Shintaro Eda

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In this paper, first, the performance of the Wiener filter in the frequency domain for image restoration is compared with that in the space domain on images degraded by white noise. After finding that the Wiener filter in the frequency domain is more effective than that in the space domain in an ideal case, power spectrum estimation methods for the Wiener(More)
In this paper, first, the performance of the Wiener filter in the frequency domain for image restoration is compared with that in the time domain for images degraded by white noise. After finding that the Wiener filter in the frequency domain is better than that in the time domain, a noise estimation method for the Wiener filter in the frequency domain is(More)
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