Patent ID: 8704653

Claim:
Method to selectively project graphical images upon a transparent windscreen head up display of a vehicle based upon a need for enhanced vision, the method comprising: monitoring informational inputs corresponding to features of a roadway needed for travel, critical information perceived as a threat to the vehicle and an operational environment for the vehicle; determining a degree of importance of the critical information; determining a measure of visual conditions based on the operational environment for the vehicle; comparing the measure of visual conditions to a threshold visual condition, said threshold visual condition adjustable based on the degree of importance of the critical information; determining the need for enhanced vision based on the measure of visual conditions violating the threshold visual condition; generating display requirements for the features of the roadway based on the need for enhanced vision; generating the graphical images corresponding to the features of the roadway to be projected based upon the display requirements; and projecting the graphical images upon the transparent windscreen head up display.