Abstract
Recently, three-dimensional (3D) object reconstruction using photon counting
integral imaging (PCII) based on grayscale elemental images has been reported. In this
paper, we present a multispectral PCII system using Bayer elemental images for
multispectral visualization of photon limited 3D scenes. We measure the accuracy as well
as the speed of demosaicing algorithms to estimate multispectral 3D scenes at low light
levels. Experimental results demonstrate that the gradient corrected linear
interpolation technique achieves better performance in terms of peak-to-SNR (PSNR) and
faster computation.
© 2013 IEEE
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