Separating reflections from a single image using spatial smoothness and structure information

Authors:
Qing Yan;Ercan E. Kuruoglu;Xiaokang Yang;Yi Xu;Koray Kayabol
Affiliations:
The Institute of Image Communication and Information Processing, Shanghai, China and Shanghai Key Lab of Digital Media Processing and Transmission, Shanghai, China;ISTI, CNR, Pisa, Italy;The Institute of Image Communication and Information Processing, Shanghai, China and Shanghai Key Lab of Digital Media Processing and Transmission, Shanghai, China;The Institute of Image Communication and Information Processing, Shanghai, China and Shanghai Key Lab of Digital Media Processing and Transmission, Shanghai, China;ISTI, CNR, Pisa, Italy
Venue:
LVA/ICA'10 Proceedings of the 9th international conference on Latent variable analysis and signal separation
Year:
2010

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Abstract

We adopt two priors to realize reflection separation from a single image, namely spatial smoothness, which is based on pixels' color dependency, and structure difference, which is got from different source images (transmitted image and reflected image) and different color channels of the same image. By analysing the optical model of reflection, we simplify the mixing matrix further and realize the method for getting spatially varying mixing coefficients. Based on the priors and using Gibbs sampling and appropriate probability density with Bayesian framework, our approach can achieve impressive results for many real world images that corrupted with reflections.