Mr. Nengqen Wang Profile

Nengqen Wang

at Beijing Univ of Posts and Telecommunications

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Proceedings Article | 24 October 2017 Paper

Real-time free-viewpoint DIBR for large-size 3DLED

NengWen Wang, Xinzhu Sang, Nan Guo, Kuiru Wang

Proceedings Volume 10459, 104590L (2017) https://doi.org/10.1117/12.2284667

KEYWORDS: Light emitting diodes

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Three-dimensional (3D) display technologies make great progress in recent years, and lenticular array based 3D display is a relatively mature technology, which most likely to commercial. In naked-eye-3D display, the screen size is one of the most important factors that affect the viewing experience. In order to construct a large-size naked-eye-3D display system, the LED display is used. However, the pixel misalignment is an inherent defect of the LED screen, which will influences the rendering quality. To address this issue, an efficient image synthesis algorithm is proposed. The Texture-Plus-Depth(T+D) format is chosen for the display content, and the modified Depth Image Based Rendering (DIBR) method is proposed to synthesize new views. In order to achieve realtime, the whole algorithm is implemented on GPU. With the state-of-the-art hardware and the efficient algorithm, a naked-eye-3D display system with a LED screen size of 6m × 1.8m is achieved. Experiment shows that the algorithm can process the 43-view 3D video with 4K × 2K resolution in real time on GPU, and vivid 3D experience is perceived.

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