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Three-Dimensional Video Contents Exploitation in Depth Camera-Based Hybrid Camera System
 

Summary: Chapter 15
Three-Dimensional Video Contents Exploitation
in Depth Camera-Based Hybrid Camera System
Sung-Yeol Kim, Andreas Koschan, Mongi A. Abidi, and Yo-Sung Ho*
Abstract. Video-plus-depth is an image sequence of synchronized color and depth
images. As importance of video-plus-depth increases as an essential part of the
next-generation multimedia applications, it is crucial to estimate accurate depth
information from a real scene and to find a practical framework to use the immer-
sive video in industry. In this chapter, we introduce a hybrid camera system
composed of a stereoscopic camera and a time-of-flight depth camera to generate
high-quality and high-resolution video-plus-depth. We also handle a hierarchical
decomposition method of depth images to render a dynamic 3D scene represented
by video-plus-depth rapidly. Finally, we present a method to generate streamable
3D video contents based on video-plus-depth and computer graphic models in the
MPEG-4 multimedia framework. The MPEG-4-based 3D video contents can sup-
port a variety of user-friendly interactions, such as free viewpoint changing and
free composition with computer graphic images.
1 Introduction
As immersive multimedia services are expected to be available in the near future
through a high-speed optical network, a three-dimensional (3D) video is recog-

  

Source: Abidi, Mongi A. - Department of Electrical and Computer Engineering, University of Tennessee

 

Collections: Computer Technologies and Information Sciences