Patent ID: 8902070
Filing Date: 2014-12-02
Classification: A61B,B60K,G06K,G08B,H04N,Y02T

Abstract:
1. A monitoring system for monitoring and/or predicting drowsiness of a driver of a vehicle or a machinery operator, the system being adapted to be arranged in the vehicle or at the machinery, comprising: a set of infrared or near infrared light sources, each light source being arranged in the vehicle or at the machinery such that a substantial amount of light emitted therefrom incidents on an eye of the driver or operator, the emitted light thereby forming an image on the eye; an image sensor positioned such that light reflected from the eye can be captured in an image and is adapted to generate a sequence of images over time, wherein each image contains glints from at least a subset of said light sources; an image processing unit adapted to extract information from the glints in the sequence of images by processing the sequence of images; and a determining unit adapted to