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KMID : 1151820170110040241
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Journal of the Korean Society of Radiology
2017 Volume.11 No. 4 p.241 ~ p.246
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Fractal Image Coding by Linear Transformation of Computed Tomography
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Park Jae-Hong
Park Chul-Woo
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Abstract
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The existing fractal compression method is effective in generating an artificial shape by approximating its partial regions to a domain block by re-dividing the whole image into a domain region and dividing it into several domain blocks, but it is difficult to implement a computer. In this study, it is difficult to approximate a complex block such as a large-sized block and an affine transformation because a large amount of calculation is required in searching for a combination of similar blocks through a transformation, so a large amount of coding time is required.
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KEYWORD
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Fractal, Linear, CT, PSNR
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