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Accelerating a spatially varying aberration correction of holographic displays with low-rank approximation
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- Authors
- Issue Date
- 2022-07
- Publisher
- Optical Society of America
- Citation
- Optics Letters, Vol.47 No.13, pp.3175-3178
- Abstract
- Correction of spatially varying aberrations in holographic displays often requires intractable computational loads. In this Letter, we introduce a low-rank approximation method that decomposes sub-holograms into a small number of modes, thereby reformulating the computer-generated hologram calculation into a summation of a few convolutions. The low-rank approximation is carried out with two different algorithms: the Karhunen-Loeve transform as the optimum solution with respect to the mean-squared error criterion and a novel, to the best of our knowledge, optimization method to provide uniform image quality over the entire field of view. The proposed method is two orders of magnitude faster than the conventional point-wise integration method in our experimental setup, with comparable image quality. 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
- ISSN
- 0146-9592
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