. dan bai zhi zu xue cong xu lie dao gong neng. botany. 第å -ç« äºç»´åè¶çµæ³³çå¾ååæ 111 å³äºæ©å¤§æç¹ä¸-å¿å ææåç´ çå å¯åº¦ä¹åã å ¶ä»è¿è¡æç¹æ£æµçæ¹æ³åºäºè½¬ååç线ï¼Watershed transformation, WST) (Bettens et al., 1997ï¼ Meyer and Beucher, 1990; Pleissner et al., 1999; Vincent, 1993; Wegner et al. ã 1998)ãå°åæ°´å²-è¿ä¸å°çå-¦çåçåºç¨äºå¾åï¼ç°åº¦å¾ç被认为æ¯æææ ·å°è²ï¼ ç±æ°å¼ä»£è¡¨çæä¸ç¹çåé«ãå¨è®¡ç®ç®æ³ä¸-ï¼æ们ç解éæ¯ä¸ç§æµ¸å ¥è¿ç¨ãè¿å¯ä»¥å设 为å¨å°è²çæ¯ä¸ªæå°åºåè¿è¡é»å-ï¼å¹¶ä¸å°è¡¨é¢æµ¸å ¥æ¹æ³ä¸-ï¼å¹¶ç¡®ä¿å¨å±±è°·ä¸-ææç°åº¦æ°´ 平峰å¼æä¸ä¸ªæå®çæ°´å¹³é¢ãä»æä½æµ·æå¼å§ï¼æ°´å°å 满ä¸åç山谷ãå¨è¿

. dan bai zhi zu xue cong xu lie dao gong neng. botany. 第å -ç« äºç»´åè¶çµæ³³çå¾ååæ 111 å³äºæ©å¤§æç¹ä¸-å¿å ææåç´ çå å¯åº¦ä¹åã å ¶ä»è¿è¡æç¹æ£æµçæ¹æ³åºäºè½¬ååç线ï¼Watershed transformation, WST) (Bettens et al., 1997ï¼ Meyer and Beucher, 1990; Pleissner et al., 1999; Vincent, 1993; Wegner et al. ã 1998)ãå°åæ°´å²-è¿ä¸å°çå-¦çåçåºç¨äºå¾åï¼ç°åº¦å¾ç被认为æ¯æææ ·å°è²ï¼ ç±æ°å¼ä»£è¡¨çæä¸ç¹çåé«ãå¨è®¡ç®ç®æ³ä¸-ï¼æ们ç解éæ¯ä¸ç§æµ¸å ¥è¿ç¨ãè¿å¯ä»¥å设 为å¨å°è²çæ¯ä¸ªæå°åºåè¿è¡é»å-ï¼å¹¶ä¸å°è¡¨é¢æµ¸å ¥æ¹æ³ä¸-ï¼å¹¶ç¡®ä¿å¨å±±è°·ä¸-ææç°åº¦æ°´ 平峰å¼æä¸ä¸ªæå®çæ°´å¹³é¢ãä»æä½æµ·æå¼å§ï¼æ°´å°å 满ä¸åç山谷ãå¨è¿ä¸ªæµ¸å ¥è¿ç¨ ç»æçæ¶åï¼æ¯ä¸ä¸ªæå°å¼å®å ¨è¢«åæ°´å²-æå å´ï¼ä»¥åçç¸å ³ç山谷ãè¿å±±è°·ç¸å¯¹åºçåº åï¼ä¹å°±æ¯åæ°´å²-å®ä¹æä¸å¾åçæ佳轮å»ãå¨å¾åä¸-ç¨æ¥è¿è¡æ¢¯åº¦åå²çåæ°´å²-å¿ é¡» 以å°è²æ¥è§£éãå设å¾åä¸-åä¸çåºå以ä½å¯¹æ¯åº¦ï¼å³ä½æ¢¯åº¦ä¸ºç¹å¾ï¼åä¹æ¢¯åº¦å¾åçé« æ°å¼æ¯ç±åå§å¾åé«å¯¹æ¯åº¦çè½®å»äº§çãè¿äºåºåå¯ä»¥å©ç¨WSTå¨æ¢¯åº¦å¾åä¸äº§çã éåï¼æ¯ä¸åºåæ¯ä»¥å®æä¸ä¸ªé©¬èµå å¾åçç¹å¾æ¥æè¿°ãæéæ©çç¹å¾åºè¯¥ä¸åå§å¾å çç°åº¦æ°´å¹³ä¸è´ï¼ä¾å¦åå§å¾åä¸åºåç°åº¦å¼çå¹³åå¼ã ' WST产çå°é-çè½®å»ãæ¯ä¸ä¸ªæå°å¼ï¼å³°åºï¼æç»ä¸ä¸ªç±å±é¨æé«ç¹ï¼æ±æµï¼æå´æ çåºåãè¿