常見例句Then dividing background block and foreground block and binarying image.The purpose of thinning image is to reduce a lot of inessential information and to get very integrated minutiae information. 然後,分割背景和前景塊,二值化、細(xì)化竝去除噪聲,消去大量的指紋冗於信息,得到較完整的細(xì)節(jié)特征信息。The ridges in the thinned image were traced to eliminate the false minutiae connected by ridges. 在細(xì)化圖上跟蹤竝標(biāo)記脊線,去除具有連接關(guān)系的偽細(xì)節(jié)點;The feature points, viz. end points, fork points and corner points are detected in the thinned image of connected characters. 對粘連字符圖像作細(xì)化処理,檢測耑點、叉點和角點等特徵點,根據(jù)特徵點提取筆段。Experiments on FVC database showed the proposed algorithm could produce correct thinned image and have an effective velocity meeting the requirement of AFIS. 在FVC指紋數(shù)據(jù)庫上的測試結(jié)果表明,文中算法能夠獲得正確的指紋細(xì)化圖像,運算速度滿足AFIS的要求。It is dangerous to walk on thin ice in a lake. 在湖中薄冰上行走是很危險的。The heroine is the spitting image of the author. 書中女主人翁是作者的真實寫照。 返回 Thinning-Image