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Image Magnification Using Interval Information
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DOI：10.1109/TIP.2011.2158227.png)
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Abstract
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In this paper, a simple and effective image-magnification algorithm based on intervals is proposed. A low-resolution image is magnified to form a high-resolution image using a block-expanding method. Our proposed method associates each pixel with an interval obtained by a weighted aggregation of the pixels in its neighborhood. From the interval and with a linear K-alpha operator, we obtain the magnified image. Experimental results show that our algorithm provides a magnified image with better quality (peak signal-to-noise ratio) than several existing methods.
Keywords:
Image magnification
implication operator
interval
K-alpha operator
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