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DOI: 10.14569/IJACSA.2022.0130303
PDF

Stochastic Rounding for Image Interpolation and Scan Conversion

Author 1: Olivier Rukundo
Author 2: Samuel Emil Schmidt

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 13 Issue 3, 2022.

  • Abstract and Keywords
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Abstract: The stochastic rounding (SR) function is proposed to evaluate and demonstrate the effects of stochastically rounding row and column subscripts in image interpolation and scan conversion. The proposed SR function is based on a pseudorandom number, enabling the pseudorandom rounding up or down any non-integer row and column subscripts. Also, the SR function exceptionally enables rounding up any possible cases of subscript inputs that are inferior to a pseudorandom number. The algorithm of interest is the nearest-neighbor interpolation (NNI) which is traditionally based on the deterministic rounding (DR) function. Experimental simulation results are provided to demonstrate the performance of NNI-SR and NNI-DR algorithms before and after applying smoothing and sharpening filters of interest. Additional results are also provided to demonstrate the performance of NNI-SR and NNI-DR interpolated scan conversion algorithms in cardiac ultrasound videos.

Keywords: Cardiac ultrasound; deterministic rounding; image quality; interpolation; pseudorandom number; scan conversion; stochastic rounding; video quality

Olivier Rukundo and Samuel Emil Schmidt, “Stochastic Rounding for Image Interpolation and Scan Conversion” International Journal of Advanced Computer Science and Applications(IJACSA), 13(3), 2022. http://dx.doi.org/10.14569/IJACSA.2022.0130303

@article{Rukundo2022,
title = {Stochastic Rounding for Image Interpolation and Scan Conversion},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2022.0130303},
url = {http://dx.doi.org/10.14569/IJACSA.2022.0130303},
year = {2022},
publisher = {The Science and Information Organization},
volume = {13},
number = {3},
author = {Olivier Rukundo and Samuel Emil Schmidt}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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