This paper presents a new class of surfaces that give two quite different appearances when they are seen from two special viewpoints.The inconsistent appearances can be perceived by simultaneously viewing them directl...This paper presents a new class of surfaces that give two quite different appearances when they are seen from two special viewpoints.The inconsistent appearances can be perceived by simultaneously viewing them directly and in a mirror.This phenomenon is a new type of optical illusion,and we have named it the"ambiguous cylinder illusion",because it is typically generated by cylindrical surfaces.We consider why this illusion arises,and we present a mathematical method for designing ambiguous cylinders.展开更多
基金Supported the Grant-in-Aid for Basic Scientific Research(No.24360039)Challenging Exploratory Research(No.15K12067)
文摘This paper presents a new class of surfaces that give two quite different appearances when they are seen from two special viewpoints.The inconsistent appearances can be perceived by simultaneously viewing them directly and in a mirror.This phenomenon is a new type of optical illusion,and we have named it the"ambiguous cylinder illusion",because it is typically generated by cylindrical surfaces.We consider why this illusion arises,and we present a mathematical method for designing ambiguous cylinders.
