Contour Line Recognition From Scanned Topographic Maps
Transcription
Contour Line Recognition From Scanned Topographic Maps
Contour Line Recognition From Scanned Topographic Maps Spinello Salvatore Pascal Guitton LaBRI - INRIA Futurs Université Bordeaux 1 351 Cours de la Libération 33405 Talence Cedex, France LaBRI - INRIA Futurs Université Bordeaux 1 351 Cours de la Libération 33405 Talence Cedex, France [email protected] [email protected] ! " # # " $ % & %' ( ) * $ , * - !"#$$% & (.//$ 0" , + * $ $ ! " 1 " 2 3 ( # # 4 " 5 ! 6 % 78 9 : 9 1 9 2 93 ;< =:> - ;? =@> ;$=@> ;A==> 4 2 3 "#$$ % . - " ;"BB> 3 % ) < * ;%B3> $ "&' $$ % < 7 ? ' γ C'(' ) γ γ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β! 7 ( ? A , 8:3!8138BB= ;$=@> $ 6E A 7 6 % :52132!13=8B=@ ;$BF>A$," O<A 7 ?" * , % 6 " 35B8:51!8:@88BBF ;$B@> #$! , 81 $ $(A " ( ? "(?'B@:2=!:318BB@ ;D B@> 4D (<D)) " α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