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Slide navigation patterns among pathologists with long experience of digital review

Jesper Molin (Institutionen för tillämpad informationsteknologi, Interaktionsdesign (Chalmers)) ; Morten Fjeld (Institutionen för tillämpad informationsteknologi, Interaktionsdesign (Chalmers)) ; Claudia Mello-Thoms ; Claes Lundström
Histopathology (0309-0167). Vol. 67 (2015), 2, p. 185-192.
[Artikel, refereegranskad vetenskaplig]

Aims: In order to develop efficient digital pathology workstations, we studied the navigation patterns of pathologists diagnosing whole-slide images. To gain a better understanding of these patterns, we built a conceptual model based on observations. We also determined whether or not new navigation patterns have emerged among pathologists with extensive digital experience. Methods and results: Five pathologists were asked to diagnose a set of four cases while thinking out loud. The navigation within the digital slides was recorded and divided into re-occurring navigation actions. The pathologists reused the same type of actions, but their occurrence differed. The most common action was a slow panning that followed an edge structure or covered an area systematically, which accounted for 30.2% of all actions and had a median duration of 7.2 s. Of all the actions, 49% were carried out within the navigation overview and 38% of the actions could not have been performed with a conventional microscope. Conclusions: The new navigation possibilities in the digital workstation were used to a large extent. The division of actions into different concepts can be used to find and prioritize between existing user interface designs as well as to understand the different navigation styles used by different pathologists.

Nyckelord: classification of movement, digital pathology, multiscale navigation, useability



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Denna post skapades 2015-04-27. Senast ändrad 2016-10-28.
CPL Pubid: 215812

 

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