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http://dx.doi.org/10.5909/JEB.2011.16.4.596

Real-time Stereo Video Generation using Graphics Processing Unit  

Shin, In-Yong (Gwangju Institute of Science and Technology)
Ho, Yo-Sung (Gwangju Institute of Science and Technolog)
Publication Information
Journal of Broadcast Engineering / v.16, no.4, 2011 , pp. 596-601 More about this Journal
Abstract
In this paper, we propose a fast depth-image-based rendering method to generate a virtual view image in real-time using a graphic processor unit (GPU) for a 3D broadcasting system. Before the transmission, we encode the input 2D+depth video using the H.264 coding standard. At the receiver, we decode the received bitstream and generate a stereo video using a GPU which can compute in parallel. In this paper, we apply a simple and efficient hole filling method to reduce the decoder complexity and reduce hole filling errors. Besides, we design a vertical parallel structure for a forward mapping process to take advantage of the single instruction multiple thread structure of GPU. We also utilize high speed GPU memories to boost the computation speed. As a result, we can generate virtual view images 15 times faster than the case of CPU-based processing.
Keywords
CUDA; DIBR; GPU programming; Stereoscopic video codec; Parallel processing;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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