Create self-moving objects using hollow-face illusion

This paper presents a novel approach for creat- ing self-moving objects using hollow-face illusion. Given a clip of character animation, our approach generates a static object. Looking at the object at different views, a similar deformation can be observed. To accomplish this challeng- ing mission, we give qualitative and quantitative analysis of hollow-face illusion. Methodology in computer vision and human perception are utilized to design the algorithm. A static object is first generated to satisfy the relative mo- tion illusion constraints. The illusion is then strengthened by back projecting the object to the 3D face space. Consider- ing both "bottom-up" visual signal and "top-down" knowl- edge, the intended illusion can be generated. Experiments have shown the effectiveness of our algorithm. For example, expression varying illusion on an oil painting can be created