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

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

By Levent Onural

This e-book presents a wide evaluation of study traits in 3D video and comparable applied sciences. The textual content was once built to fulfill the wishes of a nontechnical reader staff who wish to comprehend the problems, matters, technical difficulties and their presently proposed ideas, and the interactions between various parts of the whole 3DTV chain. present cutting-edge and learn actions are offered, besides estimated study instructions for the close to, medium, and long-term.

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3 Multiview Autostereoscopy Autostereoscopy is a technology in which the display device sends different optical content to two different angles out of the display panel. In other words, a monocular observer will see a different video at different angles while looking at the display device. The angles are adjusted so that a human located at a particular distance receives those two different images to his two eyes. In almost all designs, each view propagates away from the display panel within its own narrow horizontal angle, but there is no vertical variation.

From D. Miyazaki, K. Shiba, K. Sotsuka, and K. Matsushita, “Volumetric display system based on 3D scanning of inclined optical image” Optics Express 14(26) 12760, 2006. © OSA 2006. 4 A piston-type volumetric 3D display. (From V. Yücesoy, D. Tunaoglu, M. Kovachev, and L. Onural, “Design and implementation of a DMD-based volumetric 3D display" 3DTV-CON 2008, © IEEE, 2008. ) display elements are electronically excited to yield appropriate brightness and color variations at those particular positions at particular moments in time.

20 Chapter 2 The primary superiority of integral imaging to stereoscopy and multiview imaging is the added vertical parallax. 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.

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