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Study on the Correlation between Digital Images using ICOR

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2009, 14(3), pp.75-82
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

Yang,Hyung-Kyu 1 Choi Jong Ho 1

1강남대학교

Accredited

ABSTRACT

The comparison of images uses PSNR generally. In the case that PSNR value is above 35, it is hard to distinguish the quality of images. In 2006 Lee has proposed the protocol to be able to prove ownership of image using publishing MSB bit strings of original image instead of original images and used the new function to measure correlation of MSB bit strings of two images. In the view of measuring the quality of images, correlation is a bit different from PSNR. That is, if an object image to generate from an original image has lower quality, PSNR has very low value, but though the quality is bad, correlation of the images is very high in the view of similarity. In this paper, we modify MSB comparison function that LEE suggested and propose the ICOR function, then analyze the possibility to decide correlation of two images.

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