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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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In this paper, under the assumption of the symmetry point spread function, antireflective boundary conditions(AR-BCs) are considered in connection with the fast truncated Lagrange(FTL) method. The FTL method is proposed as an image restoration method for large-scale ill-conditioned BTTB(block Toeplitz with Toeplitz block) and BTHHTB(block Toeplitz-plus-Hankel matrix with Toeplitz-plus-Hankel blocks) linear systems([13, 17]). The implementation and efficiency of the FTL method in the AR-BCs are further illustrated. Especially, by employing the AR-BCs, both the continuity of the image and the continuity of its normal derivative are preserved at the boundary. A reconstructed image with less artifacts at the boundary is obtained as a result.
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참고문헌 (19)
참고문헌 신청
A. Arico / 2011 / The anti-reflective transform and regularization by filtering, Numerical Linear Algebra in Signals, Systems, and control, Lecture Notes in Electrical Engineering 80 / Springer Verlag :1~21
A. Arico / 2008 / Spectral analysis of the antireflective algebra / Linear Alg. and its Appl. 428:657~675
M. Christiansen / 2001 / Deblurring methods using anti-reflective boundary conditions / SIAM J. Matrix Anal. Appl. 22:1204~1221
M. Donatelli / 2005 / Anti-reflective boundary conditions and re-blurring / Inverse Problem 21:169~182
M. Donatelli / 2006 / Boundary conditions and multiple-image re-blurring: The LBT case / J. of Comp. and Appl. Math. 198:426~442
A. Arico / 2008 / Spectral analysis of the antireflective algebra / Linear Alg. and its Appl. 428:657~675
M. Christiansen / 2001 / Deblurring methods using anti-reflective boundary conditions / SIAM J. Matrix Anal. Appl. 22:1204~1221
M. Donatelli / 2005 / Anti-reflective boundary conditions and re-blurring / Inverse Problem 21:169~182
M. Donatelli / 2006 / Boundary conditions and multiple-image re-blurring: The LBT case / J. of Comp. and Appl. Math. 198:426~442
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