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Multiple Exposure Fusion for High Dynamic Range Image Acquisition

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2 Author(s)
Jinno, T. ; Fac. of Environ. Eng., Univ. of Kitakyushu, Kitakyushu, Japan ; Okuda, M.

A multiple exposure fusion to enhance the dynamic range of an image is proposed. The construction of high dynamic range images (HDRIs) is performed by combining multiple images taken with different exposures and estimating the irradiance value for each pixel. This is a common process for HDRI acquisition. During this process, displacements of the images caused by object movements often yield motion blur and ghosting artifacts. To address the problem, this paper presents an efficient and accurate multiple exposure fusion technique for the HDRI acquisition. Our method simultaneously estimates displacements and occlusion and saturation regions by using maximum a posteriori estimation and constructs motion-blur-free HDRIs. We also propose a new weighting scheme for the multiple image fusion. We demonstrate that our HDRI acquisition algorithm is accurate, even for images with large motion.

Published in:

Image Processing, IEEE Transactions on  (Volume:21 ,  Issue: 1 )