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In this paper, an optimized backlight power saving algorithm using joint power-peak signal-to-noise ratio (PSNR) characteristics among multiple frames is proposed. In existing state-of-the-art methods, the optimal decision for clipping point is made only with consideration of current frame, and the target frame PSNR are set the same for all frames. Therefore they have the same power-PSNR performance...
In this paper, we propose a method to adjust the reference point of the existing work for gray-level mapping between the input and output image, to balance between image quality and power consumption in OLED (organic light-emitting diode). The proposed algorithm is aiming to achieve good balance between video quality and power consumption. The experiment results show that our work is better than the...
The backlight power saving for LCD is an important research topic, since the backlight is the main source of energy consumption. Typically, the backlight power saving is done by limiting the dynamic range of the displayed pixels; the image quality will decreased. And how to maintain the image quality becomes the important issue. In this work, we propose to use a well-known video quality metric called...
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