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Nonlinear image upsampling method based on radial basis function interpolation

Title
Nonlinear image upsampling method based on radial basis function interpolation
Authors
Lee Y.J.Yoon J.
Ewha Authors
윤정호
SCOPUS Author ID
윤정호scopus
Issue Date
2010
Journal Title
IEEE Transactions on Image Processing
ISSN
1057-7149JCR Link
Citation
vol. 19, no. 10, pp. 2682 - 2692
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
In this paper, we present a novel edge-directed upsampling method based on radial basis function (RBF) interpolation. In order to remove artifacts such as blurred edges or blocking effects, we suggest a nonlinear method capable of taking edge information into account. The resampling evaluation is determined according to the edge orientation. The proposed scheme is as simple to implement as linear methods but it demonstrates improved visual quality by preserving the edge features better than the classical linear interpolation methods. The algorithm is compared with some well-known linear schemes as well as recently developed nonlinear schemes. The resulting images demonstrate the new algorithm's ability to magnify an image while preserving the edge features. © 2010 IEEE.
DOI
10.1109/TIP.2010.2050108
Appears in Collections:
자연과학대학 > 수학전공 > Journal papers
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