Patent Document ID: 9671328
Application ID: 15148722
Patent Status: 1

Claim One:
1. An automated system that detects and determines reflective surfaces of interest in a scene of non-retroreflective surfaces along a roadway that is being traversed by a vehicle, the automated system comprising: an image capture system that captures images within a field of view along the roadway; an active light sensor including: a light source that illuminates an area along the roadway; and a light sensor that measures light intensity values within at least a portion of the area illuminated by the light source; and a computer processing system operably connected to the image capture system, and the active light sensor and configured to detect objects of interest within the field of view and for each object of interest: determine whether the object of interest includes a reflective surface based on the light intensity values; determine whether the reflective surface is a road marker based on an assessment of the reflective surface; and determine a location of the road marker.