發明
美國
10/370684
7,023,433
骨骼肌肉手術用體素模型建立方法
中原大學
2006/04/04
我們的容積模型術應用於視覺化及模擬等,以其線性的演算複雜度以近 似方式處理複雜形狀,使處理大量容積素也可達互動或即時速度等優 點,容積也常被應用於傳統實體模型的領域上。我們的容積模型術可操 作如傳統實體模型容易操作的動態位相及幾何操作。將其應用於骨骼肌 肉系統的手術模擬上。我們操作解剖結構的操作(如移動)可不受相鄰 容積素影響。而操作樣點的正確性,可讓手術模擬的結果得到高顯像品 質。我們可判斷加入新的邊界後是否可形成封閉。我們可操作兩容積物 體的集合演算及特殊的位相操作:如骨骼肌肉系統手術模擬的一些位相 操作,如解剖結構的擴充、縮減、非接觸融合等演算等。我們可將人工 關節的幾何資訊轉換成容積資料的方法,以模擬人工關節手術。 Our volume modeling (building and manipulating volumetric objects) has shown high potentiality not only in visualization and simulations but also in the areas that have been applied by conventional solid models such as CSG or B- rep models. The reasons are our volume models can achieve linear complexity, solve complex geometry problems. Our volume modeling can achieve dynamic topology and geometry operations among solids and surfaces and is feasible to apply to musculoskeletal surgeries. We claim :1. Normalizing a voxel. After the normalization, a sample point on the isosurface can be determined by only one voxel, not by a pair of neighboring voxels; an anatomic structure can be repositioned regarding its surrounding voxels.2. Checking the closures of intersections of surfaces with a solid.3. Boolean operations for volumetric objects. and topology operations for musculoskeletal surgeries. 4Converting prosthesis data as volume data to implement simulations of arthroplasty.
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