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http://dx.doi.org/10.17661/jkiiect.2017.10.1.95

Image Magnification Technique using Improved Surface Characteristics Estimation Method  

Jung, Soo-Mok (Division of Computer Science & Engineering, Sahmyook University)
Publication Information
The Journal of Korea Institute of Information, Electronics, and Communication Technology / v.10, no.1, 2017 , pp. 95-101 More about this Journal
Abstract
In natural images, there is generally locality, and the values of adjacent pixels are similar. It is possible to estimate the curved surface characteristics of the original image using adjacent pixels having similar pixel values. In this paper, after precisely estimating the characteristics of the curved surface existing in the image, interpolation values are obtained so as to faithfully reflect the estimated characteristics of the curved surface, We propose an effective image enlarging method that generates an enlarged image using the obtained interpolation values. The image enlarged by the proposed method maintains the curved surface characteristics of the original image, and thus the image quality of the enlarged image is improved. Experimental results show that the image quality of the proposed method is superior to that of the conventional techniques.
Keywords
image magnification; interpolation; bi-linear interpolation; locality; surface characteristics;
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Times Cited By KSCI : 3  (Citation Analysis)
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