datum profile 中文意思是什麼

datum profile 解釋
基準齒廓
  • datum : n. （pl. data ） 〈拉丁語〉1. 〈常 pl. 〉 數據，資料。2. 論據，作為論據的事實。3. 【數學】已知數。4. 【測】基點，基線，基面。
  • profile : n 1 剖面，半面，（雕像等的）側面；側面像。2 外形，輪廓；外觀，形象；型；【航空】翼型，翼（剖）面...
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面，採用二次規劃方法提取拉伸方向和旋轉軸線，然後將數據點投影以獲取草圖數據，通過柵格劃分提取草圖邊界輪廓數據，再對這些邊界數據進行基於特徵點的分割，以直線和圓弧段擬合出草圖輪廓。
  2. We scan photographs of tissue slices to get 2d data and then these data are classified and transfer into 3d data which are saved into database. we do geometric construction by contour connection algorithm and render the tissue using volume data based on surface. some algorithms used widely are compared in this article and implemented in the experimental system : simulating lost datum by linear interpolation, adjusting surface profile by twice bezier interpolation, dealing with some special normalized vector

    通過掃描輸入的人體組織的切片圖象，獲得組織的二維信息，再將這些二維數據經過分類和轉換，把它們轉換成對應的三維體數據，在數據庫中保存：然後採用contourconnection演算法進行幾何重構，用三角面進行等值面擬合，實現基於等值面的體數據的三維圖像繪制。
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