Mr. Weiwei Duan Profile

Weiwei Duan

Student at Xi'an Inst of Optics and Precision Mechanics

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Proceedings Article | 21 July 2017 Paper

New segmentation-based tone mapping algorithm for high dynamic range image

Weiwei Duan, Huinan Guo, Zuofeng Zhou, Huimin Huang, Jianzhong Cao

Proceedings Volume 10420, 104202Z (2017) https://doi.org/10.1117/12.2282031

KEYWORDS: Image segmentation, High dynamic range imaging

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The traditional tone mapping algorithm for the display of high dynamic range (HDR) image has the drawback of losing the impression of brightness, contrast and color information. To overcome this phenomenon, we propose a new tone mapping algorithm based on dividing the image into different exposure regions in this paper. Firstly, the over-exposure region is determined using the Local Binary Pattern information of HDR image. Then, based on the peak and average gray of the histogram, the under-exposure and normal-exposure region of HDR image are selected separately. Finally, the different exposure regions are mapped by differentiated tone mapping methods to get the final result. The experiment results show that the proposed algorithm achieve the better performance both in visual quality and objective contrast criterion than other algorithms.

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