unit (32) for determining vital sign information from the extracted PPG signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.