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頁籤選單縮合
題 名 | Almost Automatic Method for Reconstruction 3D Geometric Model of the Left Ventricle from 3D + 1D Precordial Echocardiogram=高自動化建立3D+1D前胸超音波影像之左心室3D幾何模型 |
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作 者 | 荊宇泰; 劉于翔; 張純良; 陳世杰; | 書刊名 | Journal of Medical and Biological Engineering |
卷 期 | 21:2 2001.06[民90.06] |
頁 次 | 頁127-133 |
分類號 | 415.3024 |
關鍵詞 | 心臟超音波; 3D幾何模型; 左心室; 蛇形變形模型; 圖形演算法; Echocardiogram; 3D geometric model; Left ventricle; Snake model; α-shape; Graph algorithm; |
語 文 | 英文(English) |
中文摘要 | 不論對醫師或病人,前胸心臟超音波是診斷心臟疾病最方便的方法。時下3D+1D心臟超音波已日漸普遍。3D+1D心臟超音波可以提供許多重要訊息供醫師做診斷,例如左心室的ejection fraction或心臟壁運動。然而要得到這些訊息必須先做左心室的辨識及截取。3D+1D心臟超音波包含大量的影像,因此在辨識截取左心室時不可以依靠太多的人工幫忙。本文提出一個自動化程度極高的方法來截取左心室。其中包括心臟內壁的計算以及當僧帽瓣全開時將心房及心室分開的方法。在絕大部分情況下,本方法只需要左心室中的一點。 |
英文摘要 | Echocardiography is the most convenient means for both physicians and patients for heart disease diagnosis. The 3D+1D echocardiogram provides important information for evaluation of the 3D heart function such as the ejection fraction or the wall motion. The most basic task to evaluate such functions of a heart is to segment the left ventricles and reconstruct the 3D geometric model of left ventricle from a set of echocardiographic images. Since there are many images involved, the method should not need too many user assists. In this work, we design a method for reconstructing the left ventricles with very few user assists. |
本系統中英文摘要資訊取自各篇刊載內容。