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Conference Paper: A fast algorithm for high-resolution color image reconstruction with multisensors
Title | A fast algorithm for high-resolution color image reconstruction with multisensors |
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Authors | |
Issue Date | 2001 |
Publisher | Springer. |
Citation | Second International Conference on Numerical Analysis and Its Applications (NAA 2000), Rousse, Bulgaria, 11-15 June 2000. In Numerical Analysis and Its Applications: Second International Conference, NAA 2000 Rousse, Bulgaria, June 11–15, 2000: Revised Papers, 2001, p. 615-627 How to Cite? |
Abstract | © Springer-Verlag Berlin Heidelberg 2001. This paper studies the application of preconditioned conjugate gradient methods in high-resolution color image reconstruction problems. The high-resolution color images are reconstructed from multiple undersampled, shifted, degraded color frames with subpixel displacements. The resulting degradation matrices are spatially variant. To capture the changes of reflectivity across color channels, the weighted H1 regularization functional is used in the Tikhonov regularization. The Neumann boundary condition is also employed to reduce the boundary artifacts. The preconditioners are derived by taking the cosine transform approximation of the degradation matrices. Numerical examples are given to illustrate the fast convergence of the preconditioned conjugate gradient method. |
Persistent Identifier | http://hdl.handle.net/10722/276823 |
ISBN | |
ISSN | 2020 SCImago Journal Rankings: 0.249 |
Series/Report no. | Lecture Notes in Computer Science ; 1988 |
DC Field | Value | Language |
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dc.contributor.author | Ng, Michael K. | - |
dc.contributor.author | Kwan, Wilson C. | - |
dc.contributor.author | Chan, Raymond H. | - |
dc.date.accessioned | 2019-09-18T08:34:46Z | - |
dc.date.available | 2019-09-18T08:34:46Z | - |
dc.date.issued | 2001 | - |
dc.identifier.citation | Second International Conference on Numerical Analysis and Its Applications (NAA 2000), Rousse, Bulgaria, 11-15 June 2000. In Numerical Analysis and Its Applications: Second International Conference, NAA 2000 Rousse, Bulgaria, June 11–15, 2000: Revised Papers, 2001, p. 615-627 | - |
dc.identifier.isbn | 9783540418146 | - |
dc.identifier.issn | 0302-9743 | - |
dc.identifier.uri | http://hdl.handle.net/10722/276823 | - |
dc.description.abstract | © Springer-Verlag Berlin Heidelberg 2001. This paper studies the application of preconditioned conjugate gradient methods in high-resolution color image reconstruction problems. The high-resolution color images are reconstructed from multiple undersampled, shifted, degraded color frames with subpixel displacements. The resulting degradation matrices are spatially variant. To capture the changes of reflectivity across color channels, the weighted H1 regularization functional is used in the Tikhonov regularization. The Neumann boundary condition is also employed to reduce the boundary artifacts. The preconditioners are derived by taking the cosine transform approximation of the degradation matrices. Numerical examples are given to illustrate the fast convergence of the preconditioned conjugate gradient method. | - |
dc.language | eng | - |
dc.publisher | Springer. | - |
dc.relation.ispartof | Numerical Analysis and Its Applications: Second International Conference, NAA 2000 Rousse, Bulgaria, June 11–15, 2000: Revised Papers | - |
dc.relation.ispartofseries | Lecture Notes in Computer Science ; 1988 | - |
dc.title | A fast algorithm for high-resolution color image reconstruction with multisensors | - |
dc.type | Conference_Paper | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1007/3-540-45262-1_73 | - |
dc.identifier.scopus | eid_2-s2.0-37549063495 | - |
dc.identifier.spage | 615 | - |
dc.identifier.epage | 627 | - |
dc.identifier.eissn | 1611-3349 | - |
dc.publisher.place | Berlin | - |
dc.identifier.issnl | 0302-9743 | - |