一种新的高动态范围图像色调实时映射方法

2014 4th IEEE International Conference on Information Science and Technology Pub Date : 2014-04-26 DOI:10.1109/ICIST.2014.6920510

Qingquan Wu, Zuofeng Zhou, Hanbing Leng, Jianzhong Cao, Jihong Wang, Zhendong Gong, Xinming Fan, Huinan Guo

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引用次数: 3

摘要

色调映射技术可以将高动态范围(HDR)图像转换为低动态范围(LDR)图像，从而在标准的LDR显示器上实现HDR图像的精确可视化。现有的色调映射方法大多不能在保持良好可视化的同时实现实时处理。利用自适应三段查找表，提出了一种有效的、高质量的、实时的12位图像到8位图像的转换技术，该技术可以同时保留丰富的细节和高对比度。实验结果表明，该方法可以显著改善图像的弱信号，在8位显示器上可以清晰地观察到低亮度细节。

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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A novel real-time method for high dynamic range image tone mapping

Tone-mapping technique which can convert high dynamic range (HDR) to low dynamic range (LDR) images provides accurately visualization of HDR images on standard LDR displays. Most of the existing tone-mapping method could not realize real time processing while preserving good visualization. Utilizing an adaptive three-section lookup table, this paper proposes an effective, high quality, real time technique to convert 12-bit images to 8-bit image which can preserve abundant details and high contrast simultaneously. Experiment results show that this method can improve the weak signals of the image greatly, and the low luminance details can be observed distinctly on an 8-bit monitor.

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2014 4th IEEE International Conference on Information Science and Technology

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