chapter  2
61 Pages

On the Specification of Form or how to Represent a Face that it may be Recognized

T h i s chapter reviews the h i s tory of efforts to define a form a n d to represent it i n the form of a quantitat ive express ion so that it can be u s e d either i n t h e o r y development or to manipulate s t imul i i n exper iments . T h e absence of a un iversa l means of represent ing b r o a d classes of forms w i t h a s ingle formular iza t ion remains one of the most important impediments to progress i n the scientif ic s tudy of b o t h h u m a n and c o m p u t e r f o r m recogni t ion . T h e deve lopment of a r igorous and unif ied representat ional sys tem w o u l d permit progress to be made i n answering m a n y of the quest ions a n d overc o m e m a n y of the obstacles encountered i n Chapter 1.