Image Number 2 for United States Patent #5380204.
A night vision goggle aided flight simulation system and technique allows an flight simulator operator wearing night vision goggles to view an approximate simulation of night vision goggle aided flight. A processor generates at least one look-up table of brightness values utilizing database sources including any selected options. A scene generation computer will then generate the scene image with the contrast based on values provided by the look-up table. An image display system displays the scene at light levels with sufficient dynamic range so that approximate simulation of night vision goggle aided flight is achieved. A neutral density filter can be placed over a CRT display if the CRT display as the display system cannot produce sufficient dynamic range.