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A Visible/Infrared Fusion Algorithm for Distributed Smart Cameras

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3 Author(s)
Cheng-Yao Chen ; Dept. of Electr. Eng., Princeton Univ., Princeton, NJ ; Tai-Ming Lin ; Wolf, W.H.

This paper describes an algorithm for visible/infrared fusion for video surveillance. Our technique combines signal-level and decision-level multispectral information fusion. We combine several techniques: we model observations in each spectral channel by a typical pixel-level mixture-of-Gaussian-based model; we model high level factors such as confidence of each modality, motion, object area, and lighting with a hierarchical probabilistic model. Our hierarchical model improves performance under global illumination changes, random parameter failures of background subtraction, occlusion and merge/split.

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Selected Topics in Signal Processing, IEEE Journal of  (Volume:2 ,  Issue: 4 )