| 摘要 |
Embodiments of a system that includes one or more integrated circuits are described. During operation, the system receives a video image. Then, the system jointly modifies brightness values of pixels in at least a portion of the video image and an intensity setting of a light source to maintain light output from a display while reducing power consumption by the light source, where the light source is configured to illuminate the display that is configured to display video images. Next, the system adjusts color content in the video image to correct for a dependence of a spectrum of the light source on the intensity setting.
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