節距變換 的英文怎麼說
中文拼音 [jiéjùbiànhuàn]
節距變換
英文
pitch change-
In this paper, two parts of the body leg and head are tracked. the lower limb is tracked using geometric characteristics, the original image sequence is first transformed to the distance image sequence, and then the four joints of the leg are tracked on the distance image sequence. based on visual perception, the head is tracked using color information of face and matching is proceeded from coarse to fine matching, fuzzy pattern recognition is also applied during fine matching
論文中，跟蹤了兩個局部部位腿部和頭部的運動，利用人體腿部的幾何特徵，將原始腿部圖像序列變換到相應的距離圖像上，然後對人體腿部的四個關節點運動進行了跟蹤；根據人類視覺識別特性，採用由粗到細的匹配過程和基於面部的色彩信息對圖像中的頭部進行了檢測，並且在細致匹配中利用了模糊模式匹配方法。According to the virtual endoscopy automatic navigation, using the two - distance field - based 3d center path finding algorithm to find the path, adopting the cylindrical approximation of tubular organs to replace the center path by several approximate cylinders, while using distance transformation that is substituted by euclidean distance to calculate the approximate cylinder ' s axis and radius, the algorithm can save much time
摘要針對虛擬內窺鏡自動漫遊技術，利用基於雙距離場的三維中心路徑提取演算法進行路徑提取，採用管狀器官的圓柱狀近似，將中心路徑用多個近似的圓柱體代替，用距離變換代替歐式距離公式計算近似圓柱體的軸和半徑，節省了大量的計算時間。
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