基于数学形态学的矿图扫描图像文字和符号的自动分离.PDFVIP

第 28 卷　第 3 期 测　绘　学　报 . 28, . 3 V o l N o 　1999 年 8 月 A CTA GEODA E T ICA et CA R TO GRA PH ICA S IN ICA A u g. , 1999 基于数学形态学的矿图扫描图像文字和 符号的自动分离 盛业华　郭达志　杜培军 ( 中国矿业大学, 江苏徐州, 22 1008) A utoma ted Separa t ion of Texts an d Sym bols f rom Scann ed M in in g M ap Ba sed on M a thema t ica l M orphology Sh en g Y ehu a, Guo D azh i, D u P eijun (Ch ina U n iv ers ity of M in ing T echnology , X uz h ou , J iang su , 22 1008) A bstract　 It is th e fun dam en ta l requ irem en t o f d ig it izat ion an d recogn it ion from scann ed m in ing m ap s to . , sep arate tex t s an d sym bo ls from lin ear featu re s B a sed upon th e p r in cip le s o f m ath em at ica l m o rp ho logy a se r ie s o f m o rp ho log ica l t ran sfo rm ing m ode ls are con st ru cted in term s o f th e grap h ica l an d topo log ica l ch aracter . , , ist ics o f tex t s an d sym bo ls W ith th e se m ode ls tex t s an d sym bo ls w ith d ifferen t size o r ien tat ion an d ar rang ing typ e can b e au tom at ica lly de leted from th e scann ed im age th rou gh step by step p roce ssing, an d tw o sep a . rated im age s co r re spon d ing to lin ear featu re s an d tex t s sym bo ls can b e ob ta in ed T h e m ode ls ar