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首页> 外文期刊>Journal of visual communication & image representation >An adaptive algorithm for the display of high-dynamic range images
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An adaptive algorithm for the display of high-dynamic range images

机译：用于显示高动态范围图像的自适应算法

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摘要

A novel algorithm based on spatial and statistical information is proposed for the display of high-dynamic range (HDR) images. In our proposed algorithm, an image is first decomposed into a base layer and a detailed layer, which represent its smoothed and fine details, respectively. The problem of overall impression preservation is regarded as a global issue in our algorithm. Statistical-based histogram adjustment is employed to deal with the base layer. The reproduction of visual details is regarded as a local issue. The detailed layer obtained using a spatial filter is adaptively enhanced according to the mapping function used for the base layer. The main contributions of our algorithm are that: (1) an adaptive detail-enhancement method is proposed and (2) a gain map is defined to combine the local and global issues. Experimental results show the superior performance of our approach in terms of visual quality.
机译：提出了一种基于空间和统计信息的新颖算法，用于显示高动态范围（HDR）图像。在我们提出的算法中，图像首先分解为基础层和详细层，分别代表其平滑和精细的细节。整体印象保留问题在我们的算法中被视为一个全局问题。基于统计的直方图调整用于处理基础层。视觉细节的再现被视为本地问题。根据用于基础层的映射功能，自适应地增强使用空间滤波器获得的详细层。该算法的主要贡献在于：（1）提出了一种自适应的细节增强方法，（2）定义了一个增益图以结合局部和全局问题。实验结果显示了我们的方法在视觉质量方面的优越性能。

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