頭部自由運動状況下における三次元注視点推定と注視軌跡の可視化手法

抄録

Portability of an eye tracking system encourages us to develop a technique for estimating 3D point-of-regard. Unlike conventional methods, which estimate the position in the 2D image coordinates of the mounted camera, such a technique can represent richer gaze information of the human moving in the larger area. In this paper, we propose a method for estimating the 3D point-of-regard and a visualization technique of scanpath under natural head movements for the head-mounted device. We employ visual SLAM technique to estimate head pose and extract environmental information. Even in cases where the head moves dynamically, the proposed method could obtain 3D point-of-regard. Additionally, multiple scanpaths are appropriately overlaid on the scene camera image.