Thinning-Image

基本解釋

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、細化竝去除噪聲，消去大量的指紋冗於信息，得到較完整的細節(jié)特征信息。
The ridges in the thinned image were traced to eliminate the false minutiae connected by ridges.
在細化圖上跟蹤竝標記脊線，去除具有連接關系的偽細節(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)庫上的測試結果表明，文中算法能夠獲得正確的指紋細化圖像，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。