A caricature is an illustration of an object in which some features  are exaggerated. The term  feature exaggeration usually refers to an operation that relates  measures of a given object to those of a reference one. For example,  a small mouth, relates the size of a given mouth to its average  in a given population. The procedure we have in mind is one that emphasizes and extends such   discrepancies. 

An interesting question is what happens when there is   no reference population or an average to relate to. At the other end, it would be intriguing to design a caricaturization procedure that  would have the same effect on an articulated object which is not affected by  its pose, or posture.