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

By Levent Onural

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

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Multiview video provides some horizontal parallax, which does not exist in ordinary stereoscopy. This is its primary advantage over simple stereoscopy; however, the parallax is still limited to a small angle due to the limited number of horizontal views. Typically, each view is separated by an angle of about two–three degrees, and thus, a display with nine views gives a field of view of 20–25 degrees. If a viewer moves out of this region, usually the directionally separate views are repeated in the same order, and thus a jump at the borders of the proper viewing angle is observed.

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. If the motion is faster than the tracking abilities of the human visual system (as in cinema or TV), the perceived image becomes a 3D volume image. 2 Either the display elements are self-luminous and directly mounted on the sweeping apparatus, or the sweeping structure acts as a moving screen that is illuminated by projection.

Another issue is the occluded parts, which cannot be predicted and so must be coded in a standalone manner. Balancing of color and lighting differences in the two captured images is another concern during compression; however, the basis of coding is the exploitation of temporal and interview similarities within a stereoscopic video sequence. A corresponding standard specification was defined in ITU-T Rec. 10 It is quite common to code the left-eye view in a standalone manner using a standard 2D video codec.

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