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A quality improvement scheme of magnified image using effectively the various curved surface characteristics of Image

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2015, 20(1), pp.63-73
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Soo-Mok Jung 1

1삼육대학교

Accredited

ABSTRACT

In this paper, a quality improvement scheme is proposed for magnified image using the various curvedsurface characteristics of image. After testing horizontal and vertical directional surface characteristics ofsource image, interpolation value is calculated to have the surface characteristics such as simple convexsurface, simple concave surface, and compound surface. The calculated interpolation value become thevalue of the interpolated pixel of magnified image. The calculated interpolation value is closer to the pixelvalue of real image. So, the quality of the magnified image is improved. The PSNR value of the magnifiedimage using the proposed scheme is larger than the PSNR values of the magnified image using the existingtechniques.

Citation status

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