Improved total-variation noise-reduction technique with gradient method using iteration counter and its application in medical diagnostic chest and abdominal X-ray imaging
DC Field | Value | Language |
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dc.contributor.author | Lee, Youngjin | - |
dc.date.available | 2020-02-27T15:43:23Z | - |
dc.date.created | 2020-02-06 | - |
dc.date.issued | 2018 | - |
dc.identifier.issn | 0030-4026 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/5253 | - |
dc.description.abstract | The development of novel noise-reduction algorithms is one of the main research areas in the field of medical diagnostic X-ray imaging. The purpose of this study is to develop an improved total-variation (TV) noise-reduction technique using a gradient method that employs an iteration counter, and confirm its feasibility for applications in chest and abdominal X-ray imaging systems. We evaluated image qualities using contrast-to-noise ratio (CNR) and relative standard deviation (RSD) calculations with the proposed and conventional noise-reduction algorithms for both chest and abdominal X-ray images. The results of the quantitative CNR and RSD evaluations demonstrated the superiority of the proposed TV noise-reduction technique over other algorithms; in particular, the comparison between the conventional and proposed TV techniques revealed that the proposed method has improved noise-reduction characteristics in all cases. In conclusion, the results demonstrated that the improved TV noise-reduction technique with the gradient method using the iteration counter can be used to acquire images with a better quality than those of conventional algorithms. This can lead to lowering of the radiation dose in chest and abdominal X-ray imaging systems. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER GMBH, URBAN & FISCHER VERLAG | - |
dc.relation.isPartOf | OPTIK | - |
dc.subject | DETECTORS | - |
dc.subject | SYSTEM | - |
dc.title | Improved total-variation noise-reduction technique with gradient method using iteration counter and its application in medical diagnostic chest and abdominal X-ray imaging | - |
dc.type | Article | - |
dc.type.rims | ART | - |
dc.description.journalClass | 1 | - |
dc.identifier.wosid | 000440882500058 | - |
dc.identifier.doi | 10.1016/j.ijleo.2018.06.004 | - |
dc.identifier.bibliographicCitation | OPTIK, v.170, pp.475 - 483 | - |
dc.identifier.scopusid | 2-s2.0-85048099604 | - |
dc.citation.endPage | 483 | - |
dc.citation.startPage | 475 | - |
dc.citation.title | OPTIK | - |
dc.citation.volume | 170 | - |
dc.contributor.affiliatedAuthor | Lee, Youngjin | - |
dc.type.docType | Article | - |
dc.subject.keywordAuthor | Noise-reduction technique | - |
dc.subject.keywordAuthor | Total-variation approach | - |
dc.subject.keywordAuthor | Improved total-variation with gradient method | - |
dc.subject.keywordAuthor | Quantitative evaluation of image performance | - |
dc.subject.keywordAuthor | Diagnostic X-ray imaging | - |
dc.subject.keywordPlus | DETECTORS | - |
dc.subject.keywordPlus | SYSTEM | - |
dc.relation.journalResearchArea | Optics | - |
dc.relation.journalWebOfScienceCategory | Optics | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
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