| 摘要 |
The present invention relates to a device for determining a vital sign of a subject comprising an interface (32) for receiving a data stream (26) derived from detected electromagnetic radiation (16) reflected from a region of interest including a skin area of the subject (12), said data stream (26) comprising a data signal per skin pixel area of one or more skin pixels for a plurality of skin pixel areas of said region of interest, a data signal representing the detected electromagnetic radiation (16) reflected from the respective skin pixel area over time. An analyzer (34) is provided for analyzing spatial and/or optical properties of one or more data signals in one or more wavelength ranges. A processor (36) is provided for determining a vital sign information signal of the subject based on the data signals of skin pixel areas within the skin area, and a post-processor (38) is provided for determining the desired vital sign from said vital sign information signal. The determined spatial and/or optical properties are used by the processor for determining the vital sign information signal and/or by the post-processor for determining the desired vital sign. |
