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Low-cost hardware architecture design for 3D warping engine in multiview video applications

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3 Author(s)
Pin-Chih Lin ; DSP/IC Design Lab., Nat. Taiwan Univ., Taipei, Taiwan ; Pei-Kuei Tsung ; Liang-Gee Chen

As the history of television industry goes, multiview video (MW) and its applications draw more and more attentions by the realistic 3D scene it can bring. In these applications, virtual view synthesis is required for providing free view point sequences so as to fulfill a real-time display system. In this paper, a low-area architecture is proposed. By employing the linear-interpolated approximation algorithm, the large area requirement due to the synthesis parameters is resolved. In addition, redundant information for fraction bits of parameters is further reduced by precision fitting analysis. As a result, 95.9% of area for matrix parameter rendering stage and 69.5% for vector transform stage are reduced with only 0.0059 dB overhead of PSNR performance.

Published in:

Circuits and Systems (ISCAS), Proceedings of 2010 IEEE International Symposium on

Date of Conference:

May 30 2010-June 2 2010