US Patent 10109228 Method and apparatus for HDR on-demand attenuation control

In a method of attenuating image brightness in a high dynamic range (HDR) display device, the method includes: receiving, by a processor, an incoming data stream comprising image data; detecting, by the processor, a trigger for attenuating a brightness level of a first image corresponding to the image data; generating, by the processor, output image data for a second image based on the first image, wherein the second image has a different average brightness level than the first image; and displaying, by the processor, the second image on the HDR display device.