Interactive Holography System for Enhancing Augmented Reality Experiences

Song, Wei; Huang, Kaisi; Xi, Yulong; Cho, Kyungeun

doi:10.1166/asl.2015.5771

Cited by 1 publication

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“…Another application of holography is related to nondestructive testing [16][17][18]. Nevertheless, major application of holography is related to 3D visualization, and it is used in education [19,20], dentistry [21,22], gaming [23], demonstration of cultural heritage [24], and more.…”

Section: Introductionmentioning

confidence: 99%

Real-Time Diffraction Field Calculation Methods for Computer-Generated Holograms

Esmer¹

2019

Holographic Materials and Applications

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Holographic three-dimensional television systems provide a natural 3D visualization. Fast calculation of the diffraction field from a three-dimensional object is essential to achieve video rate. In the literature, there are myriads of fast algorithms for diffraction field calculation from three-dimensional objects, but most of them omit the pixelated structure of the dynamic display devices which are used in the reconstruction process. In this chapter, the look-up table-based fast algorithm for diffraction field calculation from a three-dimensional object for a pixelated dynamic display device is presented. Real-time diffraction field calculations are obtained by running the algorithm in parallel on a graphical processing unit. Performance of the algorithm is evaluated in terms of computation time of the diffraction field and the normalized mean square error on the reconstructed object. To have optimization on the required memory space for the look-up table, two different sampling policies along the longitudinal axis are implemented. Uniform sampling policy along the longitudinal axis provides better error performance than nonuniform sampling policy. Furthermore, optical experiments are performed, and it is observed that both numerical and optical reconstructions are similar to each other. Hence, the proposed method provides successful results.

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Section: Introductionmentioning

confidence: 99%

Real-Time Diffraction Field Calculation Methods for Computer-Generated Holograms

Esmer¹

2019

Holographic Materials and Applications

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Interactive Holography System for Enhancing Augmented Reality Experiences

Cited by 1 publication

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Real-Time Diffraction Field Calculation Methods for Computer-Generated Holograms

Real-Time Diffraction Field Calculation Methods for Computer-Generated Holograms

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