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Abstract
This paper discusses the use of biharmonic cubic Said-Ball surfaces in image enlargement area. Resizing an image through up sampling or down sampling is generally common for making smaller image fit a bigger screen in full screen mode or reducing a higher resolution image to a smaller resolution. However due to some limitation, this paper will focus on image enlargement based on scaling factor of two. We use biharmonic cubic Said-Ball subject to a given four boundary curves condition respectively. We implement and evaluate the performance of the proposed method based on peak signal to noise ratio (PSNR) indicator using well-known gray-scale test images.
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Details
1 School of Quantitative Sciences, UUM College of Arts and Sciences, Universiti Utara Malaysia, Sintok, Kedah, Malaysia
2 Faculty of Computer Scince & Engineering, AL-Ahgaff Universty Mukalla, Hadramout, Yemen