3D Video Technologies: An Overview of Research Trends by Levent Onural

By Levent Onural

This publication offers a extensive evaluate of analysis tendencies in 3D video and similar applied sciences. The textual content used to be constructed to satisfy the desires of a nontechnical reader workforce who wish to comprehend the problems, issues, technical difficulties and their at present proposed recommendations, and the interactions between diversified parts of the full 3DTV chain. present cutting-edge and examine actions are offered, besides anticipated examine instructions for the close to, medium, and long-term.

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Furthermore, as the number of lenses—and thus the number of elemental images—increases, the system gets closer to a lightfield-rendering device and therefore, brings the potential of true3D viewing. Horizontal-parallax-only multiview systems also get closer to ideal light-field-rendering devices as the number of views increases, but only along the horizontal direction. The practical problems associated with integral imaging are also severe. The alignment problem is still present but somewhat eased if the same microlens array is used during recording and display.

Kautzner, and T. Wiegand, “3D video objects for interactive applications,” EUSIPCO 2005, © EUSIPCO 2005. ) State-of-the-Art in 3D Imaging, Delivery, and 3D Content Display 43 Even though most of the 3D mesh coding techniques are based on vertex and connectivity representations, there are reported methods that utilize other representation schemes as well. 10 There are also methods that convert the mesh data first into 2D data, which is similar to 2D video data in format, and then employ a state-of-the-art 2D compression algorithm.

5 Multiple-description coding Joint source-channel coding approaches are also applied to 3D video coding. 10 The data source is encoded into separate bit streams, where each such bit stream is independently decodable. As these separate descriptions are received, a single recovery is obtained by fusing the results of each description. Therefore, each received description refines the result. The overall bit length is generally longer than other techniques as a consequence of deliberately added redundancy between the descriptions; but, in turn, more robust, error resilient end-to-end operation is achieved.

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