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Preconditioners for regularized image superresolution

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3 Author(s)
Nguyan, N. ; Sci. Comput. & Comput. Math. Program, Stanford Univ., CA, USA ; Golub, G. ; Milanfar, P.

Superresolution reconstruction produces a high resolution image from a set of low resolution images. Previous work on superresolution had not adequately addressed the computational issues for this problem. In this paper, we propose efficient block circulant preconditioners for solving the regularized superresolution problem by conjugate gradients. The effectiveness of the preconditioners is demonstrated with superresolution results for a simulated image sequence and a FLIR image sequence

Published in:
Acoustics, Speech, and Signal Processing, 1999. Proceedings., 1999 IEEE International Conference on  (Volume:6 )

Date of Conference: 15-19 Mar 1999

Page(s):
3249 - 3252 vol.6
Meeting Date :
15 Mar 1999-19 Mar 1999
ISSN :
1520-6149
Print ISBN:
0-7803-5041-3
INSPEC Accession Number:
6390207
Conference Location :
Phoenix, AZ
Digital Object Identifier :
10.1109/ICASSP.1999.757534
Product Type:
Conference Publications

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