期刊
OPTICS EXPRESS
卷 30, 期 2, 页码 902-913出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.444925
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资金
- Samsung Display Co., Ltd.
This paper investigates the volumetric image characteristics of integral imaging display based on self-interference incoherent digital holography. It proposes a technique to estimate and analyze the voxel characteristics of the integral imaging system such as the depth location and resolution. The estimation method can be applied to the accurate and quantitative analysis of the volumetric characteristics of light field 3D displays.
Three-dimensional (3D) images reconstructed by integral imaging display are captured as a complex hologram using self-interference incoherent digital holography (SIDH) and analyzed for the volumetric image characteristics. The integrated images can present 3D perception through not only binocular disparity but also volumetric property, which is represented in forming a volume picture element, called 'voxel', and an important criterion to distinguish the integral imaging from the multiview 3D display. Since SIDH can record the complex hologram under incoherent lighting conditions, the SIDH camera system has the advantage to measure the voxel formed with the incoherent light fields. In this paper, we propose a technique to estimate and analyze the voxel characteristics of the integral imaging system such as the depth location and resolution. The captured holograms of the integrated images are numerically reconstructed by depth for the voxel analysis. The depth location of the integrated image can be calculated and obtained using the autofocus algorithms and the focus metrics values, which also show the modalities of depth resolution. The estimation method of this paper can be applied to the accurate and quantitative analysis of the volumetric characteristics of light field 3D displays. (C) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
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