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Comparison of 2.3 & 5 mega pixel (MP) resolution monitors when detecting mammography image blurring

2016-07Conference object Open access
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dc.contributor.authorBorgen, R.
dc.contributor.authorMa, V.
dc.contributor.authorKelly, J.
dc.contributor.authorScragg, B.
dc.contributor.authorAspin, R.
dc.contributor.authorMillington, S.
dc.contributor.authorLança, Carla
dc.contributor.authorHogg, Peter
dc.date.accessioned2016-08-10T11:35:22Z
dc.date.available2016-08-10T11:35:22Z
dc.date.issued2016-07
dc.description.abstractBackground - Image blurring in Full Field Digital Mammography (FFDM) is reported to be a problem within many UK breast screening units resulting in significant proportion of technical repeats/recalls. Our study investigates monitors of differing pixel resolution, and whether there is a difference in blurring detection between a 2.3 MP technical review monitor and a 5MP standard reporting monitor. Methods - Simulation software was created to induce different magnitudes of blur on 20 artifact free FFDM screening images. 120 blurred and non-blurred images were randomized and displayed on the 2.3 and 5MP monitors; they were reviewed by 28 trained observers. Monitors were calibrated to the DICOM Grayscale Standard Display Function. T-test was used to determine whether significant differences exist in blurring detection between the monitors. Results - The blurring detection rate on the 2.3MP monitor for 0.2, 0.4, 0.6, 0.8 and 1 mm blur was 46, 59, 66, 77and 78% respectively; and on the 5MP monitor 44, 70, 83 , 96 and 98%. All the non-motion images were identified correctly. A statistical difference (p <0.01) in the blurring detection rate between the two monitors was demonstrated. Conclusions - Given the results of this study and knowing that monitors as low as 1 MP are used in clinical practice, we speculate that technical recall/repeat rates because of blurring could be reduced if higher resolution monitors are used for technical review at the time of imaging. Further work is needed to determine monitor minimum specification for visual blurring detection.pt_PT
dc.identifier.citationBorgen R, Ma V, Kelly J, Scragg B, Lança CC, Hogg P, et al. Comparison of 2.3 & 5 mega pixel (MP) resolution monitors when detecting mammography image blurring. In: Symposium Mammographicum, Arena & Convention Centre (ACC) Liverpool (United Kingdom), 3-5 July 2016.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/6349
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.relation.publisherversionhttp://www.conferencesympmamm.org.uk/pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/pt_PT
dc.subjectMammographypt_PT
dc.subjectImage qualitypt_PT
dc.subjectVisual blurring detectionpt_PT
dc.subjectBreast screeningpt_PT
dc.titleComparison of 2.3 & 5 mega pixel (MP) resolution monitors when detecting mammography image blurringpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceLiverpoolpt_PT
person.familyNameLança
person.givenNameCarla
person.identifier.ciencia-id601A-6412-BF2F
person.identifier.orcid0000-0001-9918-787X
rcaap.rightsopenAccesspt_PT
rcaap.typeconferenceObjectpt_PT
relation.isAuthorOfPublication0320b455-ee19-4670-8bf2-10dce9de1bec
relation.isAuthorOfPublication.latestForDiscovery0320b455-ee19-4670-8bf2-10dce9de1bec

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