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Human visual system can perceive 3D illusory object from the visual stimuli of disparity given by some inducing objects arranged with suitable relations. In this paper, we will introduce the visual effect in two kinds of arrangement with occlusion and sustaining relationship between the illusory object and inducing objects. In the former case, we name the inducing objects which provide the stimuli as occlusion cues, and classify them in two types: contour occlusion cues and bulky occlusion cues. In the later case, those inducing objects are named sustaining cues. A 3D transparent illusory object is perceived, just like we can imagine the scenes from the actions and positions of the pantomimists, so we call this visual effect as Pantomime Effect. According to the positions of sustaining cues, we found that sustaining cues played different actions in pantomime effect perception, and classified them into three types: front sustaining cues, side sustaining cues and back sustaining cues. It is also found that this effect was closely related to occlusion cues; especially pantomime effect by front sustaining cues can be regarded as a kind of bulky occlusion in opaque object perception.
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