## Selected papers on digital image restoration |

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Acoust algorithm applications approximation artifacts assumed B. R. Hunt bandlimited blurred image boundary causal coefficients computation constraint convergence convex sets convolution covariance criterion deconvolution defined degraded image denotes density Digital Image discrete discrete Fourier transform domain equations error estimate film finite Fourier transform frequency fuzzy sets Gaussian given identification IEEE IEEE Trans image model image processing image restoration images degraded impulse response inverse iterative Kalman filter least squares linear matrix maximum maximum a posteriori method motion blur noisy noncausal nonlinear nonstationary NSHP obtained operator optical optimal original image parameters pixel POCS point spread function priori Proc procedure random field recursive region regularization residual restoration algorithms restoration problem restored image RUKF sample Section semicausal sequence shown in Fig Signal Processing solution space-variant spatial spectral statistics stochastic techniques Tekalp Theorem tion Trussell two-dimensional variance vector Wiener filter zero