The Boeing Company
Augmented contrast limited adaptive histogram equalization

Abstract:

The present disclosure relates to imaging systems, aerial refueling aircraft, and methods relating to the processing of images. An example imaging system includes at least one camera, a display, and a controller. The controller includes at least one processor and a memory. The controller is configured to carry out operations. The operations include receiving at least one image from the at least one camera. The operations additionally include adjusting the at least one image to provide at least one adjusted image. Adjusting the at least one image includes applying: a local adaptive histogram equalization filter, a global gamma correction filter, and a local contrast filter. The operations also include outputting the at least one adjusted image to the display.