Kristien Ooms

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Conventional analyses on eye movement data only take into account eye movement metrics, such as the number or the duration of fixations and length of the scanpaths, on which statistical analysis is performed for detecting significant differences. However, the spatial dimension in the eye movements is neglected, which is an essential element when(More)
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Interpreting maps through the eyes of expert and novice users Kristien Ooms a , Philippe De Maeyer a , Veerle Fack b , Eva Van Assche c & Frank Witlox a a Department of Geography, Ghent University, Ghent, Belgium b Department of Applied Mathematics and Computer Science, Ghent University, Ghent, Belgium c Department of Experimental Psychology, Ghent(More)
User evaluations of interactive and dynamic applications face various challenges related to the active nature of these displays. For example, users can often zoom and pan on digital products, and these interactions cause changes in the extent and/or level of detail of the stimulus. Therefore, in eye tracking studies, when a user's gaze is at a particular(More)
The detection of indoor landmarks remains a troublesome endeavour. The rise of more performant and user-friendly mobile eye tracking devices might offer a solution. A small-scale study was conducted in which a test population was given a navigational task and whereby eye movement measures and think aloud protocols were compared. The first results indicate(More)
Fifty years after the last report of Mycobacterium ulcerans infections (Buruli ulcer [BU]) in Kasongo Territory, Maniema Province, Democratic Republic of Congo (DRC), we conducted a small-scale cross-sectional survey to assess if this historical BU focus was still active and if so to explore the disease epidemiology. Seventy-five active and inactive BU(More)
In this study, we analyse how well saliency maps, which are theoretical predictions of the human viewing pattern, are correlated with human focus maps, obtained by tracking 42 observer’s eyes while freeviewing landscape photographs ranging from rural to urban environments. The Pearson’s correlation coefficient was calculated on the predicted and measured(More)
Recently, a rising need to understand (novice) users of digital cartographic products has surfaced: how do they interpret and process the visual information, and how is this retrieved and used later on? A user study was conducted that combined several techniques to investigate these cognitive processes: eye tracking, thinking aloud and sketch maps. In(More)