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適用於紙模型重建之網格參數化技術(I)

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圖 1:系統流程圖。  3.1 網格邊界參數化  為了達到紙模型重建之目的,我們必須確保 攤平後的網格邊界之長度與三維網格上的長 度是一致的。目前已提出的網格參數化機制 多半是將內部頂點之參數座標最佳化以降低 攤平後的面積或角度誤差,此類方法並無法 保證網格邊界之長度固定。因此我們提出了 一套針對網格模型邊界之參數化機制。針對 三維網格模型之邊界,我們設定其邊界長度 為必須保持之限制,在參數化過程中設法降 低三維模型邊界上的頂點角度與攤平後之二 維平面上的角度差,透過解有限制之數值最 佳化方法求出三維網格模

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