Abstract
A novel ghost-free exposure fusion method for generating an HDR image of a dynamic scene is presented in this paper. Given a sequence of input images with gradually increased exposures, due to the theory that the luminance is linearly depended on the exposure time (Mertens et al. Comput Graph Forum 28(1):161–171, 2009), each input image is normalized to make it have consistent luminance with a reference image. Then moving objects in the dynamic scene are detected using a modified difference method for further exposure fusion. Experiments and comparisons show that our method has advantage in deghosting when the reference image contains saturated regions and generate high-quality results with natural textures. Furthermore, our method has a largely improved timing performance compared with previous reference-guided methods.
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Acknowledgements
This work is supported by the Project of High-level Talents Research Foundation of Jinling Institute of Technology (jit-b-201802) and the Project of Shandong Province Higher Educational Science and Technology Program under grant (No.J17 KB184).
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Wang, C., He, C. A novel deghosting method for exposure fusion. Multimed Tools Appl 77, 31911–31928 (2018). https://doi.org/10.1007/s11042-018-6261-5
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DOI: https://doi.org/10.1007/s11042-018-6261-5