Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI)
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Institute of Electrical and Electronics Engineers (IEEE)
2012
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my.unimap-213502012-10-15T00:55:31Z Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) Hyukjoon, Kwoon Youngshin, Kim Juneho, Yi lunlun@skku.edu karisdo@ece.skku.ac.kr jhyi@skku.edu Component Metal artifacts reduction (MAR) X-ray CT images Projection image inpainting Relevant neighbor area (RNA) Intersection of confidence intervals (ICI) Link to publisher's homepage at http://ieeexplore.ieee.org/ Recently reported Relevant Neighbor Area (RNA) methods for projection image inpainting have achieved a drastic improvement in reducing inpainting errors simply by excluding irrelevant neighbor pixels in computing an inpainting value. This research presents how to design more accurate RNA masks in order to further improve the inpainting performance of current RNA masks. We employ the Intersection of Confidence Intervals (ICI) rule that provides spatially adaptive window size for optimal signal estimation in the presence of noise. In our case, it allows us to eliminate outlier pixels in RNA that degrades the inpainting performance, yielding an optimal RNA mask. Since the ICI rule gives an optimal neighbor area, we are free from the difficult problem of deciding the size of neighbor area for inpainting. Experimental results show that inpainting methods using more accurately determined RNA masks significantly outperform the methods that employ the current RNA masks. 2012-10-15T00:55:31Z 2012-10-15T00:55:31Z 2012-02-27 Working Paper p. 267-271 978-145771989-9 http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6179018 http://hdl.handle.net/123456789/21350 en Proceedings of the International Conference on Biomedical Engineering (ICoBE 2012) Institute of Electrical and Electronics Engineers (IEEE) |
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Component Metal artifacts reduction (MAR) X-ray CT images Projection image inpainting Relevant neighbor area (RNA) Intersection of confidence intervals (ICI) |
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Component Metal artifacts reduction (MAR) X-ray CT images Projection image inpainting Relevant neighbor area (RNA) Intersection of confidence intervals (ICI) Hyukjoon, Kwoon Youngshin, Kim Juneho, Yi Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
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Link to publisher's homepage at http://ieeexplore.ieee.org/ |
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lunlun@skku.edu |
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lunlun@skku.edu Hyukjoon, Kwoon Youngshin, Kim Juneho, Yi |
format |
Working Paper |
author |
Hyukjoon, Kwoon Youngshin, Kim Juneho, Yi |
author_sort |
Hyukjoon, Kwoon |
title |
Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
title_short |
Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
title_full |
Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
title_fullStr |
Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
title_full_unstemmed |
Projection image inpainting in X-ray CT using Relevant Neighbor Area (RNA) and Intersection of Confidence Intervals (ICI) |
title_sort |
projection image inpainting in x-ray ct using relevant neighbor area (rna) and intersection of confidence intervals (ici) |
publisher |
Institute of Electrical and Electronics Engineers (IEEE) |
publishDate |
2012 |
url |
http://dspace.unimap.edu.my/xmlui/handle/123456789/21350 |
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1643793357018759168 |
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13.19449 |