Abstract
For the modern multimedia devices, display resolution and image
quality are actively improved nowadays. Although such improvement
can produce the high visual perception for the observer, the power
consumption becomes an inevasible problem as it is rising progressively.
In order to achieve a good balance between visual perception and power
consumption, we propose a histogram-based power saving algorithm to
improve the image contrast for OLED display panels. The proposed algorithm
modifies the empty bins of the image histogram as a pre-process of
power reduction. Furthermore, the visual effect is compensated using
the power saving histogram equalization algorithm. Experimental results
show that the proposed algorithm not only decreases the display power
to be lower than that of compared algorithms, but also generates the
highly perceptual contrast of the images.
© 2015 IEEE
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