三維物品外形重建與貼圖之自動化研究

本文發展可對三維物體進行自動化外形重建和貼圖的整合系統。首先由數位相機取得數張物體影像，然後以邊緣檢測演算法計算出物體外形輪廓，再以體積交集法由物體的輪廓建立實體模型，接著由實體模型上的三角網格產生三維物體表面。其中建立物體實體模型和三角網格是利用AutoCAD軟體完成，最後利用3ds max軟體將由物體彩色影像結合而成的貼圖材質貼至三角網格上，完成建立具彩色表面之三維物體模型。本文發展一整合尋邊、建立實體模型與三角網格以及貼圖等技術之程式，使用此程式建立一般三維彩色表面之物體模型可獲得良好的結果。

關鍵字

體積交集法；邊緣檢測；材質貼圖

並列摘要

This thesis develops an integrated system for automatic shapes reconstruction and texture mapping of general 3D objects. First, several images of an object are taken from the digital camera, and silhouettes of object images are calculated by a general edge detection algorithm. Silhouettes of the object are used in establishing the solid model of the object by the volume intersection method. Then, the surfaces of the 3D object are generated from triangular meshes of the solid model. The AutoCAD software are used in generating the solid model and triangular meshes of the object. Finally, the texture mapping material, formed by combining color images of the object, are warped onto the triangular meshes to form the 3D color surface of the object model. The 3ds max software is used in the texture mapping operation. An integrated program written in Visual C++ language are developed for combining operations in finding silhouettes, generating solid models and triangular meshes, and mapping the texture material. The developed program is tested in establishing color surface models of general 3D objects, and good results are obtained.

並列關鍵字

edge detection ； volume intersection ； texture mapping

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