Number of the records: 1
Shift-invariant multichannel blind restoration
- 1.
SYSNO ASEP 0411162 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Shift-invariant multichannel blind restoration Author(s) Šroubek, Filip (UTIA-B) RID, ORCID
Flusser, Jan (UTIA-B) RID, ORCIDIssue data Rome: University of ROMA TRE, 2003 ISBN 953-184-061-X Source Title Proceedings of the 3rd International Symposium on Image and Signal Processing and Analysis / Lončaric S. ; Neri A. ; Babic H. Pages s. 332-337 Number of pages 6 s. Action ISPA 2003 /3./ Event date 18.09.2003-20.09.2003 VEvent location Rome Country IT - Italy Event type WRD Language eng - English Country IT - Italy Keywords multichannel blind deconvolution ; total variation ; MAP estimation Subject RIV BD - Theory of Information R&D Projects GA102/00/1711 GA ČR - Czech Science Foundation (CSF) GA201/03/0675 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1075907 - UTIA-B Annotation Existing multichannel blind restoration techniques are prone to noise, assume perfect spatial alignment of channels and a correct estimation of blur size. We develop an alternating minimization scheme based on maximum a posteriori probability estimation with a priori distributions derived from the multichannel framework and from the variational priciple. We observe that the exact knowledge of the blur size is not necessary and that translation misregistration can be automatically removed. Workplace Institute of Information Theory and Automation Contact Markéta Votavová, votavova@utia.cas.cz, Tel.: 266 052 201.
Number of the records: 1