Virtual Magnifier-Based Image Resolution Enhancement

Authors:
Lung-Chun Chang;Yueh-Jyun Lee;Hui-Yun Hu;Yu-Ching Hsu;Yi-Syuan Wu
Affiliations:
Ching Yun University, Taiwan;Ching Yun University, Taiwan;Ching Yun University, Taiwan;Ching Yun University, Taiwan;Ching Yun University, Taiwan
Venue:
International Journal of Digital Library Systems
Year:
2011

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Abstract

To obtain high resolution images, some low resolution images must be processed and enhanced. In the literature, the mapping from the low resolution image to the high resolution image is a linear system and it is only enlarged by an integer scale. This paper presents a real scaling algorithm for image resolution enhancement. Using a virtual magnifier, an image resolution can be enhanced by a real scale number. Experimental results demonstrate that the proposed algorithm has a high quality for the enlarged image in the human visual system.