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- W2895850761 abstract "Simple optical system imaging is a method to simplify optical systems by removing aberrations using image deconvolution. The point spread function (PSF) used in deconvolution is an important factor that affects the image quality. However, it is difficult to obtain optimal PSFs. The blind estimation of PSFs relies heavily on the information in the image. Measured PSFs are often misused because real sensors are wide-band. We present an optimal PSF estimation method based on PSF measurements. Narrow-band PSF measurements at a single depth are used to calibrate the optical system; these enable the simulation of real lenses. Then, we simulate PSFs in the wavelength pass range of each color channel all over the field. The optimal PSFs are computed according to these simulated PSFs. The results indicated that the use of the optimal PSFs significantly reduces the artifacts caused by misuse of PSFs, and enhances the image quality." @default.
- W2895850761 created "2018-10-26" @default.
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- W2895850761 date "2018-10-19" @default.
- W2895850761 modified "2023-09-28" @default.
- W2895850761 title "Optimal PSF Estimation for Simple Optical System Using a Wide-Band Sensor Based on PSF Measurement" @default.
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- W2895850761 doi "https://doi.org/10.3390/s18103552" @default.
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