Adaptive image interpolation based on local gradient features

This letter presents two adaptive interpolation methods based on applying an inverse gradient to conventional bilinear and bicubic interpolation. In simulations, the proposed methods exhibited a better performance than conventional bilinear and bicubic methods; particularly in the edge regions. In addition, the proposed methods can be used irrespective of the magnification factor (MF) and easily implemented due to their simple structure.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2004-03
Language
English
Citation

IEEE SIGNAL PROCESSING LETTERS, v.11, no.3, pp.359 - 362

ISSN
1070-9908
DOI
10.1109/LSP.2003.821718
URI
http://hdl.handle.net/10203/84680
Appears in Collection
EE-Journal Papers(저널논문)
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