Abstract
We propose a pre-processing method of source image to reduce blur of aerial image that is formed with aerial imaging by retro-reflection (AIRR). In the AIRR optical system, anisotropic blurring occurs due to the influence of diffraction on the surface of the optical element. In this experiment, we measured the point spread function with multiple retro-reflection elements and light source wavelengths as parameters, and applied correction processing based on the results to the aerial image. We also quantitatively evaluated the correction results and analyzed the optimization of the correction function according to the wavelength of light source in the aerial image. The results of this experiment show the possibility of image quality improvement methods in image processing systems for aerial images.
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HK contributed for this paper as first author. They designed and conducted the experiments, analyzed the data, and wrote the original draft. MY and HY designed and analyzed the experiments, and edited the manuscript.
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Kikuta, H., Yasugi, M. & Yamamoto, H. Optimization of blur correction of color images formed with aerial imaging by retro-reflection. Opt Rev 30, 111–121 (2023). https://doi.org/10.1007/s10043-022-00781-w
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DOI: https://doi.org/10.1007/s10043-022-00781-w