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Adaptive image interpolation by cardinal splines in piecewise constant tension |
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| Authors: | Satoshi Matsumoto Masaru Kamada Renchin-Ochir Mijiddorj |
| Affiliation: | 1. Department of Computer and Information Sciences, Faculty of Engineering, Ibaraki University, Hitachi, Ibaraki, 316-8511, Japan 2. Department of Programming and Didactics, School of Computer Science and Information Technology, Mongolian State University of Education, P.O. Box 46/776, Ulaanbaatar, 210646, Mongolia |
| Abstract: | The cardinal spline in tension is modified to allow for different tensions in different sampling intervals. Varying the tension in proportion to an index of sharp change in image brightness, we obtain image interpolation results with less ringing artifacts compared to those by the cubic spline interpolation. |
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