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中文摘要：
图像传感器动态响应范同的局限使其在捕捉高动态范围场景时力不从心，为了捕捉高动态范用图像（High dynamic rangeimage，HDRI），近年米出现了许多新型传感器和新方法，本文将简要介绍这些研究进展；同样由于动态响应范阐的局限，显示设备也不能胜任HDRI的显示，必须利用色阶映射算子（Tone mapping operator，TMO）将图像的动态范围进行合理的压缩，TMO最终决定了图像显示的质量，本文将众多的TMO归纳为全局算子和局部算子并进行了详细论述．
英文摘要：
The existing digital image capture device is not competent for the task of recording the vast-varying luminance range in the real world. In this paper, we first introduced the developments of high dynamic range image （HDRI） capture technology and the HDRI encoding format. To display such an HDRI in the traditional display device （CRT, LCD or printer）, the dynamic range mismatch between image and display must be overcome by a tone mapping operator （TMO）. An ideal TMO must keep a consistent perceptual experience between the displayed image and the real world scene. In recent years, many TMOs have been proposed, we summarized them into two types （global and local） and gave a detailed explanation.
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