Gaze-based Object Detection in the Wild
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In human-robot collaboration, one challenging task is to teach a robot new yet unknown objects. Thereby, gaze can contain valuable information. We investigate if it is possible to detect objects (object or no object) from gaze data and determine their bounding box parameters. For this purpose, we explore different sizes of temporal windows, which serve as a basis for the computation of heatmaps, i.e., the spatial distribution of the gaze data. Additionally, we analyze different grid sizes of these heatmaps, and various machine learning techniques are applied. To generate the data, we conducted a small study with five subjects who could move freely and thus, turn towards arbitrary objects. This way, we chose a scenario for our data collection that is as realistic as possible. Since the subjects move while facing objects, the heatmaps also contain gaze data trajectories, complicating the detection and parameter regression.
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