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Picture level control method for bright regions of HDR images in power management of large AMOLED displays

机译:大型AMOLED显示器电源管理中HDR图像亮区的图片级控制方法

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Herein, a picture control method designed to facilitate power management of large active-matrix organic-light-emitting-diode displays is proposed. In this method, Hybrid Log-Gamma (HLG) pictures are presented simply by multiplying the upper half of the picture level by the gain corresponding to the power suppression. HLG is a standard for high-dynamic-range images. The controlled picture is processed by nominal luminance transformation, as well as by color conversion from red-green-blue into hue-saturation-value (HSV) imagery. Results obtained via simulations show that high-contrast HLG pictures can be better simulated by our proposed method than by currently used conventional methods. The simulation results also demonstrate that when the picture is presented using the proposed power consumption management method, both the dark and bright regions show less deterioration. In addition, through an examination of image histograms created to elucidate detail descriptions of simulated pictures in the red-green-blue and HSV color spaces, we found that using HSV color conversion in conjunction with the proposed method mitigates chromaticity shift and that the feasibility of HSV color conversions could be quantitatively clarified by the evaluation of color differences defined by the Euclidean distance in a uniform color space.
机译:这里,提出了一种图片控制方法,该图片控制方法旨在促进大型有源矩阵有机发光二极管显示器的功率管理。在这种方法中,只需将图片电平的上半部分乘以对应于功率抑制的增益,即可显示混合对数伽玛(HLG)图片。 HLG是高动态范围图像的标准。受控图片通过标称亮度转换以及从红绿蓝到色相饱和度(HSV)图像的颜色转换进行处理。通过仿真获得的结果表明,与当前使用的常规方法相比,我们提出的方法可以更好地仿真高对比度的HLG图片。仿真结果还表明,使用建议的功耗管理方法显示图片时,暗区和亮区均显示较少的劣化。此外,通过检查图像直方图以阐明红绿蓝和HSV颜色空间中模拟图片的详细描述,我们发现结合使用HSV颜色转换和所提出的方法可以减轻色度偏移,并且可以发现HSV颜色转换可以通过在均匀颜色空间中通过欧几里德距离定义的色差评估来定量澄清。

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