The present invention relates to a system for determining vital sign information of a subject and a marker for use in determining vital sign information of a subject. An embodiment of a marker comprises a marker area that emits light towards a skin of the subject for determining vital sign information from the reflected light, and attachment element that attaches the marker to the subject. An embodiment of a system further comprises a detection unit that detects radiation emitted by the marker towards a skin of the subject and reflected from the skin of the subject, and an analysis unit that determines the vital sign information of the subject from the detected radiation reflected from the skin of the subject.
