"""Travelling Without Moving"": A Study on the Reconstruction, Compression, and Rendering of Three-Dimensional Environments for Telepresence"
Maitre, Matthieu
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https://hdl.handle.net/2142/81079
Description
Title
"""Travelling Without Moving"": A Study on the Reconstruction, Compression, and Rendering of Three-Dimensional Environments for Telepresence"
Author(s)
Maitre, Matthieu
Issue Date
2008
Doctoral Committee Chair(s)
Do, Minh N.
Department of Study
Electrical and Computer Engineering
Discipline
Electrical and Computer Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Electronics and Electrical
Language
eng
Abstract
In this dissertation, we study issues related to free-view 3D-video, and in particular issues of 3D scene reconstruction, compression, and rendering. We present four main contributions. First, we present a novel algorithm which performs surface reconstruction from planar arrays of cameras and generates dense depth maps with multiple values per pixel. Second, we introduce a novel codec for the static depth-image-based representation, which jointly estimates and encodes the unknown depth map from multiple views using a novel rate-distortion optimization scheme. Third, we propose a second novel codec for the static depth-image-based representation, which relies on a shape-adaptive wavelet transform and an explicit representation of the locations of major depth edges to achieve major rate-distortion gains. Finally, we propose a novel algorithm to extract the side information in the context of distributed video coding of 3D scenes.
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