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Restoration from image degraded by white noise based on iterative spectral subtraction method

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4 Author(s)
Kobayashi, T. ; Graduate Sch. of Sci. & Eng., Saitama Univ., Japan ; Shimamura, T. ; Hosoya, Tetsuo ; Takahashi, Y.

The application of the spectral subtraction method to image restoration is investigated. Comparison of the performance of the spectral subtraction method with that of the Wiener filter, in an ideal case, shows that the spectral subtraction method provides an improvement. In order to improve further the performance of the spectral subtraction method, an iterative algorithm is utilized with a frequency-division based noise estimation technique.

Published in:

Circuits and Systems, 2005. ISCAS 2005. IEEE International Symposium on

Date of Conference:

23-26 May 2005