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A model of saccade mechanism based on occlusion detection and depth estimation processes

We measured binocular eye movements to analyze how the human visual system worked in the situation of gazing at an object when occlusion was occured. We obtained the following results. First, a mechanism which detects occlusion situations is implemented in an early stage of visual processing. Second, the distribution of gazing positions in 3D space changes depending on visual cues, and reflects the depth perception. Based on these results, we propose a model of saccade mechanism based on the occlusion detection by matching binocular retinal images in an early stage of visual processing and depth estimation processes.