彩色照片自动照度补偿

2011 9th World Congress on Intelligent Control and Automation Pub Date : 2011-06-21 DOI:10.1109/WCICA.2011.5970553

Jzau-Sheng Lin, P. Liu, Yu-Yi Liao, S. Tai

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引用次数: 0

摘要

提出了一种彩色照片照度自动补偿的新方法。首先，我们假设照片有自己的参考亮度水平，用原始亮度减去参考亮度水平得到每个像素点的特征亮度。然后，根据期望目标亮度调整特征亮度，得到标定亮度。照片中的直线或斜线引起光晕伪影。因此，本文提出的方法还通过对原始亮度和参考亮度进行alpha混合来减小HALO伪影。最后，我们还通过应用不同比例的alpha混合原始图像和固定层，提供了基于人类感知的不同结果照片。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Automatic illumination compensation of color photos

We present the novel method for automatic illumination compensation of color photos. Firstly, we suppose the photo has its own reference luminance level to get the characteristic luminance of each pixel by subtracting reference luminance level from original luminance. Next, the calibrated luminance is obtained by adjusting the characteristic luminance according to expected target luminance. The straight lines or oblique lines in photo are causing the HALO artifact. Therefore, the proposed method also reduces the HALO artifact using applying alpha blending original luminance and reference luminance level. Finally, we also provide the different resulted photos that are based on human perception by applying various proportions of alpha blending original image and fix layer.

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2011 9th World Congress on Intelligent Control and Automation

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