IEEE Trans Image Process - Multiple exposure fusion for high dynamic range image acquisition.

Tópicos

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Resumo

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.

Resumo Limpo

multipl exposur fusion enhanc dynam rang imag propos construct high dynam rang imag hdris perform combin multipl imag taken differ exposur estim irradi valu pixel common process hdri acquisit process displac imag caus object movement often yield motion blur ghost artifact address problem paper present effici accur multipl exposur fusion techniqu hdri acquisit method simultan estim displac occlus satur region use maximum posteriori estim construct motionblurfre hdris also propos new weight scheme multipl imag fusion demonstr hdri acquisit algorithm accur even imag larg motion

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