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Saccade Information Based Directional Heat Map Generation for Gaze Data Visualization
Yinwei ZHAN Yaodong LI Zhuo YANG Yao ZHAO Huaiyu WU
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2019/08/01
Online ISSN: 1745-1361
Type of Manuscript: LETTER
Category: Computer Graphics
eye tracking, gaze analysis, heat map, visualization,
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Heat map is an important tool for eye tracking data analysis and visualization. It is very intuitive to express the area watched by observer, but ignores saccade information that expresses gaze shift. Based on conventional heat map generation method, this paper presents a novel heat map generation method for eye tracking data. The proposed method introduces a mixed data structure of fixation points and saccades, and considers heat map deformation for saccade type data. The proposed method has advantages on indicating gaze transition direction while visualizing gaze region.