體積守恆的變形模塑應用於腹腔鏡手術模擬

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莊智量(Chih-Liang Chuang ) 查詢紙本館藏

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資訊工程研究所

論文名稱

體積守恆的變形模塑應用於腹腔鏡手術模擬
(Volume-preserving Deformation Modeling for Laparoscopic Surgical Simulation)

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★ 外觀守恆及視點相關的多重解析度模塑	★ 腹腔鏡手術模擬系統中的流血特效

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摘要(中)

在本論文的研究中，我們提出體積守恆的變形模塑(volume-preserving free-from deformation modeling) 技術應用於腹腔鏡手術模擬系統中。我們所提出的系統包括下列五個部份: 即時的物理變形模塑、體積守恆的變形、力回饋、快速的碰撞偵測、及手術動作。為了使器官快速地變形，我們提出了混合式物理變形模塑 (hybrid physical-based deformation modeling)。雖然混合式物理變形模塑提供了快速和物理的變形，但變形後的體積並不守恆。因此我們結合了體積守恆變形模塑技術到混合式變形模塑中，使得變形後的體積能夠守恆，而有更逼真的視覺效果。為了在不同效能的電腦上都能有即時的變形效果，使用者可以藉由調整體積守恆的參數來達到即時的變形效果。

摘要(英)

In this paper, we propose a volume-preserving free-form deformation modeling technology for a laparoscopic surgery simulation system. The proposed system consists of five components: (i) real-time deformation, (ii) volume-preserving deformation, (iii) efficient collision detection, (iv) force feedback, and (v) surgical operations. In real-time deformation, the proposed hybrid physical-based deformation modeling technique (HPDM) was used to simulate the deformation of human organs. The HPDM exhibits high speed and physical deformation without preserving the volume of a model. The volume-preserving free-form deformation modeling technique was associated with the HPDM to preserve the volume of the deformed model for realistic visualization. To fit a real-time deformation on different-performance computation platforms, a user can adjust the parameters of volume-preserving free-form deformation.

關鍵字(中)

★ 混合式物理變形模塑
★ 腹腔鏡手術模擬
★ 自由框架變形模塑
★ 體積守恆變形模塑

關鍵字(英)

★ free-form deformation
★ hybrid physical-based deformation
★ laparoscopic surgical simulation
★ volume-preservi

論文目次

摘要I
誌謝II
目錄III
第一章緒論一
第二章相關研究二
第三章混合式物理變形模塑三
第四章體積守恆變形模塑四
第五章手術模擬環境的整合五
第六章實驗與討論六
第七章結論七
附錄英文版論文八

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指導教授

曾定章(Din-chang Tseng)

審核日期

2001-7-1

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