Concept of dual-resolution light field imaging using an organic photoelectric conversion film for high-resolution light field photography

Applied Optics
Daisuke SugimuraTakayuki Hamamoto

Abstract

Light field imaging is an emerging technique that is employed to realize various applications such as multi-viewpoint imaging, focal-point changing, and depth estimation. In this paper, we propose a concept of a dual-resolution light field imaging system to synthesize super-resolved multi-viewpoint images. The key novelty of this study is the use of an organic photoelectric conversion film (OPCF), which is a device that converts spectra information of incoming light within a certain wavelength range into an electrical signal (pixel value), for light field imaging. In our imaging system, we place the OPCF having the green spectral sensitivity onto the micro-lens array of the conventional light field camera. The OPCF allows us to acquire the green spectra information only at the center viewpoint with the full resolution of the image sensor. In contrast, the optical system of the light field camera in our imaging system captures the other spectra information (red and blue) at multiple viewpoints (sub-aperture images) but with low resolution. Thus, our dual-resolution light field imaging system enables us to simultaneously capture information about the target scene at a high spatial resolution as well as the direction information o...Continue Reading

References

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Jan 13, 2015·Scientific Reports·Seon-Jeong LimSangyoon Lee
Jun 26, 2015·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Daisuke SugimuraTakayuki Hamamoto
May 4, 2016·Applied Optics·Xiang WangGuangQi Hou
Nov 10, 2016·Applied Optics·Xuanwu YinQingmin Liao
Aug 10, 2017·Optics Express·Hsiou-Yuan LiuLaura Waller

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