Single- and Multi-Step Image Enlargement for Medical Image Coding

(E-pub Ahead of Print)

Author(s): Mohammad Reza Khosravi*.

Journal Name: Current Signal Transduction Therapy

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Background: Some interpolators cannot be used in an image magnification problem in a freely scalable form. For instance, when we want to magnify an image to a 16-time bigger scale, some interpolators have to do this process in two steps including two 4-time magnification steps, however, some are able to do it directly.

Methods: For generating data of this study, Matlab as a simulator has been used. Bi-linear (BL) and cubic convolution (CC) interpolators are the two applied re-samplers in the reconstruction of digital images.

Results: Data shows that the performance of both free-size interpolators (BL and CC) is obviously different in both direct and indirect pixel reconstruction.

Conclusion: The acquired data shows a less error in the condition of direct interpolation. The relative results of experiments are d.ifferent from the type of core interpolators (BL and CC).

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(E-pub Ahead of Print)
DOI: 10.2174/1574362414666190131105731

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