Quantitative analysis of the spatial distortion of 3D integral image related to the mismatch of the microlens array

Qingfeng Bu; Xiaorui Wang; Honggang Bai

doi:10.1117/12.834111

24 August 2009 Quantitative analysis of the spatial distortion of 3D integral image related to the mismatch of the microlens array

Qingfeng Bu, Xiaorui Wang, Honggang Bai

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Proceedings Volume 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors; 73810K (2009) https://doi.org/10.1117/12.834111
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

According to integral imaging mechanisms, the spatial distortion of 3D integral image is affected by many parameters related to both the capture and the display setups, such as the shift and overlapping of elemental images, the aperture difference of the lens array between the capture and the display systems, the pitch between the adjacent lenses in the capture or display lens arrays. To solve this problem, we first clarify the effects of the optical parameter mismatch in pickup and display stage. An analytical model for the spatial distortion of 3D integral image caused by aberrations of the elemental images is then derived by the use of wave optics theories. Simulation results show that a 3D image is separated by local positional errors, and the reconstructed image is shifted in the depth direction. Moreover, the integrated 3D image has different magnification factors at longitudinal and lateral direction. Finally, we discuss the possibility to reduce the distortion of integral image through some methods proposed by previous researchers.

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Qingfeng Bu, Xiaorui Wang, and Honggang Bai "Quantitative analysis of the spatial distortion of 3D integral image related to the mismatch of the microlens array", Proc. SPIE 7381, International Symposium on Photoelectronic Detection and Imaging 2009: Material and Device Technology for Sensors, 73810K (24 August 2009); https://doi.org/10.1117/12.834111

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KEYWORDS

3D image processing

Distortion

3D displays

Displays

3D image reconstruction

Microlens array

Integral imaging

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