perimeter area ratio 中文意思是什麼

perimeter area ratio 解釋
周界面積比
  • perimeter : n. 1. 【數學】周,周長;周邊。2. 周圍,周界線。3. 【光學】視野計。4. 【軍事】(軍營、工事、機場等的)環形防線[防禦帶]。
  • area : n. 1. 面積;平地;地面。2. 空地;〈英國〉地下室前的空地。3. 地區,地方;〈比喻〉區域;范圍。
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing

    本論文基於摩擦學原理和計算機技術,通過對鐵譜片進行數字化圖像預處理,採用對譜片圖像的平滑、濾波以及閾值二值分割等方法,計算出譜片中特徵磨粒的一些特徵參量,如面積、周長、粒度以及縱橫比等。
  2. Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment

    對感興趣區域內的目標自動測量參數,如:面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比,本系統具有性能穩定,開發成本低,技術性能價格比高的優點,成為國內醫務人員易於掌握與使用的醫學應用系統。
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