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User-perspective augmented reality magic lens from gradients

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PubDate: November 2014

Teams: University of California

Writers: Domagoj Baričević;Tobias Höllerer;Pradeep Sen;Matthew Turk

PDF: User-perspective augmented reality magic lens from gradients

Abstract

In this paper we present a new approach to creating a geometrically-correct user-perspective magic lens and a prototype device implementing the approach. Our prototype uses just standard color cameras, with no active depth sensing. We achieve this by pairing a recent gradient domain image-based rendering method with a novel semi-dense stereo matching algorithm inspired by PatchMatch. Our stereo algorithm is simple but fast and accurate within its search area. The resulting system is a real-time magic lens that displays the correct user perspective with a high-quality rendering, despite the lack of a dense disparity map.

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