US Patent 7924146 Daytime pedestrian detection on full-windscreen head-up display

A substantially transparent windscreen head up display includes a display having one of light emitting particles or microstructures over a predefined region of the windscreen permitting luminescent display while permitting vision through the windscreen. A method to represent graphical images upon the substantially transparent windscreen head up display of a vehicle alerting to pedestrian traffic includes monitoring informational inputs detecting a location of a pedestrian, monitoring data related to a location of the eyes of an occupant of the vehicle, determining a graphical image to register the location of the pedestrian upon the substantially transparent windscreen head up display based upon the informational inputs and the data related to the location of the eyes of an occupant, and displaying the graphical image upon the substantially transparent windscreen head up display.