A fast analytical algorithm for generating CGH of 3D scene

Yuanzhi Liu; Jianwen Dong; Yiying Pu; Bingchu Chen; Hexiang He; Zilan Deng; Hezhou Wang

doi:10.1117/12.848472

10 February 2010 A fast analytical algorithm for generating CGH of 3D scene

Yuanzhi Liu, Jianwen Dong, Yiying Pu, Bingchu Chen, Hexiang He, Zilan Deng, Hezhou Wang

Proceedings Volume 7619, Practical Holography XXIV: Materials and Applications; 76190N (2010) https://doi.org/10.1117/12.848472
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

We present a set of analytical formula on describing the diffraction field of the three dimensional (3D) triangular-meshbased model. The advantage of the proposed method is that it can avoid using the numerical algorithm -- Fast Fourier Transform, which leads to a depth-of-field limitation by the Whittaker-Shannon sampling theorem. We employ the proposed method to generate the hologram of 3D texture model derived from the real scene or 3D design software. In order to further increase the computation speed, we have rendered a real scene by employing the GPU platform. Our homemade GPU algorithm performs hundreds of times faster than those of CPU. As we developed a general phase adjustment technique for polygon-based algorithm, the holographic reconstructed scenes possess high performance.

Citation Download Citation

Yuanzhi Liu, Jianwen Dong, Yiying Pu, Bingchu Chen, Hexiang He, Zilan Deng, and Hezhou Wang "A fast analytical algorithm for generating CGH of 3D scene", Proc. SPIE 7619, Practical Holography XXIV: Materials and Applications, 76190N (10 February 2010); https://doi.org/10.1117/12.848472

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