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Digital restoration of multichannel images

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2 Author(s)
Galatsanos, N.P. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; Chin, R.T.

The Wiener solution of a multichannel restoration scheme is presented. Using matrix diagonalization and block-Toeplitz to block-circulant approximation, the inversion of the multichannel, linear space-invariant imaging system becomes feasible by utilizing a fast iterative matrix inversion procedure. The restoration uses both the within-channel (spatial) and between-channel (spectral) correlation; hence, the restored result is a better estimate than that produced by independent channel restoration. Simulations are also presented

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:37 ,  Issue: 3 )