Journal
OPTICS EXPRESS
Volume 24, Issue 21, Pages 24524-24543Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.024524
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Funding
- National Natural Science Foundation of China (NSFC) [51327803, 51406041]
- China Postdoctoral Science Special Foundation [2015T80347]
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In a light field camera, a microlens array (MLA) assembly error can affect the quality of the image. In this study, aiming to ensure corrective imaging using a light field camera, we accurately evaluate and eliminate the assembly error. We used an error image and a standard image to confirm the MLA assembly error, and we developed an assembly error correction model combined with an image quality evaluation index to correct the error. The proposed error correction model can be employed for various assembly errors and different error ranges. Quantitative analyses are performed for these different scenarios. The proposed model can be applied in accurate imaging using a light field camera, four-dimensional optical radiation field information reconstitution, MLA manufacturing and assembly processes, etc. (C) 2016 Optical Society of America
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