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Title: Efficient blind image restoration using discrete periodic Radon transform
Authors: Lun, PKD 
Chan, TCL
Hsung, TC
Feng, DD
Chan, YH 
Keywords: ARMA processes
Image deblurring
Radon transforms
Issue Date: Feb-2004
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on image processing, Feb. 2004, v. 13, no. 2, p. 188-200 How to cite?
Journal: IEEE transactions on image processing 
Abstract: Restoring an image from its convolution with an unknown blur function is a well-known ill-posed problem in image processing. Many approaches have been proposed to solve the problem and they have shown to have good performance in identifying the blur function and restoring the original image. However, in actual implementation, various problems incurred due to the large data size and long computational time of these approaches are undesirable even with the current computing machines. In this paper, an efficient algorithm is proposed for blind image restoration based on the discrete periodic Radon transform (DPRT). With DPRT, the original two-dimensional blind image restoration problem is converted into one-dimensional ones, which greatly reduces the memory size and computational time required. Experimental results show that the resulting approach is faster in almost an order of magnitude as compared with the traditional approach, while the quality of the restored image is similar.
ISSN: 1057-7149
EISSN: 1941-0042
DOI: 10.1109/TIP.2004.823820
Rights: © 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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