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Depth rendering of large incoherent scenes from integral images

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Abstract

Integral imaging is a technique that provides the spatial and angular information of three-dimensional (3D) scenes through a single shot. Taking advantage of this capability, different applications have been developed. Some of these applications are the 3D display and digital post-processing, in particular depth-reconstruction from integral images. In this contribution, we have developed a new depth reconstruction method based on the 2D deconvolution between the integral image and the non-diffractive impulse response function (IRF) of the integral imaging (InI) system. The IRF of an InI system has a periodic structure that is directly related with the position of the object on the optical axis. By changing the period of the impulse response we can select the appropriate depth of the reconstructed images. An advantage of our method is that it allows us to obtain alternative reconstructions by considering non-conventional synthetic impulse responses. Our experiments show the feasibility of the proposed method.

© 2016 Optical Society of America

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