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Diagnostic Accuracy and Visual Search Efficiency: Single 8 MP vs. Dual 5 MP Displays.

This study compared a single 8 MP vs. dual 5 MP displays for diagnostic accuracy, reading time, number of times the readers zoomed/panned images, and visual search. Six radiologists viewed 60 mammographic cases, once on each display. A sub-set of 15 cases was viewed in a secondary study using eye-tr...

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Publicado en:Journal of Digital Imaging Vol. 30; no. 2; pp. 144 - 148
Autor principal: Krupinski, Elizabeth
Formato: research tables/charts Journal Article
Publicado: Springer Nature Apr2017
Acceso en línea:Ver este registro en EBSCOhost
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      dt: Apr2017
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      pub: Springer Nature
      place: New York, New York
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        atl: Diagnostic Accuracy and Visual Search Efficiency: Single 8 MP vs. Dual 5 MP Displays.
      aug:
        au: Krupinski, Elizabeth
        affil: Department of Radiology & Imaging Sciences , Emory University , 1364 Clifton Rd NE Room D107 Atlanta 30322 USA
      sug:
        subj:
          Data Display
          Information Retrieval
          Diagnostic Imaging
          Mammography
          Breast Neoplasms
          Human
          Radiographic Image Enhancement
          Eye Movements
      ab: This study compared a single 8 MP vs. dual 5 MP displays for diagnostic accuracy, reading time, number of times the readers zoomed/panned images, and visual search. Six radiologists viewed 60 mammographic cases, once on each display. A sub-set of 15 cases was viewed in a secondary study using eye-tracking. For viewing time, there was significant difference ( F = 13.901, p = 0.0002), with 8 MP taking less time (62.04 vs. 68.99 s). There was no significant difference ( F = 0.254, p = 0.6145) in zoom/pan use (1.94 vs. 1.89). Total number of fixations was significantly ( F = 4.073, p = 0.0466) lower with 8 MP (134.47 vs. 154.29). Number of times readers scanned between images was significantly fewer ( F = 10.305, p = 0.0018) with 8 MP (6.83 vs. 8.22). Time to first fixate lesion did not differ ( F = 0.126, p = 0.7240). It did not take any longer to detect the lesion as a function of the display configuration. Total time spent on lesion did not differ ( F = 0.097, p = 0.7567) (8.59 vs. 8.39). Overall, the single 8 MP display yielded the same diagnostic accuracy as the dual 5 MP displays. The lower resolution did not appear to influence the readers' ability to detect and view the lesion details, as the eye-position study showed no differences in time to first fixate or total time on the lesions. Nor did the lower resolution result in significant differences in the amount of zooming and panning that the readers did while viewing the cases.
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      ougenre: Article
    language: English
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