Picture algebra for interface with pictorial database systems

نویسندگان

  • B. S. Lin
  • Shi-Kuo Chang
چکیده

An i n t e g r a t e d approach f o r a p i c t o r i a l d a t a b a s e system i s proposed. It w i l l handle t h e n o n-p i c t o r i a l d a t a and p i c t o r i a l d a t a i n a uniform way i n order t o allow f o r g r e a t e r f l e x i b i l i t y f o r p i c t o r i a l information r e t r i e v a l. The d i s t i n c t i o n of l o g i c a l view and p h y s i c a l view o f p i c t u r e ob-j e c t s i s discussed. A p i c t u r e a l g e b r a i s defined t o manipulate t h e a r e a l p i c t u r e o b j e c t , l i n e a r p i c t u r e o b j e c t , p o i n t p i c t u r e o b j e c t , and even t h e combination of t h e s e p i c t u r e o b j e c t s. In a d d i t i o n physical zooming a s magnification of p i c t u r e ob-j e c t , l o g i c a l zooming technique i s more important t o navigate i n t o the d e t a i l e d d e s c r i p t i o n of t h i s p i c t u r e o b j e c t o r t o browsing among t h e s i t n i l a r p i c t u r e of t h e r e …

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تاریخ انتشار 1979