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Depth Images: Representations and Real-time Rendering
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BibTeX
@MISC{Verlani_depthimages:,
author = {Pooja Verlani and Aditi Goswami and P. J. Narayanan},
title = {Depth Images: Representations and Real-time Rendering},
year = {}
}
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Abstract
Depth Images are viable representations that can be computed from the real world using cameras and/or other scanning devices. The depth map provides 2- 1 2 D structure of the scene. A set of Depth Images can provide hole-free rendering of the scene. Multiple views need to blended to provide smooth hole-free rendering, however. Such a representation of the scene is bulky and needs good algorithms for real-time rendering and efficient representation. In this paper, we present a discussion on the Depth Image representation and provide a GPU-based algorithm that can render large models represented using DIs in real time. We then present a proxy-based compression scheme for Depth Images and provide results for the same. Results are shown on synthetic scenes under different conditions and on some scenes generated from images. Lastly, we initiate discussion on varying quality levels in IBR and show a way to create representations using DIs with different trade-offs between model size and rendering quality. This enables the use of this representation for a variety of rendering situations. 1.
Keyphrases
real-time rendering depth image depth image representation synthetic scene proxy-based compression scheme efficient representation smooth hole-free rendering scanning device viable representation gpu-based algorithm large model model size depth map multiple view hole-free rendering good algorithm real world quality level different trade-off real time different condition
