A Methodology for Real Time Scene Analysis

T h i s s h o r t pape r o u t l i n e s a me thodo logy f o r g e n e r a t i n g r e a s o n a b l e d e s c r i p t i o n s , i n r e a l t i m e , o f s i m p l e v i s u a l s i t u a t i o n s i n v o l v i n g one o r two mov ing o b j e c t s (Hogg 1 9 7 7 ) . An i m p l e m e n t a t i o n , based upon t h i s m e t h o d o l o g y , was c o n s t r u c t e d by the a u t h o r a t t h e U n i v e r s i t y o f Wes te rn O n t a r i o u s i n g a S p a t i a l Da ta camera sys tem d r i v e n by an I n t e r d a t e 7 /32 m i n i c o m p u t e r c o m m u n i c a t i n g w i t h a DECsystem-10. The c a p a b i l i t i e s o f t h i s w o r k i n g sys tem a r e i l l u s t r a t e d b y t h e f o l l o w i n g u n m o d i f i e d e x t r a c t f r o m t h e computer g e n e r a t e d d e s c r i p t i o n o f a n a c t u a l s c e n a r i o s e t i n t h e l a b o r a t o r y .