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Reliability-based generation and view synthesis in layered depth video

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5 Author(s)
Karsten Muller ; Image Processing Department, Fraunhofer Institute for Telecommunications - Heinrich-Hertz-Institut, Einsteinufer 37, 10587 Berlin, Germany ; Aljoscha Smolic ; Kristina Dix ; Peter Kauff
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In this paper, a system for video rendering on multiscopic 3D displays is considered where the data is represented as layered depth video (LDV). This representation consists of one full or central video with associated per-pixel depth and additional residual layers. Thus, only one full view with additional residual data needs to be transmitted. The LDV data is used at the receiver to generate all intermediate views for the display. The paper presents the LDV layer extraction as well as the view synthesis, using a scene reliability-driven approach. Here, unreliable image regions are detected and in contrast to previous approaches the residual data is enlarged to reduce artifacts in unreliable areas during rendering. To provide maximum data coverage, the residual data remains at its original positions and will not be projected towards the central view. The view synthesis process also uses this reliability analysis to provide higher quality intermediate views than previous approaches. As a final result, high quality intermediate views for an existing 9-view auto-stereoscopic display are presented, which prove the suitability of the LDV approach for advanced 3D video (3DV) systems.

Published in:

Multimedia Signal Processing, 2008 IEEE 10th Workshop on

Date of Conference:

8-10 Oct. 2008