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Revolutionary Enhancement of Visibility by Exploiting Active Light-fields (REVEAL)


Thursday, July 30, 2015

The goal of the Revolutionary Enhancement of Visibility by Exploiting Active Light-fields (REVEAL) program is to develop a comprehensive theoretical framework and the requisite technologies for maximum information extraction from complex scenes by leveraging the higher dimensions of the Plenoptic function and multiple degrees of freedom of light over all - both direct and indirect - photon pathways, i.e. single and multi-bounce photons (including decoding information from before the last "bounce"). If successful, this program will open up an entirely new dimension of design space and determine a roadmap for the next generation of technology to exploit this new framework.

Important outcomes of the REVEAL program are expected to include: (a) the determination of the fundamental bounds of scene information extraction based on optimally exploiting photon pathways and degrees of freedom of light; (b) the development of design specifications/metrics for new technologies (e.g., sources, optics, sensors, and processing) that would be capable of measuring the optimal combinations of degrees of freedom; (c) the lab-scale demonstration of systems capable of testing the comprehensive theoretical framework; and (d) demonstration of full 3D scene reconstruction from a single viewpoint. It is expected that performers will be publishing and sharing their results broadly within the scientific community.

In order to develop and exercise the framework, as well as focus the technology development effort, DARPA has developed a challenge problem: full 3D scene reconstruction from a single viewpoint. That is, given a scene consisting of a variety of objects of interest and occlusions that partially or completely block the objects from direct line of sight imaging, what information can be extracted about the objects and the scene in general? This information could include properties such as distances, size, shape, material composition, motion, etc.

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