ArticleScientific reports2025
Quantifying tracking quality during occlusion with an integrated gaze metric anchored to task performance.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
Visual tracking of moving objects, even when they are temporarily hidden from view, is a fundamental skill for humans. This study examines gaze behavior in an object tracking task with intermittent occlusions, highlighting the role of task goals. Participants tracked an object moving along a linear path with random occlusions, performing a visual discrimination task upon the object's brief reappearance. We analyzed gaze behavior and developed a model to quantify the relationship between gaze dynamics and task performance. The model yields a performance metric that takes into account the full gaze signal, i.e. both smooth pursuit and saccades. We introduce a position- and velocity-integrated tracking quality metric based on these gaze dynamics, providing an objective continuous measure of tracking performance that works also throughout occlusions.
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